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Symptoms

The main symptoms of IBS are:

There may be days when your symptoms are better and days when they're worse (flare-ups). They may be triggered by food or drink.

What can trigger IBS symptoms

IBS flare-ups can happen for no obvious reason.

Sometimes they have a trigger like:

  • alcohol
  • caffeine
  • certain foods, such as spicy or fatty food
  • stress and anxiety

IBS can also cause: