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Ask Dr. Nandi: Your Cyclosporiasis questions answered

Cyclosporiasis
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(WXYZ) — In today’s Health Alert, as more cases of cyclosporiasis in Michigan are being reported and no source has been identified, many viewers are concerned about how they could become infected.

So, we asked viewers to post questions to our Facebook page, and one important question came up: Can this parasite be spread through recreational water, and what types of water pose the greatest risk?

That’s a great question because many people are finding relief from the heat by heading to public pools and beaches.

Now, we know that Cyclospora is most commonly spread through contaminated food, especially fresh produce. However, contaminated water is also considered a possible source of infection. The parasite is shed in human stool, but it doesn't become infectious right away. It actually needs about one to two weeks in the environment to mature before it can infect someone else.

So, when it comes to recreational water, it’s possible that Cyclospora may be able to survive for quite some time. And get this, it's resistant to chlorine. So swallowing contaminated water from lakes, untreated water sources, or potentially even pools or splash pads could pose a risk if conditions allow the parasite to mature and remain infectious.

At this point, there have not been any documented outbreaks of cyclosporiasis linked to properly maintained swimming pools. Most outbreaks that investigators have traced back over the years have involved contaminated produce or water used to grow or wash food. And right now, contaminated food still appears to be the biggest concern.

That said, if you plan to hit the beach or visit places with recreational water, try not to swallow the water. Also, shower before and after swimming, and always wash your hands well after using the bathroom or before eating or drinking. And if you have diarrhea, please wait at least two weeks after it’s gone before swimming.

Another question comes from Sharon Pelkey-Robinson.

She writes: “I am on my 15th day. I didn’t start feeling better until, on my 12th day, I went to the doctor and he put me on antibiotics. Do they know how long it takes to feel 💯? I think I got mine from eating blueberries while we were on vacation, and I probably didn’t wash good enough! Is there a certain vitamin that may help?"

Sharon, first of all, I'm sorry you're going through this. The good news is that many people start feeling better within 7 to 14 days after starting treatment. But, frustratingly, some people can continue to have occasional diarrhea for up to a month.

Now, as for vitamins, there isn't a specific one proven to treat Cyclospora. The most important things are staying hydrated, replacing lost electrolytes, and eating nutritious foods as you're able. Severe diarrhea can leave you depleted, so water, broth, and electrolyte drinks can really help during recovery. In severe cases, IV fluids may be needed.

As for the blueberries, that’s very interesting, but officials have not yet pinpointed a source of this outbreak. That's why thoroughly washing fruits and vegetables is very important, and cooking produce when possible may also help reduce your risk.

Another viewer, Cathy Harris, asks: “I am allergic to Sulfa. I’ve heard that’s not good in this case. What will doctors do for me if I get it?”

That's another excellent question. The standard treatment for Cyclospora is an antibiotic called trimethoprim-sulfamethoxazole, or TMP-SMX. It’s sold as Bactrim, Septra, or Cotrim, and it contains a sulfa medication.

Now, if someone like Cathy has a sulfa allergy, doctors may prescribe other options like ciprofloxacin or nitazoxanide. Fortunately, most people with healthy immune systems do eventually get better, even if they don't receive treatment – it just may take longer.

But because this infection can sometimes be prolonged or more severe, especially in people with weakened immune systems, it's important to speak with your doctor right away if symptoms develop.

This Week on the Dr. Nandi Show:

Dr. Nandi, MD, explores how the foster care crisis has led to a shortage of foster homes. Leading Foster Care Expert Dr. DeGarmo has cared for over 50 foster children and reveals why so many kids need homes. A guest shares how her child-molesting step-father led to a string of foster homes, with one foster parent exploiting her as a round-the-clock live-in babysitter. Dr. Nandi explores fostering challenges with National Parenting Expert Dr. Sue Cornbluth. And a former foster child shares how the right loving home can positively impact the outcome of your life. Tune in this Sunday, July 12th, at 2 a.m. (early Monday morning).