What is ulcerative colitis?

Ulcerative colitis explained simply

In ulcerative colitis the lining of the large intestine is persistently inflamed. The inflammation usually starts in the rectum and can spread to further sections. The disease comes in flare-ups: phases with severe symptoms alternate with phases of few or no symptoms (remission).

The exact causes are not fully understood. An overactive immune system, genetic predisposition, gut flora and environmental factors are discussed. Ulcerative colitis is not contagious and not caused by a poor diet, although diet can influence symptoms.

Symptoms and differential diagnosis

• Diarrhoea, often with blood and mucus
• Abdominal cramps and urgency
• Fatigue, weight loss, sometimes fever during flare-ups

It must be distinguished from irritable bowel syndrome, where no visible inflammation of the gut lining is present, and from Crohn's disease, which can affect the entire digestive tract. Specialists make the diagnosis, for example through stool tests, blood tests and a colonoscopy.

Ulcerative colitis and curcumin: what studies investigated

In clinical trials, curcumin was studied in ulcerative colitis as an addition to the standard therapy prescribed by a doctor. A few smaller trials reported more favourable values for disease activity and remission, while others found no clear difference. The studies are small, short and use different doses and preparations. No recommendation can be derived from them, and there is no authorised health claim.

There is also a flip side: curcumin can irritate the stomach and gut lining in sensitive people, especially at a high dose on an empty stomach. The same preparation that was studied is therefore not tolerated equally well by everyone.

How is ulcerative colitis treated?

Treatment depends on extent and severity. Anti-inflammatory drugs are common, meant to dampen inflammation in an acute flare and prevent relapses in quiet phases. In severe courses, drugs that influence the immune system are used. In rare cases surgery is necessary. The goal is to keep the disease in remission. Specialists are responsible for this therapy, usually gastroenterologists.

Frequently asked questions

Can diet cure ulcerative colitis?

No. Diet can influence symptoms, for example with intolerances during a flare, but it does not replace medical therapy.

How often do flare-ups occur?

That varies greatly. Some people have long quiet phases, others frequent flares. Regular check-ups help to keep track of the course.