Diarrhea that won't stop

Watery diarrhea lasting more than 7–10 days — especially after eating fresh berries, cilantro, basil, or bagged salad — can be cyclosporiasis, a parasitic infection missed by routine stool tests. A provider can order cyclospora PCR and prescribe Bactrim online.

Also called: watery diarrhea for a week · diarrhea for 10 days · prolonged diarrhea · chronic diarrhea after produce

Medically reviewed by Dr. Ikechukwu Ogbu, MD
MD · Board-Certified, Internal Medicine · Last reviewed

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Seek urgent care or the ER if you have:

  • Symptoms that are sudden, severe, or rapidly worsening
  • High fever (over 103°F / 39.4°C) that doesn't respond to treatment
  • Chest pain, trouble breathing, fainting, or confusion
  • Signs of dehydration — dizziness, dark urine, unable to keep fluids down
  • Symptoms in someone who is pregnant, immunocompromised, or over 65

What diarrhea that won't stop could be

The most common causes a clinician considers. This isn't a diagnosis — it's the differential a provider works through with you.

Cyclosporiasis

Cyclosporiasis is one of the more common causes of diarrhea that won't stop. Ondoc can evaluate it online.

Gastroenteritis / stomach flu

Gastroenteritis / stomach flu is one of the more common causes of diarrhea that won't stop. Ondoc can evaluate it online.

Giardiasis

Giardiasis is one of the more common causes of diarrhea that won't stop. Ondoc can evaluate it online.

Irritable bowel syndrome (IBS)

Irritable bowel syndrome (IBS) is one of the more common causes of diarrhea that won't stop. Ondoc can evaluate it online.

Dr. Ikechukwu Ogbu, MD — Medical Director
Dr. Ikechukwu Ogbu, MD

Board-Certified · Internal Medicine · Medical Director

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