When to Seek Medical Care

When to call the doctor

• If diarrhea lasts longer than 3 days
  
  
• If blood, mucus, or worms are seen in stool
  
  
• If you have pain in the abdomen or rectum
  
  
• If your temperature is greater than 102°F
  
  
• If severe headache develops
  
  
• If you have signs of water loss including dry mouth, excessive thirst, little or no urination, or feel lightheaded
  
  
• If your immune system is weakened by another condition such as HIV or cancer
  
  
• If your symptoms do not improve when you drink fluids or use nonprescription medications for diarrhea

• Continuing bloody diarrhea
  
  
• Severe weakness
  
  
• Passing out