Neurogastroenterologist Zac Spiritos, MD, MPH with Dr. Tania Dempsey
From Mast Cell Matters: Deep dives on MCAS with Tania Dempsey, MD - Presented by The POTScast by Tania Dempsey, MD with Jill Brook, MA
January 13, 2026 · 1h 2m · Season 4
About this episode
Dr. Tania Dempsey interviews Dr. Zac Spiritos about IBS, gut motility, and related conditions.
Dr. Spiritos is double board certified in gastroenterologist and internal medicine, and specializes in IBS, gut motility, POTS and the complex conditions and symptoms that go along with it. He and Dr. Dempsey discuss IBS, parasites, SIBO, CD117 staining, GLP-1 drugs for MCAS, his treatment approach, some promising news on the awareness front, and much more. Dr. Spiritos's website is here Dr. Dempsey's website is here If you liked this episode, we hope you will click subscribe so that you don't miss an episode. If you are so moved, donations are accepted to help to support our production costs https://www.standinguptopots.org/donate Tell us what you think of The POTScast or send us your idea at info@standinguptopots.org! Find out more about Standing Up to POTS! Check us out on our Website: www.standinguptopots.org Facebook: https://www.facebook.com/standinguptopots/ Instagram: https://www.instagram.com/standinguptopots/ Twitter: https://twitter.com/POTSActivist Pintrest: https://www.pinterest.com/TheStandingUpToPOTS/
People in this episode
Host: Tania Dempsey
Guest: Zac Spiritos
Topics covered
- IBS
- gut motility
- POTS
- MCAS
- treatment approaches
- awareness
Keywords
- IBS
- gut motility
- POTS
- MCAS
- SIBO
- GLP-1 drugs
- treatment
Mentioned in this episode
Organizations: Standing Up to POTS
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