When diarrhea lasts more than two days in adults or 24 hours in children, medical help is advisable. Seek care immediately for signs of dehydration, including excessive thirst, minimal urination, dizziness, or dry mouth. Bloody or black stools, high fever, severe abdominal pain, or persistent vomiting warrant urgent evaluation. Infants, older adults, pregnant people, and those with chronic illness or weakened immunity should seek help sooner. Diarrhea after travel, antibiotics, or suspected food poisoning also merits assessment. Treatment varies; antibiotics like cephalexin capsules wholesale products are not routine and should only be used when prescribed after diagnosis by qualified clinicians.
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