I have ulcerative colitis. How long should I take Mesalamine?

Question

Hello doctor,

I am 29 and was diagnosed with ulcerative colitis last year after a colonoscopy showed continuous inflammation in the rectum and sigmoid colon. I am currently on Mesalamine 2.4 g daily and doing better.

I have a few concerns, and I am looking for your suggestions on the following:

How long should I continue this medicine?
Can stress or certain foods cause flare-ups even when symptoms are mild?
My recent CRP was 14 mg/L. Is that still considered high?
Also, are probiotics really useful in maintaining remission?
Sometimes I feel a slight urgency even without bleeding. Does that mean inflammation is returning or just irritation?
Should I repeat a colonoscopy every year or only if symptoms worsen?

Please suggest.

Answer 1

Hello,

Welcome to icliniq.com.

I understand your concern.

With proctosigmoid UC (ulcerative colitis), Mesalamine is usually continued long-term (years) because stopping often leads to relapse; it also helps reduce future cancer risk. Many patients stay on a maintenance dose once stable.

Stress and foods do not cause UC, but they can trigger symptoms and sometimes precede flares (sleep loss, NSAIDs (non-steroidal anti-inflammatory drugs), alcohol, very fatty or spicy foods, lactose if intolerant).

Use a diary to note the triggers and avoid only the clear triggers. Your CRP (C-reactive protein) of 14 mg/L (milligrams per liter) is mildly elevated; CRP can rise from other inflammation and is not always sensitive for UC.

A better gut marker is fecal calprotectin; if urgency is returning, check calprotectin and stool infection (especially Clostridioides difficile) rather than guessing.

Slight urgency without bleeding can be early inflammation, but can also be residual rectal sensitivity or IBS overlap. Topical Mesalamine (suppository or enema) often helps if rectal symptoms persist.

Regarding probiotics, evidence of their effect is modest; they are supportive at best (some mixes may help mild disease) but not a substitute for Mesalamine.

Colonoscopy is not for yearly monitoring. Repeat if symptoms or markers rise or to assess healing after a treatment change. Cancer surveillance usually begins about eight years after onset if the disease extends beyond the rectum, with an interval set by risk.

I hope you find this helpful.

For more queries, feel free to reach out to me anytime.

Thank you.