Common "Black Stools" queries answered by top doctors | iCliniq

Black Stools

Black stools are mostly due to consuming dark-colored food. But sometimes, bleeding in the gastrointestinal tract due to ulcers, cancer, or injury, can result in black stools. The other cause includes bowel ischemia, varices, and vascular malformation. Hemorrhoids or IBD (inflammatory bowel disease) can also result in black or bloody stools.

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All the answers published in this website are written by verified medical doctors, therapists and health experts. The Content has been moderated by iCliniq medical review team before publication. Post your medical clarifications on iCliniq by choosing the right specialty and get them answered. Your medical queries will be answered 24/7 by top doctors from iCliniq.

I am constipated and have stomach cramps after taking laxatives. Why?

Query: Hi doctor,I have been dealing with this issue for a couple of months. It all began after taking a senna leaf, which is a laxative. I should also want to mention that I had a thin stool for some time, but now it comes and goes. In the beginning, I also had a dark-colored stool, but that is no longer ...  Read Full »

Dr. Ajeet Kumar

Answer: Hello, Welcome to The senna is used in treatment for constipation. They are irritant laxatives, meaning they irritate the gut, cause cramps, and thus pass stools. So cramping, diarrhea, bloating are common side effects. However, they usually do not last for more than three days of the...  Read Full »

Why do I have black stools and flatulence with a change in odor?

Query: Hello doctor, I have black stools, and they are similar in consistency to brown stools, with a softer structure. I am farting more than usual, and the odor is different. I have started a new diet containing 9 grams of iron, and I am not feeling any pain. I exercise daily and am in a slight calorie...  Read Full »

Dr. Vandana Andrews

Answer: Hello, I am glad you chose icliniq for your medical-related queries. I understand your concern. Black stools can be concerning as they may indicate the presence of blood in your stool, which could be due to various reasons. The change in your stool's appearance, along with increased flatulence and ...  Read Full »

What can be the reason for black stools with mucus in a 22-year-old?

Query: Hello, I have had a hard time defecating for two or three days, and it looks like this when I do. I am 22 years old and weigh 196 lbs. I am afraid of what I am experiencing. I can not poop correctly, and if I poop, it is just a very small amount, and it has mucus. Some parts of the stool are black. ...  Read Full »

Dr. Md Shamim Reza

Answer: Hi, Welcome to I read your query and understand your concern. It is an annoying situation. But do not worry. I think it is not dangerous. You are probably suffering from an episode of constipation. I suggest you take the following measures- 1. You must drink plenty of water. 2. You mu...  Read Full »

I have discharged round, flat black pellets from my colon. Kindly advise.

Query: Hello doctor, I had round and flat black pellets discharged from my colon after coffee enema with gentle massage. I do not have pain or abdominal discomfort, but I occasionally get gassy. The black balls are all perfectly round, flat, and all are exactly the same size and structure. I discharged abo...  Read Full »

Dr. Anshul Varshney

Answer: Hi, Welcome to I need following details to help you better: Did you have same pellets coming out prior to coffee enema also? How many times do you pass stools? Are the pellets coming every time you have a motion? Since how many days are you having this? Revert with more inf...  Read Full »

Does alcoholic cirrhosis with black stool indicate liver failure?

Query: Hello doctor, I am 59 years old. I was diagnosed with hepatitis C alcoholic cirrhosis, acute pancreatitis and that was almost two years. I am currently taking Levothyroxine 50 mg once daily, Labetalol Hydrochloride 100 mg once daily, Lisinopril 20 mg once daily. I was in the hospital at first to sta...  Read Full »

Dr. Jaydeep Tripathy

Answer: Hello, Welcome to Black stools are indicative of acute gastrointestinal hemorrhage. Melena or black stools can also turn into a medical emergency if a lot of blood is lost and hence my sincere advice to you would be to go see a doctor as soon as possible. This does not signify liver f...  Read Full »

I am passing black and brown stools. Why?

Query: Hello doctor,I am a 22-year-old female. I have bowel movements twice a week or every three days. Last week, I passed a stool that was firm, black, and brown. I did not take any medication and was concerned about what it could be. Kindly help.Thank you.  Read Full »

Dr. Vandana Andrews

Answer: Hello, Welcome to I can understand your concern. I can provide some information based on your symptoms. Passing a single, large, black stool (known as a "fecal occult blood" test positive) can be a sign of bleeding in the upper gastrointestinal tract (esophagus, stomach, or small int...  Read Full »

My daughter is experiencing abdominal pain. Please help.

Query: Hello doctor, I have a 3.6 years old daughter, who weighs 10.5 kg. She is very thin and not a foodie. She is hyperactive when she is well. Sometimes, she complains of pain in the abdomen. It is going on from 1 to 2 months. The doctor advised getting an ultrasonography. She has been complaining o...  Read Full »

Dr. Chandwadkar Ashish

Answer: Hello, Welcome to I went through the detailed history of your child and the attached reports (attachment removed to protect patient identity) too. Most of the findings in the reports seem normal. Except some like ESR (erythrocyte sedimentation rate), lymphocytes, CRP (c-reactive protei...  Read Full »

I am on antibiotics and passing maroon-colored stool. Why?

Query: Hi doctor, I am a 23 year old female of 5'6" and weighs 250 lbs. Currently, I am on an antibiotic for tooth abscess. I have been taking Ibuprofen and Tylenol for the pain. Now, I believe that I may have stomach bleeding due to a maroonish colored stool. I just need to know if I should visit the ER r...  Read Full »

Dr. Kulkarni Rahul Suresh

Answer: Hi, Welcome to You might be having gastritis because of Ibuprofen and resulting into maroonish stools. Are you having that more than once since a couple of days? In the case of stomach bleeding, the stools are very dark and more blackish like tar rather than maroonish. If you are feel...  Read Full »

I have been experiencing stomach pain for a week. Why?

Query: Hello doctor, I am a 29-year-old male, and have stomach pain for around a week (mostly after eating). The pain starts in epigastric regions, and then to lower abdomen. I started noticing changing stool color to more darker stool. There is no diarrhea or vomiting, no fever. I am taking Omeprazole for...  Read Full »

Dr. Krutika Shrikant Ingle

Answer: Hello, Welcome to Darker color stools are not a good sign. Kindly do a stool examination and visit your family physician for a thorough check-up, so that he can determine the exact cause for your discomfort. There are many reasons like peptic ulcer, a bacterial infection of the stoma...  Read Full »

Why do I have a runny stomach and black stools after flu?

Query: Hello doctor, I had the flu for two days. That included a fever, sore throat, and runny nose with a dry cough. The flu went away and now I just have a cough, but I have developed a rash behind my ears and a runny stomach in which my stool is black.  Read Full »

Dr. Settipalli Saravan Pramod

Answer: Hello, Welcome to It seems like a hemorrhagic fever such as dengue in which the patient presents with a bleeding manifestation of melena (black-colored stools), bleeding gums, any hemorrhagic rashes, or hematuria, etc.Black-colored stools indicate that blood is leaking from somewhere in...  Read Full »

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