Nov 23, 2021 · Signs of allergic reactions range from mild to severe and may occur immediately after taking the antibiotic (anaphylaxis) or later on. During an allergic reaction, dogs may experience one or more of the following signs: Swelling of face or muzzle. Skin rash or hives. Difficulty breathing. Aug 1, 2023 · Ciprofloxacin may cause diarrhea, and in some cases it can be severe. It may occur 2 months or more after you or your child stop taking this medicine. Do not take any medicine to treat diarrhea without first checking with your doctor. Diarrhea medicines may make the diarrhea worse or make it last longer. Sep 1, 2023 · Bright red blood coming from the rectum: This most commonly appears during a bowel movement or right after. Pressure or discomfort in the rectum; Black or maroon stools: If the blood is coming from higher up in the intestine contained within the stools, the stools will appear black or maroon in color.Duration of symptoms Antibiotics & black stool. countryrose. I am wondering if anyone else gets black stool after treatment with antibiotics (cipro, zithromax). I took these for a mild UTI, and I had severe constipation too. Yesterday, my stool had normal texture, but it was almost black. I did take acidophilous during the antibiotic treatment.So, I have had to take antibiotics quite often to fight this infections. One of the side effects could be loose stomach or constipation, that could last up to six months after taking the antibiotic. So her doctor is right: it will take care of itself with time. Just eat healthy and be patient.Welcome to the gastroenterology community! Antibiotics often have diarrhea as a side effect, or this could be something like C Diff. However the black stool is concerning and this would make me think this is more likely to be C Diff. I would recommend seeing your doctor about this. Helpful - 0.Apr 16, 2020 · Yes: About one third of the solid matter in stool is dead bacteria. Also, the actions of bacteria on bilirubin influences the color of stool. We have trillions of bacteria in our intestines and antibiotics kill many of these bacteria, influencing the color of our stool. I advise taking probiotic supplements both during and after taking ... I’m 38 and have this exact symptom. Sometimes blood droplets in the bowl, sometimes just blood on the tp after wiping. Has been going on for about 5 years. Comes and goes. Sometimes can go a year or more with no sign of blood, then it happens for a month, then disappears. Figured it was fissures/hemaroids from abnormally hard stool due to a ...Feb 25, 2015 · Nancy C. Caralla, Founder & Executive Director of the C Diff Foundation. Nancy C. Caralla is a three time C. difficile infection survivor who has 23 years’ experience in the nursing profession blended with over 25 years experience in international construction management. Over the past two years, Nancy in partnership with Foundation members ... This is known as gastritis. This can cause oozing of blood from the stomach which in turn can cause the stool to turn black. Now since you have been using the antibiotic for the last 5 days, it is likely that you are experiencing side effects related to the stomach which is leading to bleeding into the stool.Advertisement. After taking antibiotics, it is important to take probiotics and eat the proper foods to prevent gastrointestinal upset and help restore gut flora. A course of antibiotics can upset the delicate flora in your gut because they destroy both the bad and good bacteria. Foods like plain yogurt, bananas, and whole-grain cereals help to ...Stomach cramps with antibiotics are not uncommon (the antibiotics make the muscles of the intestine move more quickly, and can cause loose stool as well). However, fever and itching can be a sign of an allergy. It is possible to develop an allergy at any time in your life, even to an antibiotic you have taken before.This effect is normal, and does not mean there is blood in your poop. The phenomenon occurs when iron that has not been absorbed in your gut mixes with the microbiome in your digestive tract, causing your stool to turn a black color. While black-looking stool is common with iron supplements, black and tarry stool is not.Watery diarrhea. Stomach cramps, pain or tenderness. Fever. Pus or mucus in the stool. Nausea. Dehydration. Symptoms of pseudomembranous colitis can begin as soon as 1 to 2 days after you start taking an antibiotic, or as long as several months or longer after you finish taking the antibiotic.Hemorrhoids are most likely the cause of the rectal bleeding. You can have external hemorrhoids or internal ones. Bright red blood is suggestive of hemorrhoids and dark red blood suggests colon polyps, cancer, peptic ulcers, etc. Rectal bleeding is never normal and should always be medically invesgtigated. May 10, 2019 · Comments for Dog’s recurring diarrhea after multiple antibiotics treatments. For Max to have suffered for so long with diarrhea, which I suspect is from colitis, (inflammation of the colon), it was probably triggered by a reaction to vaccines. Irritable or Inflammatory Bowel Disease can be immune mediated, secondary to ‘vaccinosis’. Black, tarry feces can also be a sign of intestinal bleeding or bleeding from the stomach. Straining during bowel movements can also lead to inflammation of the rectum and anus, and blood in the stool. That said, sometimes your dogs stool may be red from something hes eaten that has red dye.Among the more common side effects for amoxicillin (Amoxil) are: diarrhea. stomach upset. headache. abnormal taste sense. skin rash. vaginal yeast infection. Less common side effects include ...Jan 8, 2022 · This is a simple test that your pediatrician should be able to do in their office (stool guaiac test). If the stool test doesn't show any blood in the red stools, then you can likely continue the Omnicef. Since Omnicef is becoming more widely used because of its good taste, once a day dosing, and effectiveness against stubborn ear infections ... Colitis. Colitis means inflammation in your colon, where digested food becomes poop. Inflammation in your colon can make your poop more urgent, painful, runny or bloody. You can get temporary colitis from an infection. Some people have chronic colitis. Symptoms and Causes. Diagnosis and Tests. Management and Treatment.Oct 21, 2021 · If you suspect your dog has AHDS, take them to the vet immediately. Symptoms of Gastroenteritis in Dogs . Take your dog to the emergency vet if you see the signs of AHDS: Sudden onset of bloody diarrhea with no known cause, such as a change in diet. Vomiting, with or without blood. Lethargy (moving slowly, sluggish) Apr 19, 2019 · Many antibiotics cause stomach upset or other gastrointestinal side effects. These can include: nausea. vomiting. cramps. diarrhea. Macrolide antibiotics, cephalosporins, penicillins, and ... Takeaway. Black stool can result when a person eats certain foods, such as licorice or takes iron supplements. Black, tarry stools are usually a sign of gastrointestinal bleeding, due, for ...Yes: About one third of the solid matter in stool is dead bacteria. Also, the actions of bacteria on bilirubin influences the color of stool. We have trillions of bacteria in our intestines and antibiotics kill many of these bacteria, influencing the color of our stool. I advise taking probiotic supplements both during and after taking ...A blood test. A blood test can identify infections and other conditions that may cause proctitis. It can also indicate blood loss or an excess of white blood cells. A stool test. A healthcare provider may test a sample of your poop for evidence of infection, bleeding or an excess of white blood cells. A rectal culture. For this test, a ... Aug 12, 2023 · This effect is normal, and does not mean there is blood in your poop. The phenomenon occurs when iron that has not been absorbed in your gut mixes with the microbiome in your digestive tract, causing your stool to turn a black color. While black-looking stool is common with iron supplements, black and tarry stool is not. Ciprofloxacin may cause diarrhea, and in some cases it can be severe. It may occur 2 months or more after you or your child stop taking this medicine. Do not take any medicine to treat diarrhea without first checking with your doctor. Diarrhea medicines may make the diarrhea worse or make it last longer.This section lists a few of the possible reasons. 1. Viral or bacterial illnesses. Viral or bacterial infections and parasitic infections can affect digestion and cause foul-smelling stool or ...Feb 8, 2023 · Infectious colitis. Infectious colitis is an infection of the colon caused by bacteria, viruses, or parasites. The inflammation can cause bloody and/or mucousy diarrhea. Other possible symptoms include: Fever. The feeling that you need to pass stools when your bowels are already empty. Abdominal pain. Pediatric. Doxycycline may cause permanent discoloration of the teeth and slow down the growth of bones. This medicine should not be given to children 8 years of age and younger (except for the treatment of exposure to inhalational anthrax or rickettsia infection), unless directed by the child's doctor. Geriatric.When in doubt, always consult your veterinarian. There are many reasons why a dog may develop loose stools, but most of the time, dog diarrhea is caused by: Dietary indiscretion: Eating too much ...Some drugs, like the antibiotic penicillin or the cancer drug cyclophosphamide, can cause blood in your urine. It also might happen if you take medications like aspirin or the blood thinner ...1. Hemorrhoids Hemorrhoids are inflamed anal blood vessels. They may develop on the outside or inside of the anus, appearing as small bumps that could occasionally bleed during bowel movements or...Check with your doctor immediately if any of the following side effects occur: bloating or swelling of the face, arms, hands, lower legs, or feet. bloody or cloudy urine. difficult, burning, or painful urination. numbness or tingling in the hands, feet, or lips. unusual tiredness or weakness.This effect is normal, and does not mean there is blood in your poop. The phenomenon occurs when iron that has not been absorbed in your gut mixes with the microbiome in your digestive tract, causing your stool to turn a black color. While black-looking stool is common with iron supplements, black and tarry stool is not.Colitis. Colitis means inflammation in your colon, where digested food becomes poop. Inflammation in your colon can make your poop more urgent, painful, runny or bloody. You can get temporary colitis from an infection. Some people have chronic colitis. Symptoms and Causes. Diagnosis and Tests. Management and Treatment. Check with your doctor immediately if any of the following side effects occur: bloating or swelling of the face, arms, hands, lower legs, or feet. bloody or cloudy urine. difficult, burning, or painful urination. numbness or tingling in the hands, feet, or lips. unusual tiredness or weakness.Aug 1, 2023 · Pediatric. Doxycycline may cause permanent discoloration of the teeth and slow down the growth of bones. This medicine should not be given to children 8 years of age and younger (except for the treatment of exposure to inhalational anthrax or rickettsia infection), unless directed by the child's doctor. Geriatric. Blood in urine: You may have blood in the urine for several days if you have a bladder infection. It is important to see if it is decreasing on antibiotics (A). If it... Read More. Created for people with ongoing healthcare needs but benefits everyone. Learn how we can help.Secondary Constipation. People often experience some form of digestive distress after taking oral medications such as blood-pressure drugs, anticholinergics, opioids, antispasmodics, antacids, and antibiotics. Some of these drugs hamper the nerve and muscle function in the large intestine, while others disrupt the gut flora.diarrhea, watery and severe, which may also be bloody. difficulty with swallowing. dizziness. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position. dry mouth. fast heartbeat. fever with or without chills. general feeling of tiredness or weakness. headache.Treatment usually involves taking antibiotics for 4 to 12 weeks. This type of prostatitis is hard to treat and the infection may come back. If antibiotics don’t work in 4 to 12 weeks, you may need to take a low dose of antibiotics for a while. Rarely, you may need surgery to remove part or all of the prostate. A burning sensation around the anus is an uncomfortable symptom that can have many different causes, such as hemorrhoids, anal tears, or irritation from traces of stool. Anal burning and itching can be painful and interfere with work or daily activities. It occurs in up to 5% of the population, affects men more than women, and is more commonly ...Until 2 months of age, they may pass a stool after each feeding. But, if stools suddenly increase in number and looseness, suspect diarrhea. If it lasts for 3 or more stools, the baby has diarrhea. If the stools contain mucus, blood or smell bad, this points to diarrhea. Other clues to diarrhea are poor eating, acting sick, or a fever.Treatment. Generally speaking, antibiotic-associated diarrhea will improve once the course of antibiotics is completed. Sometimes it may be necessary to switch to another antibiotic if the symptoms are intolerable. To prevent dehydration, drink plenty of water (around eight to ten 8-ounce glasses per day) with an occasional sports drink to ...1. Hemorrhoids Hemorrhoids are inflamed anal blood vessels. They may develop on the outside or inside of the anus, appearing as small bumps that could occasionally bleed during bowel movements or...Antibiotics & black stool. countryrose. I am wondering if anyone else gets black stool after treatment with antibiotics (cipro, zithromax). I took these for a mild UTI, and I had severe constipation too. Yesterday, my stool had normal texture, but it was almost black. I did take acidophilous during the antibiotic treatment.Nov 28, 2022 · Some drugs, like the antibiotic penicillin or the cancer drug cyclophosphamide, can cause blood in your urine. It also might happen if you take medications like aspirin or the blood thinner ... Nancy C. Caralla, Founder & Executive Director of the C Diff Foundation. Nancy C. Caralla is a three time C. difficile infection survivor who has 23 years’ experience in the nursing profession blended with over 25 years experience in international construction management. Over the past two years, Nancy in partnership with Foundation members ...Mar 30, 2022 · Over time, these pouches can push through your bowel wall, causing rectal bleeding, abdominal pain, and a change in bowel habits. The first-line treatment for diverticulitis is antibiotics; however, more severe cases may need IV antibiotics or fluids. Anal Fissures. Anal fissures can also cause bright red blood in the stool. Be especially careful to replenish your beneficial gut bacteria after a course of antibiotics (read my article about 3 things you should do after taking antibiotics). If probiotic food doesn’t do it for you, get a good probiotic supplement. Drink lots of water and stay hydrated. Exercise daily. Here is a short video on what your poop says ...Jan 8, 2022 · This is a simple test that your pediatrician should be able to do in their office (stool guaiac test). If the stool test doesn't show any blood in the red stools, then you can likely continue the Omnicef. Since Omnicef is becoming more widely used because of its good taste, once a day dosing, and effectiveness against stubborn ear infections ... Rectal Bleeding What is rectal bleeding? Looking down into a toilet and seeing blood in your stool (poop) can be alarming. Your mind might go to many places as warning bells ring that something’s wrong. Rectal bleeding is a symptom of many different conditions, some more serious than others.May 1, 2023 · Blood in or on the stools. Change in bowel habits (pooping more or less frequently) Constipation. Diarrhea. Fatigue. Growths in the anal canal. Pain, irritation, or itching in the anal area. Unintended weight loss. Treatments for colon and rectal cancer can include surgery, radiation, chemotherapy, or immunotherapy. Treatment usually involves taking antibiotics for 4 to 12 weeks. This type of prostatitis is hard to treat and the infection may come back. If antibiotics don’t work in 4 to 12 weeks, you may need to take a low dose of antibiotics for a while. Rarely, you may need surgery to remove part or all of the prostate.Rectal bleeding (also called hematochezia, meaning bright red blood in the stool) is a symptom of a problem in the digestive tract. Common causes of rectal bleeding include hemorrhoids, anal fissure, diverticulosis, infection, inflammation (IBD or irritable bowel disease, Crohn's disease, colitis), blood vessel problems (angiodysplasia). Other causes may include polyps, tumors, trauma, an ...Aug 12, 2023 · This effect is normal, and does not mean there is blood in your poop. The phenomenon occurs when iron that has not been absorbed in your gut mixes with the microbiome in your digestive tract, causing your stool to turn a black color. While black-looking stool is common with iron supplements, black and tarry stool is not. Among the more common side effects for amoxicillin (Amoxil) are: diarrhea. stomach upset. headache. abnormal taste sense. skin rash. vaginal yeast infection. Less common side effects include ...Among the more common side effects for amoxicillin (Amoxil) are: diarrhea. stomach upset. headache. abnormal taste sense. skin rash. vaginal yeast infection. Less common side effects include ...During pregnancy. In babies and children. Summary. Green stool, also referred to as green poop or green feces, can be a temporary condition that results from eating certain foods or taking specific medications or supplements. Green stool happens when feces has a green coloring or tint. The usual color of feces is light to dark brown.Treatment. Generally speaking, antibiotic-associated diarrhea will improve once the course of antibiotics is completed. Sometimes it may be necessary to switch to another antibiotic if the symptoms are intolerable. To prevent dehydration, drink plenty of water (around eight to ten 8-ounce glasses per day) with an occasional sports drink to ...For most people, antibiotic-associated diarrhea causes mild signs and symptoms, such as: Loose stools. More-frequent bowel movements. Antibiotic-associated diarrhea is likely to begin about a week after you start taking an antibiotic. Sometimes, however, diarrhea and other symptoms don't appear until days or even weeks after you've finished ...Takeaway. Poop can turn green for many reasons, including a diet rich in high chlorophyll plants. Other possible causes include antibiotic use and bacterial infections. Poop is generally brown ...An antibiotic side effect occurs as an unwanted reaction that occurs in addition to the desirable therapeutic action of the antibiotic you are taking. Side effects of antibiotics can range from mild allergic reactions to severe and debilitating adverse events. When used appropriately, most antibiotics are relatively safe with few side effects. 8. Hallucinations, Psychotic Reactions and Tendon Ruptures. Recently, a class of antibiotics called fluoroquinolones have been making headlines as experts expect that they can damage mitochondria and cause irreversible nerve damage. Researchers are now trying to figure out why. ( 18) Fluoroquinolones have been associated with troubling side ...May 1, 2023 · Blood in or on the stools. Change in bowel habits (pooping more or less frequently) Constipation. Diarrhea. Fatigue. Growths in the anal canal. Pain, irritation, or itching in the anal area. Unintended weight loss. Treatments for colon and rectal cancer can include surgery, radiation, chemotherapy, or immunotherapy. Rectal bleeding (also called hematochezia, meaning bright red blood in the stool) is a symptom of a problem in the digestive tract. Common causes of rectal bleeding include hemorrhoids, anal fissure, diverticulosis, infection, inflammation (IBD or irritable bowel disease, Crohn's disease, colitis), blood vessel problems (angiodysplasia). Other causes may include polyps, tumors, trauma, an ...In many cases, the signs of a urinary tract infection do start to improve significantly after 24-48 hours on antibiotics, but not in all cases. Some UTIs can have complicating factors, such as the bacteria causing the infection could be resistant to the initial antibiotic choice, or bladder stones are also present and are irritating the bladder ... Nancy C. Caralla, Founder & Executive Director of the C Diff Foundation. Nancy C. Caralla is a three time C. difficile infection survivor who has 23 years’ experience in the nursing profession blended with over 25 years experience in international construction management. Over the past two years, Nancy in partnership with Foundation members ...Jul 28, 2023 · The appearance of your stool. Whether you have any of the signs of dehydration — a very dry mouth, intense thirst, decreased urination, extreme weakness. Whether there is blood in your stool. If you have additional worrisome symptoms, such as fever or abdominal pain. In most cases, your doctor can diagnose antibiotic-associated diarrhea based ... 2. Eat fermented foods. Certain foods can also help restore the gut microbiota after damage caused by antibiotics. Fermented foods are produced by microbes and include yogurt, cheese, sauerkraut ...Ciprofloxacin may cause diarrhea, and in some cases it can be severe. It may occur 2 months or more after you or your child stop taking this medicine. Do not take any medicine to treat diarrhea without first checking with your doctor. Diarrhea medicines may make the diarrhea worse or make it last longer.Aug 12, 2023 · This effect is normal, and does not mean there is blood in your poop. The phenomenon occurs when iron that has not been absorbed in your gut mixes with the microbiome in your digestive tract, causing your stool to turn a black color. While black-looking stool is common with iron supplements, black and tarry stool is not. Apr 16, 2020 · Yes: About one third of the solid matter in stool is dead bacteria. Also, the actions of bacteria on bilirubin influences the color of stool. We have trillions of bacteria in our intestines and antibiotics kill many of these bacteria, influencing the color of our stool. I advise taking probiotic supplements both during and after taking ... Jan 28, 2022 · During pregnancy. In babies and children. Summary. Green stool, also referred to as green poop or green feces, can be a temporary condition that results from eating certain foods or taking specific medications or supplements. Green stool happens when feces has a green coloring or tint. The usual color of feces is light to dark brown. 3) Eating a Ton of Green Veggies or Fruit. The food you eat may also cause your poop to turn green. Fruits and vegetables that are green in color, like kiwi or kale, contain chlorophyll, the ...Possible causes of blood in the stool include: Inflammatory bowel disease (IBD). If you have bloody diarrhea and pain that goes on for weeks, along with weight loss, IBD might be the reason. This ...Ciprofloxacin may cause diarrhea, and in some cases it can be severe. It may occur 2 months or more after you or your child stop taking this medicine. Do not take any medicine to treat diarrhea without first checking with your doctor. Diarrhea medicines may make the diarrhea worse or make it last longer.Be especially careful to replenish your beneficial gut bacteria after a course of antibiotics (read my article about 3 things you should do after taking antibiotics). If probiotic food doesn’t do it for you, get a good probiotic supplement. Drink lots of water and stay hydrated. Exercise daily. Here is a short video on what your poop says ...Amoxicillin and clavulanate combination may cause diarrhea, and in some cases it can be severe. It may occur 2 months or more after you stop using this medicine. Do not take any medicine to treat diarrhea without first checking with your doctor. Diarrhea medicines may make the diarrhea worse or make it last longer.Mar 9, 2016 · Dogs that have antibiotic-responsive diarrhea over time have an increase in the serum folate. If the levels look higher than normal after testing is complete, this may help the veterinarian in the diagnosis. Research is still being conducted on antibiotic-responsive diarrhea and the difficulty of diagnosing this disorder. A blood test. A blood test can identify infections and other conditions that may cause proctitis. It can also indicate blood loss or an excess of white blood cells. A stool test. A healthcare provider may test a sample of your poop for evidence of infection, bleeding or an excess of white blood cells. A rectal culture. For this test, a ...
Rectal Bleeding What is rectal bleeding? Looking down into a toilet and seeing blood in your stool (poop) can be alarming. Your mind might go to many places as warning bells ring that something’s wrong. Rectal bleeding is a symptom of many different conditions, some more serious than others.. Post master
Infectious colitis. Infectious colitis is an infection of the colon caused by bacteria, viruses, or parasites. The inflammation can cause bloody and/or mucousy diarrhea. Other possible symptoms include: Fever. The feeling that you need to pass stools when your bowels are already empty. Abdominal pain.Jul 27, 2018 · Doctors say that melena is the name for stools that are jet black and have a distinct stickiness to them. The color of stool, whether is it jet-black poop or stools that have red blood on them can indicate where bleeding occurs. 6. Blood that is old turns black and upper intestinal bleeding will cause black stool or black vomit. Respiratory infections. Gastrointestinal infections. Skin or tissue infections. Some of the most common antibiotics prescribed for dogs include: Cephalexin, Clavamox, Clindamycin, Gentamicin, and Doxycycline. 3. But unfortunately, dog antibiotics aren’t all good news. They can come with a whole host of side-effects for your pooch.Pediatrics 43 years experience. Mucus in stool: Is usually nothing to be worried about unless, it is happening on a regular basis,there is blood or change in bowel habits. Usually seen in intestinal... Read More. Created for people with ongoing healthcare needs but benefits everyone.Hemorrhoids are enlarged veins in anal area, they look like a pinkish/bluish clumps of mucosa. You can see and feel external hemorrhoids. They may be painfull, like after prolonged sitting, they often itch, and often bleed when you strain. Internal hemorrhoids are not seen from outside, are usually not painfull, but can cause thin stools.May 25, 2023 · Bloody diarrhea. Weight loss. Mouth sores. Joint pains. Inflammatory bowel disease (IBD) is inflammation of the bowel. There are two types: Crohn’s disease and ulcerative colitis. It is due to multiple factors, including genetics, the environment, and your body’s immune system. Symptoms may develop gradually or occur suddenly. Clostridioides difficile (klos-TRID-e-oi-deez dif-uh-SEEL) is a bacterium that causes an infection of the large intestine (colon). Symptoms can range from diarrhea to life-threatening damage to the colon. The bacterium is often referred to as C. difficile or C. diff. Illness from C. difficile typically occurs after use of antibiotic medications. Signs of allergic reactions range from mild to severe and may occur immediately after taking the antibiotic (anaphylaxis) or later on. During an allergic reaction, dogs may experience one or more of the following signs: Swelling of face or muzzle. Skin rash or hives. Difficulty breathing.Belly Pain or Discomfort. This is the most common side effect of colonoscopy. You might feel cramping or bloating afterward. Your doctor may use air to inflate your colon so they can get a better ...Jul 5, 2018 · Some bacteria produce vitamin K, which the body needs to make the blood clot. To reduce the impact of antibiotics on vitamin K levels, people can eat: kale. spinach. turnip greens. collards. Swiss ... March 28, 2023, at 9:30 a.m. | This article is based on reporting that features expert sources. Gut Health Recovery from Antibiotics When bacterial illnesses strike – whether it's a bacterial ear...Aug 1, 2023 · Ciprofloxacin may cause diarrhea, and in some cases it can be severe. It may occur 2 months or more after you or your child stop taking this medicine. Do not take any medicine to treat diarrhea without first checking with your doctor. Diarrhea medicines may make the diarrhea worse or make it last longer. Clostridioides difficile (klos-TRID-e-oi-deez dif-uh-SEEL) is a bacterium that causes an infection of the large intestine (colon). Symptoms can range from diarrhea to life-threatening damage to the colon. The bacterium is often referred to as C. difficile or C. diff. Illness from C. difficile typically occurs after use of antibiotic medications. Many antibiotics cause stomach upset or other gastrointestinal side effects. These can include: nausea. vomiting. cramps. diarrhea. Macrolide antibiotics, cephalosporins, penicillins, and ...May 1, 2023 · Blood in or on the stools. Change in bowel habits (pooping more or less frequently) Constipation. Diarrhea. Fatigue. Growths in the anal canal. Pain, irritation, or itching in the anal area. Unintended weight loss. Treatments for colon and rectal cancer can include surgery, radiation, chemotherapy, or immunotherapy. Literature Review. Red stools from cefdinir are described in the package insert 1 but only 3 cases are reported in the medical literature. 3–5 A search of Medline, 1996 to present, using the MESH search terms “cefdinir,” “adverse effects,” and/or “drug/food interactions” and search terms “red stool” or “maroon stool” revealed only 1 published case report of red stools ... .