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Injections for anal fissures

Anal fissure repair

By injecting a muscle relaxant into the muscle around your anus, we can help to relieve the pain of anal fissures

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About injections for anal fissures

An anal fissure is a small tear in the skin near your back passage. It can be painful and sometimes lead to bleeding after you poo. Anal fissures usually go away with the help of special creams. If they don't, we can inject a relaxant into the muscle around your anus to start the healing process.

Need to know

  • What happens icon plus

    Injections for anal fissures are normally carried out under local anaesthetic, which means we'll numb the area of injection. Your consultant will inject a relaxant into the muscle around your anus. This may feel a little uncomfortable but the procedure is very quick. The relaxant will begin to work over the next three days, helping to relax the muscle and reduce the amount of pain you feel. It will also increase blood flow to the fissure, so it can heal naturally. These injections are normally carried out if other anal fissure treatments haven't worked.

  • How to prepare icon plus

    There isn't any special preparation involved, so you won't need to limit your food or drink intake beforehand. Your consultant will explain the procedure and answer any questions may have. They will also explain any potential risks or side effects.

  • Afterwards icon plus

    The procedure will only take a few minutes and you'll most likely be able to go home straight after. The injections will begin to work over the next 72 hours. And the healing effects of the treatment will last over two to three months. This should be enough time for your anal fissure(s) to heal.
Consultant with patient

Our consultants

From complex surgery to straightforward procedures, we provide exceptional care across our network of hospitals, outpatient centres and specialist clinics.

Our facilities

From complex surgery to straightforward procedures, we provide exceptional care across our network of hospitals, outpatient centres and specialist clinics.

  • The Princess Grace Hospital

    42-52 Nottingham Place

    London W1U 5NY

    Appointments 020 7908 8001
    General enquiries 020 7486 1234

  • London Bridge Hospital

    London Bridge Hospital

    27 Tooley Street

    London

    SE1 2PR

    Appointments & Enquiries 020 7234 2009
    Imaging Appointments 020 7234 2773

Request an appointment

We're happy to help you make an appointment with one of our experienced consultants.

020 7079 4344
Book an appointment
This content is intended for general information only and does not replace the need for personal advice from a qualified health professional.
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