Kenyan pharmacists have warned women not to insert antihistamine tablets into their vaginas in order to tighten them, following the spread of potentially hazardous medical advice on social media.
This caution comes after numerous social media posts began promoting cetirizine, an over‑the‑counter oral antihistamine for allergies, as a method to tighten the vagina and improve sexual pleasure.
While antihistamines may cause dryness as a side effect, experts state that this does not strengthen vaginal muscles.
“Dryness does not equate to tightness; rather, it can increase friction, cause discomfort, and raise the risk of tissue injury,” the Pharmaceutical Society of Kenya (PSK) stated.
“Taking oral tablets is unsafe. Cetirizine tablets are intended for oral use, and their components have not been evaluated for vaginal tissue,” it added.
Cetirizine is commonly used to alleviate symptoms such as sneezing, a runny nose, itchy eyes, and skin reactions like hives.
The controversy emerged earlier this week when TikTok posts claimed that cetirizine could reduce vaginal moisture and produce a sensation of tightness during intercourse.
This generated extensive debate, with some users advocating the practice while others raised safety concerns.
Local media have also reported rising drug prices and heightened demand in certain pharmacies, particularly in Nairobi.
“Cetirizine is an oral allergy medication; it is not approved or tested for any other purpose, and certainly not for vaginal use,” the PSK, the professional pharmacists’ association in Kenya, said in a Thursday statement.
“If you have already used it, stop immediately and consult a doctor if you experience pain, bleeding, burning, itching, unusual discharge, or fever,” it advised.
The society also urged social media influencers and content creators to exercise caution when sharing health information, noting that unverified claims could endanger public health.
The warning follows a day after Kenya’s health ministry voiced concern about the trend.
Ouma Oluga, a senior health official, said some social media users treated expert medical advice as a joke, disregarding potential consequences.
He suggested that authorities could implement a system to track medicine distribution and purchases to help identify possible misuse.
Nevertheless, no formal decision has yet been announced regarding this initiative.
The PSK said it was aware of reports indicating increased demand for cetirizine, rising prices, and occasional shortages at some pharmacies.
It urged retailers not to exploit the trend, warning that individuals who truly need the medication for allergies may encounter difficulties obtaining it.
It encouraged its members not to knowingly dispense medicines that could be misused and to report any adverse effects to the appropriate health authorities.
The PSK concluded that unverified online trends should never outweigh expert guidance: “Consult a pharmacist before using any medication for a purpose it was not intended for, and do not rely on social media for medical advice.”
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