When Should You Seek Medical Help for Diarrhea?

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When should you seek medical help for diarrhea? You should consult a doctor if symptoms last more than two days, worsening, or include high fever, blood in stool, severe dehydration, or persistent vomiting. Infants, older adults, and people with weakened immunity need earlier evaluation. Signs of dehydration include dry mouth, dizziness, reduced urination, and fatigue. Avoid self-medicating with antibiotics like cephalexin capsules unless prescribed, as misuse may worsen infection or resistance. Seek urgent care if confusion, rapid heartbeat, or inability to keep fluids down occurs. Early diagnosis ensures proper treatment and prevents complications like kidney problems or severe electrolyte imbalance.