Strep A information for people with Crohn’s or Colitis

Strep A is a common type of bacteria. It can cause an infection called scarlet fever. In very rare cases the infection can become more serious, known as invasive group A strep (iGAS).

There’s currently a higher number of strep A infections than usual in the UK. However, most strep A infections are mild and can be easily treated with antibiotics.

There’s no evidence that being diagnosed with Crohn’s or Colitis puts you at higher risk of getting a strep A infection or having a more severe strep A infection.

However, if you’re taking certain medicines that weaken your immune system you may be more at risk of getting infections. You may find that infections affect you more than they used to, or it takes you longer to recover.

Please check the section on ‘special precautions’ in our information on your specific medicine.

Contact your GP or IBD team if you develop signs of an infection, such as a sore throat, fever or any new symptoms that concern you. See the NHS website for information on the symptoms of a strep A infection.

Strep A infections are more common in children. If you think your child has a strep A infection, contact their GP or NHS 111.

For more details, see the NHS information on:

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We know it can be difficult to live with, or support someone living with these conditions. But you’re not alone. We provide up-to-date, evidence-based information and can support you to live well with Crohn’s or Colitis.

Our helpline team can help by:

  • Providing information about Crohn’s and Colitis.

  • Listening and talking through your situation.

  • Helping you to find support from others in the Crohn’s and Colitis community.

  • Providing details of other specialist organisations.

Please be aware we’re not medically or legally trained. We cannot provide detailed financial or benefits advice or specialist emotional support.

Please contact us via telephone, email or LiveChat - 9am to 5pm, Monday to Friday (except English bank holidays).

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If you need specific medical advice about your condition, your GP or IBD team will be best placed to help.

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