Cyclospora Outbreak Information You Can Trust
Stay informed with the latest updates, understand the facts,
and take the right steps to protect yourself and your family.
What Is Cyclospora?
Cyclospora cayetanensis is a parasite that causes prolonged
diarrhea, dehydration, fatigue. It spreads through contaminated
food and water.

Active outbreak update:

Latest (outbreak specific):
4173 illness | 308 hospitalization

Last verified: August 30, 2026
Source:FDA & CDC
Treatment Guidance: Evidence-Based Options
Treatment should always be guided by a healthcare professional.

CDC- Identified treatment of choice
Trimethoprim-Sulfamethoxazole(TMP-SMX)
Common Brand: Bactrim/Septra/cotrim
- CDC identifies TMP- SMX as the treatment of choice for cyclosporiasis.
- Diagnosis and a valid prescription should come before treatment.
- Suitability depends on allergies, medical history,pregnancy, Kidney/liver health and other medicines.
- take exactly as prescribed by your health care professional.

When TMP- SMX cannot be used
Individual medical assessment is required
- no highly effective alternative treatment has been astablished.
- Ciprofloxacin is often ineffective and not a routine substitute.
- a clinician may consider supportive care, limited-evidence options, or specialist evaluation.
- selected patients maybe assessed by an allergy specialist if TMX- SMX is considered necessary.

Get tested get diagnosed and follow your doctor’s advice.
Educational videos
How Cyclospora causes infection
Understand how the parasite enters your body
and causes prolonged symptoms.
Why routine stool tests may miss it
Learn why standard tests can fail and what specialized
testing is required.
Preventing Cyclospora infection
Simple steps to reduce your risk from food,
water and the environment.

See a Doctor
See a doctor if you have persistent symptoms.

Need the right test
Ask your doctor for a specialized for PCR acid fast test.

Stay hydrated
Rehydration is critical seek medical care if symptoms worsen.

Prevention is key.
Wash produce,avoid pre-cut items,and stay informed.