
Board-Certified · Internal Medicine · Medical Director
All 50 states + DC·Video visit
In-network: Aetna, BCBS, UnitedHealthcare +18 more plans
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Prolonged watery diarrhea with severe fatigue, appetite loss, and weight loss is the classic cyclosporiasis pattern. Cyclospora PCR is the test to ask for — routine stool cultures miss it.
Also called: losing weight from diarrhea · watery diarrhea and exhaustion · cyclospora symptoms
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The most common causes a clinician considers. This isn't a diagnosis — it's the differential a provider works through with you.
Cyclosporiasis is one of the more common causes of diarrhea with fatigue and weight loss. Ondoc can evaluate it online.
Giardiasis is one of the more common causes of diarrhea with fatigue and weight loss. Ondoc can evaluate it online.
Hypothyroidism is one of the more common causes of diarrhea with fatigue and weight loss. Ondoc can evaluate it online.
Discuss diarrhea with fatigue and weight loss directly with our medical director.
Most requests reviewed within 24 hours; prescriptions sent to your pharmacy.
Plain-language explainer of the most likely underlying cause.
A1c, thyroid, iron, hormones, STI panels, and more.
For existing prescriptions.

Board-Certified · Internal Medicine · Medical Director
All 50 states + DC·Video visit
In-network: Aetna, BCBS, UnitedHealthcare +18 more plans
Next available
Open the full schedule below to find a time.