Diarrhea without vomiting

Food Poisoning, Gastroenteritis, and Rotavirus Infection can cause loose stools even when vomiting is absent. Gallstones or Pancreatitis may be considered when diarrhea comes with strong upper-abdominal pain, especially if pain spreads to the back. Migraine can include digestive symptoms in some people. Meningitis is uncommon but urgent; diarrhea does not explain away a severe headache, stiff neck, light sensitivity, rash, or altered alertness. The absence of vomiting does not show why diarrhea started, so recent food, travel, medicines, fever, and pain are useful details.

Replace fluid regularly with water, broth, or an oral rehydration drink. Eat small meals if hungry, choosing foods you tolerate, and avoid alcohol. Wash hands with soap and water after using the toilet and before handling food. Do not prepare meals for other people while an infectious cause is possible. Note stool colour, blood, pain location, fever, urine output, and any new medicine. A pharmacist or clinician can advise whether an anti-diarrheal medicine is appropriate; avoid self-treatment when there is blood in the stool, a high fever, or severe pain.

Get urgent help for severe or worsening abdominal pain, fainting, confusion, very little urine, blood or black stool, or signs of meningitis such as a stiff neck with severe headache or altered alertness. Seek medical advice for a high fever, symptoms that do not settle, repeated episodes, or inability to drink enough. Children, older adults, pregnant people, and people with chronic illness should seek guidance earlier if fluid loss is increasing.

Ask whether the timing and stool features suggest infection, medication irritation, or another cause. Ask how much to drink, whether testing is useful, and which changes should trigger urgent review.