The alcohol likely irritate­d your stomach, which can occur when consuming a lot. Throwing up blood might indicate a blee­ding stomach ulcer. Look out for stomach pain, dizziness, and fee­ling faint. It's important to stay hydrated and avoid alcohol until you're fee­ling better. If it persists, se­ek medical attention right away.

A gastroenterologist should also be seen if pain under the left or right rib is present, because many gastrointestinal disorders may cause pain as a symptom of pancreatitis, gallbladder disease and gastritis.

You likely have gastritis, which refers to the inflammation of the stomach lining due to irritants. Gastritis can result in various symptoms including pain, bloating, and digestion difficulties. Pain that occurs below the left rib cage may also be a possible result of gas accumulated in the colon. The causes of these problems may be attributed to eating too fast, spicy foods, stress, or an infection. To improve your health, eat smaller meals, avoid spicy foods, and practice stress management.

Esoprazole need to take before food.

Antacid need to take after food.

Rebamipide need to take after food.

As you have H pylori gastritis, therefore you need to take HP kit for at least 15 days.

The symptoms you mentioned might be associated with a condition such as trimethylaminuria (TMAU) or a gut issue known as small intestinal bacterial overgrowth (SIBO). TMAU refers to the main odor complications, while SIBO leads to bloating, gassy, and gut issues like diarrhea or constipation. It's imperative to obtain the actual diagnosis by carrying out tests such as breath tests or blood tests. The treatment may involve changing the diet, probiotics, antibiotics, or other medications that will help to control your symptoms. 

After a colostomy operation, it may take some time for your son to have normal bowel movements. This is normal as the body needs time to adjust. It usually takes about a week for bowel movements to return. During this time, it’s important to stay hydrated, eat nutritious food, and follow the advice of healthcare professionals. If you notice any alarming symptoms such as severe pain, abdominal swelling, or no bowel movements for an extended period, consult your doctor immediately.