Our Facebook communities

We have two UK Facebook support and advice forums for UK residents.

Given the difficulty in obtaining a firm MCAS diagnosis, these are open to anyone living in the UK with unusual symptoms affecting multiple parts of the body which are consistent with the pattern of MCA, and for which no alternative diagnosis has been found.

Please see our information pages on the symptoms of MCAS for further information.

If you are an adult with an MCAS diagnosis or suspect that you have MCAS and are in need of help or advice you can find our adult support group here:

MCA UK Support

If you are a parent with a child with MCAS or suspected MCAS you can request to join our parents' support group here:

MCA for UK Parents

If you are a family member looking for support, we would like to help you too, and you are welcome to also join the appropriate community.

Please note that if you do not complete the questions when requesting to join we will be unable to add you to the group. This is in order for us to keep the groups a safe space for people who are living with MCAS and to avoid unwanted promotions or spam messages.

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Sign up to become a Friend of Mast Cell Action so we can keep you up to date on our progress and on how to get involved in our latest campaigns and initiatives. Please click on Data Protection at the bottom of the page to see our Data Protection Information.

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Mast Cell Action relies entirely on the generosity of people like you. Please make a donation now and together we can make a difference for sufferers of MCAS.

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