Call Your Doctor Now (night or day) If

• Your child looks or acts very sick
• Signs of dehydration (e.g., no urine over 8 hours, no tears with crying and very dry mouth)
• Blood in the stool
• Fever above 105° F (40.6° C)
• Age under 12 weeks with fever above 100.4° F (38.0° C) rectally (Caution: Do NOT give your baby any fever medicine before being seen.)
• Abdominal pain present over 2 hours
• Vomiting clear liquids 3 or more times
• Age under 1 month with 3 or more diarrhea stools (mucus, bad odor, increased looseness)
• Passed more than 8 diarrhea stools in the last 8 hours
• Severe diarrhea while taking a medicine that could cause diarrhea (e.g., antibiotics)