Can hives be prevented?

Can hives be prevented?

Making lifestyle adjustments that limit or avoid hive flare-up triggers are most often the best way to reduce the likelihood of an outbreak or recurrences. It is not always possible to completely prevent a hive outbreak experience.

A diagnosed allergy (or known cause such as medications, environmental factors, foods or exposure to certain pets) is one-way triggers can be easily avoided. (16) Treatment for specific allergies can also help to reduce risk and alleviate outbreaks.

If a cause is not entirely known, and frequent flare-ups occur, keeping a journal or diary which draws parallels between ‘cause and effect’ (e.g. food consumed and a possible reaction) may help to identify and thereby avoid potential triggers.

For solar hives, protective measures can include:

  • Careful management of sun exposure (refraining from being out in the sun when at its strongest – often between 10 am (17) and 4 pm, and gradually increasing time outdoors during the in-between months – spring and autumn or fall – to try and better adapt to stronger sunlight exposure).
  • Wearing lightweight or closely woven clothing which provides maximum coverage (long pants or skirts and sleeved garments).
  • Wearing clothing which has a UPF (ultraviolet) protection factor of at least 40, as well as a sunscreen (broad-spectrum) approved by a treating medical professional (and applied regularly).
  • Making use of anti-sun aids such as sunglasses, hats with a broad brim and umbrellas.



16. Medline Plus. August 2018. Hives: [Accessed 29.08.2018]
17. Harvard Health Publishing - Harvard Medical School. January 2014. Sun Allergy (Photosensitivity): [Accessed 29.08.2018]


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