Defining Treatment Failure for Ulcerative Colitis

What Does ‘Treatment Failure’ Mean if You Have Ulcerative Colitis?

You’ve followed your ulcerative colitis (UC) treatment plan to a T, and yet you’re still experiencing symptoms that won’t let up — or even seem to be taking a turn for the worse. There’s an unfortunate name for this phenomenon: treatment failure. And you’re not the only one going through it.

“Treatment failure is a bit of a misnomer,” says Aditi Stanton, MD, a board-certified gastroenterologist with Gastro Health in Cincinnati. “It essentially means that a medication is no longer controlling inflammation adequately. But it does not mean that a patient has failed or done anything wrong.”

Here’s how to know whether your treatment is getting a failing grade — and what happens next.

Treatment Success vs. Treatment Failure

Before talking about failure, let’s talk about what it means for an ulcerative colitis treatment to be successful. Raymond Cross, MD, medical director of the Center for Inflammatory Bowel and Colorectal Diseases at Mercy Medical Center in Baltimore, says that a treatment is working if:

  • You feel good and are able to engage in your normal activities, without needing to take steroids.
  • Blood and stool tests don’t show markers of heightened inflammation.
  • Your colon tissue looks normal and healthy on a colonoscopy, and there’s minimal inflammation on a biopsy.
It can take up to eight weeks for an ulcerative colitis medication to kick in, depending on the specific one your doctor has prescribed.

 If you’ve been consistently taking a treatment for longer than a few months and aren’t seeing an improvement, or if you’ve been on a medication and the ulcerative colitis is suddenly getting worse, those may be signs that the medication is no longer working.

In this case, you may be experiencing some of the following issues:

  • Persistent, New, or Worsening Gastrointestinal Symptoms An uptick in bowel movement frequency or urgency, abdominal pain, diarrhea, fatigue, or rectal bleeding are all red flags. Usually, these are signs of ongoing inflammation in the colon or rectum.
  • Persistent, New, or Worsening Systemic Issues For example, anemia, eye pain, joint pain, rashes, and unexplained weight loss can all be linked to uncontrolled ulcerative colitis.
  • Persistent, New, or Worsening Inflammation Symptoms can be a sign of inflammation, but your doctor will also check your inflammation levels with blood tests, a colonoscopy, or stool tests. “Some patients can feel okay but still have active inflammation,” says Stanton.
  • Severe Complications Ongoing, uncontrolled inflammation can severely damage the lining of the colon, leading to potentially life-threatening complications, such as toxic megacolon (where the colon becomes stretched and leaky) or a bowel perforation (where the colon tears).

Why UC Treatments Fail

Not everyone with ulcerative colitis improves with every medication they try. Different people react to medications in different ways, and sometimes the inflammatory pathways in the body causing a person’s ulcerative colitis just don’t respond to a drug’s mechanism of action.

 In fact, some research shows that fewer than half of people with ulcerative colitis will respond to any given advanced therapy (such as a biologic or Janus kinase inhibitor).

Other times, drugs that work initially can start to lose their effectiveness. “I estimate that 10 percent of patients can lose response each year on stable therapy,” says Dr. Cross.

The reasons are complex. “With some biologics, the body can develop antibodies that may neutralize the medication,” says Dr. Stanton, or, “The disease itself could progress, as ulcerative colitis can become more extensive or severe over time.” In other instances, people may start to clear (that is, metabolize) a drug from the body more quickly.

 All of these things can make a medication less effective at keeping inflammation and symptoms in check. If you’ve been taking the treatment regularly (skipping doses of certain drugs can allow antibodies to build up), none of this is your fault.

What Comes Next?

Treatment failure can be frustrating. But there are other options for controlling ulcerative colitis. Your care team can help you decide on the right next step for you.

Depending on your treatment history and ulcerative colitis severity, your gastroenterologist might start with relatively conservative measures, such as adjusting the dose or frequency of the current medication, says Stanton. Alternatively, they might recommend trying another medication that works differently or adding a second medication to the existing regimen.

Surgery to remove the colon and rectum — J-pouch surgery or an end ileostomy — can also be an option. Because these procedures remove the parts of the gastrointestinal tract that are affected by ulcerative colitis, they can effectively treat the condition. That said, it’s usually a last resort.

“[Surgery is] typically considered if multiple advanced therapies have failed or if inflammation remains severe, despite optimal medical management,” says Stanton, “or if complications, such as precancerous changes in the colon, arise.”

Know, too, that the treatment options for ulcerative colitis have gotten better in recent years, and experts predict that new, more effective medications and treatment strategies will continue to come to the market.

 “We hope that with the growth in therapeutic options, many people with UC can find options that work for them,” she says.

The Takeaway

  • Treatment failure doesn’t mean you’ve done anything wrong. If ulcerative colitis medication isn’t controlling symptoms, the drug is at fault, not you.
  • Persistent or worsening symptoms are red flags. Bleeding, fatigue, increased bowel urgency, or unexplained weight loss may signal ongoing inflammation or complications.
  • There are still options if treatment stops working. Your care team can help you find a path forward by adjusting the medication dosage, trying a new therapy, or suggesting surgery.
EDITORIAL SOURCES
Everyday Health follows strict sourcing guidelines to ensure the accuracy of its content, outlined in our editorial policy. We use only trustworthy sources, including peer-reviewed studies, board-certified medical experts, patients with lived experience, and information from top institutions.
Resources
  1. Al Kazzi E. The Updated ACG Guidelines to Manage Adult Ulcerative Colitis Patients. American College of Gastroenterology. August 19, 2025.
  2. Moss AC. Approach to Treatment Failure in Inflammatory Bowel Disease. Gastroenterology & Hepatology. June 2022.
  3. Afzali A et al. Unmet Needs in Real-World Advanced Therapy-Naïve and -Experienced Patients With Moderately to Severely Active Ulcerative Colitis in the United States. Advances in Therapy. October 2023.
  4. Li Wai Suen CFD. What to Do When Traditional Rescue Therapies Fail in Acute Severe Ulcerative Colitis. Intestinal Research. October 2024.
  5. New Approaches to Treating IBD. Crohn’s & Colitis Foundation.
Additional Sources

Yuying Luo, MD

Medical Reviewer

Yuying Luo, MD, is an assistant professor of medicine at Mount Sinai West and Morningside in New York City. She aims to deliver evidence-based, patient-centered, and holistic care ...

Marygrace Taylor

Marygrace Taylor

Author

Marygrace Taylor is an award-winning freelance health and wellness writer with more than 15 years of experience covering topics including women’s health, nutrition, chronic conditi...