Why do I experience appetite changes and excessive saliva?

Many people­ get irritable bowel syndrome­, also called IBS. It can make your stomach hurt and cause bloating, loose­ stool, or hard stool. Things like stress or certain foods might worse­n it. Eating smaller meals could assist. Avoiding foods that trigger it, such as spicy ite­ms, can be beneficial too. Managing stre­ss helps a lot of people. Drinking lots of wate­r daily and keeping active may e­ase symptoms for some people.

Do not underestimate how black stool points to possible internal bleeding of your digestive system, nor your symptoms of losing weight and having no appetite. This points to the start of a severe health issue that would be more likely benign than malignant. Besides, it's best to go through the colon and intestine diagnostics first as well as some other medical tests.

Tummy aches can be caused by several things skin infections even gas. If the pain is strong or doesn't go away for a long time, then seeing a doctor is important. You, your partner, can experiment with drinking enough water, consumption of light meals, and avoiding spicy or fatty food products.

ACID REFLUX after hernia SURGERY can go away... MEDICATION helps..

Throwing up a lot can cause upper back pain when swallowing. Even if your endoscopy looked normal, other issues like muscle strain or acid reflux might be causing this discomfort. Try eating smaller portions, avoiding spicy foods, and staying upright after meals. This might help. If you’re still having trouble, see your doctor again. There might be other causes or treatments to consider.

You might have an H. pylori infection. This bacteria can cause stomach pain, make your belly feel uncomfortable, and even cause a heavy head or cold sweats after meals. It can also lead to stomach ulcers. The good news is that it can be treated with a combination of antibiotics and acid-relief medication. Be sure to follow your doctor’s instructions and complete the full course of treatment to fully eliminate the bacteria. y.

You mentioned numerous problems that have tortured you in the last 2-3 months - like nausea, fullness after a meal, and heartburn. That can be a sign of anxiety. However, you say that they tend to become aggravated during high-pressure situations such as exams that may lead to that. Anxieties can lead to digestion problems and anticorrelated symptoms. Do some techniques like deep breathing or walking to reduce the stress level. Smaller and more frequent meals can also be of help to avoid your pain. 

There are a number of conditions which loose stool may be a symptom, such as infections; food intolerance and inflammatory bowel disease. Difficulty in defecation and excessive straining to evacuate the bowels may indicate constipation. A visit to a gastroenterologist is therefore vital for acurate diagnosis and treatment plan.