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International

05 November, 2026

Kenyan pharmacists have warned women against inserting allergy tablets into their vaginas in an attempt to make them tighter, following the spread of potentially dangerous medical advice on social media.

The warning follows a wave of social media posts promoting cetirizine - a widely available oral antihistamine used to treat allergies - as a way of tightening the vagina, supposedly to enhance sexual pleasure.

Although antihistamines can sometimes cause dryness as a side effect, experts say this does not strengthen vaginal muscles.

Cetirizine is commonly used to relieve symptoms such as sneezing, a runny nose, itchy eyes and skin reactions, including hives. The controversy began earlier this week when posts circulated on TikTok claiming that cetirizine could reduce vaginal moisture and create a sensation of tightness during sex.