This systematic review looks at methods of ‘barrier protection’ or ‘barrier-enforcing’ to minimise allergic rhinitis symptoms, using 15 RCTs. Whilst the authors admit that patient numbers were small in a number of these studies, generally it seems that barrier techniques are effective in managing allergic rhinitis symptoms. This is worth a mention as barrier methods are less frequently used in my experience, when compared to saline, nasal steroids and antihistamines and so it is an additional management option we can consider discussing with patients to treat or manage their troublesome symptoms.
Prevention better than cure?
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