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Eugene Yen, MD

Research Associate Professor, Gastroenterologist

Q: Is there research that suggest the likelihood of UC developing into Crohn’s?

A: Most of us do not think that UC develops into Crohn’s. It’s true that in 5-10% of patients, we don’t always know the difference, since there is a lot of overlap at least clinically so we categorize people as “indeterminate colitis” when we are unsure of the type of IBD. I have patients who have initially diagnosed with UC who in reality find out later to have Crohn’s, and this is in spite of all of our technology and all of our experience seeing IBD patients all day. It’s very challenging and not always straightforward. I’ll also say , however, that we are treating our UC and Crohn’s patients more similarly these days. While most people hear Crohn’s and associate this with a worse diagnosis, we all know Crohn’s patients who are very mild, and UC patients who are very sick. hide answer

Q: I have Crohns and I am suffering immensely from the extra-intestinal manifestations that are presenting themselves as erythema nodosum and joint pain, and most painfully - Achilles Tendonitis. I haven't seen much information regarding Achilles Tendonitis linked to Crohn’s flares. Can you offer any insight and recommendations for relief?

A: Yes, Achilles tendonitis can be an extra-intestinal manifestation of IBD. It’s also known as enthesitis, which we often treat like other EIMs, but musculoskeletal EIMs are the most common but often difficult to treat, which is why we usually enlist our rheumatologists to help us. hide answer

Q: I have been given mesalamine enema and 4 mesalamine pills daily. It has only been one week since my diagnosis and medications, how long before I start seeing a more normal stool? Now my stool is water and sometimes droplets of blood. I am going to the bathroom about 5 times a day, this is how frequent I was going before as well.

A: Usually we give this a few weeks, but I would say that mesalamine should start to work within a few days. If it does not work, some people have the opposite effect (makes their diarrhea worse) or your colitis may just be more severe that the mesalamine is not enough. The latter is usually what happens. This is when I’d be starting to discuss potentially needing the biologic therapies if you are not doing significantly better on the mesalamine. hide answer

Q: I was diagnosed with Crohn's colitis in 2009. After several good years on Remicade, despite maximal dosage, the drug has now failed. After about 6 months on Xeljanx, that drug has now failed as well. My GI thinks it is time for me to seriously consider colectomy. I am having a tough time with this idea. How do I decide if it is worthwhile to try Entyvio or a clinical trial. What information can you share that can help me make the best decision?

A: There are other medications that you can try. Since you responded to remicade initially, adalimumab (humira) and certolizumab (cimzia) is a choice. Keep in mind that there is vedolizumab (entyvio) and also ustekinumab (stelara), in addition to clinical trials. So, there are a lot of choices out there to consider. Surgery is reasonable to consider, depending on how sick you are, but you should talk to your doctor about other non-surgical choices above. hide answer

Q: My adult son has Crohn’s disease and now into his 5th year of remission on Remicade. He is 23 and has been offered a job outside of the US. He is seeking recommendations/suggestions on alternative treatment that doesn't require IV. He is seeking other options that may allow him to freely travel without infusions every 8 weeks. Any information is on the pros and cons of switching medication or other suggestions is appreciated.

A: If he is able to get Remicade outside of the US, that would be ideal. I have had patients in this scenario. Alternatively, you can switch him to Humira, which is in the same class. Finally, if he’s doing very well, you may want to consider doing a colonoscopy with your GI doctor to see if he can de-escalate off of remicade. This may or may not be appropriate as I don’t know his IBD history fully, but your doctors should be able to help you to trouble shoot this, as it’s a common scenario. hide answer