Call Your Doctor Now (night or day) If

• Your child looks or acts very sick
• Persistent abdominal pain over 1 hour (includes persistent crying)
• Persistent rectal pain over 1 hour (includes persistent straining)
• Vomiting over 3 times in last 2 hours
• Age under 1 month old and breastfed
• Age under 12 months with recent onset of weak cry, weak suck or weak muscles