What is probably happening is you have an anal fissure, which is a small split in the skin around the anus. The pain that occurs during bowel movements is the main symptom. Hard stools can make it worse. Fiber supplements like psyllium husk or methylcellulose may help you ease your bowel movements which are the reason for the hard stools. Also drinking plenty of water is very good for your digestion. 

YELLOW POOP may INDICATE celiac BUT other FACTORS also EXIST. Celiac symptoms RANGE from mild to severe and MAY include nausea, vomiting, diarrhea, abdominal pain, constipation, and WEIGHT LOSS... Yellow poop may be due to eating certain foods, medications, or gallbladder issues... CONSULT a DOCTOR

Your rumbling tummy means gas is trappe­d inside. You may have eate­n too quickly or gulped air while drinking. Certain foods like­ beans and veggies can cause­ this too. Go slowly when eating, skip fizzy drinks, and sip peppe­rmint tea. A brief walk might help the­ gas pass through.

One should get medical help as soon as possible. Your symptoms indicate the possible complication of your case due to hemorrhoids, for example blood clot. As for me, I would advise turning to a gastroenterologist or proctologist immediately in order to receive the right diagnosis and treatment.

The­ "atrophic mucosa" means the lining of your gut is unhealthy. Eating gutkha can hurt your gut, but it doe­s not relate to gluten. With ce­liac disease, you may have diarrhe­a, weight loss, and feel tire­d. The fix is following a strict no-gluten diet. This me­ans avoiding foods with wheat, barley, and rye. By doing this, your gut can he­al up and you will feel bette­r overall.

Ibd and Ibs are complex conditions that involve inflammation and dysfunction of the gastrointestinal system. They require medical management and treatment approaches that are specific to these conditions. Treatment for IBD and IBS needs a combination of medication, dietary modifications, lifestyle changes, and sometimes psychological support.
While alternative therapies and complementary approaches may have their benefits it's crucial to rely on evidence based treatments for conditions as complex as Ibd and Ibs.

You have been having a sense of imbalance for the last 4 to 5 days and vomiting at the slightest of food intake. These can be attributed to low blood pressure. When blood pressure reduces it is possible for you to feel dizzy and the sensation of sickness to be experienced. To help, consider drinking more water and eating small meals throughout the day. 

It appears that your boyfriend may have an upset stomach after consuming a large number of multivitamin tablets that contain iron. Black, icky, tar-like poop and abdominal tenderness are indicative of possibly internal bleeding. The situation could have been aggravated considering he ingested Adderall, skipped meals, and drank alcohol. He must seek immediate medical attention.