Stomach pain along with dehydration can happen due to several common problems, such as diarrhoea, vomiting, food poisoning, stomach infection, acidity, indigestion, fever, or not drinking enough fluids. When the body loses too much water through loose motions, vomiting, sweating, or poor fluid intake, dehydration can develop and may cause weakness, dizziness, dry mouth, low urine output, and worsening stomach discomfort. In some cases, dehydration itself can also lead to stomach cramps. To help recovery, drink plenty of fluids slowly and frequently, such as water, ORS (oral rehydration solution), coconut water, rice water, soups, or lemon water with a little salt and sugar. Eat light and easy-to-digest foods like rice, bananas, toast, curd, khichdi, or boiled vegetables, and avoid oily, spicy, junk, or outside food until you feel better. Rest well and avoid smoking, alcohol, or too much tea and coffee because they can worsen dehydration and stomach irritation. If the stomach pain is severe, persistent, associated with high fever, blood in stool or vomit, repeated vomiting, swelling of the abdomen, difficulty passing urine, or inability to drink fluids, you should seek medical help immediately because it may indicate a serious infection or another medical condition that needs treatment. In many mild cases, proper hydration, rest, and simple food care help the body recover naturally within a few days.