Because you are vomiting, oral medications may be hard to keep down. For temporary relief, generic acetaminophen can help with the headache, and a gentle osmotic laxative like polyethylene glycol can ease constipation, provided you have no severe abdominal pain. However, experiencing headache, vomiting, and acute constipation together requires professional medical evaluation to rule out severe dehydration or a bowel issue. Please sip electrolyte fluids slowly and visit a clinic or doctor promptly. They can safely diagnose the cause and prescribe appropriate treatments, such as generic ondansetron for your nausea.
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I am experiencing a headache, nausea, vomiting, and acute constipation; what medicines should I take to treat these symptoms?