Pharmacists have issued a health warning after viral social media posts encouraged women to insert allergy tablets into their vaginas.

The bizarre craze involves cetirizine, the active ingredient in Zyrtec, commonly taken to relieve hay fever, hives, and runny noses.

Online videos claim the medicine dries up vaginal moisture to create a tighter sensation during sex. However, medical professionals warn that confusing dryness with muscle tightness is medically false and physically dangerous.

'Cetirizine is an allergy medicine, taken by mouth,' the Pharmaceutical Society of Kenya stated in a public warning. 'It is not approved or tested for any other purpose, and definitely not for vaginal use.'

The society added: 'Dryness is not tightness. Instead, it may increase friction, discomfort, and the risk of tissue injury.'

Health Experts Debunk Dangerous Vaginal Tightening Claims

The viral trend spread on TikTok, where creators falsely promoted the allergy drug as an intimate enhancement. Medical experts explain that antihistamines reduce bodily secretions by blocking natural histamine responses. However, this drying side effect does not alter vaginal anatomy or strengthen surrounding pelvic muscles.

Dr Mercy Kay, a pharmacist based in Nairobi, addressed the widespread misconception directly on social media. 'Tightening of the vagina doesn't come from being dry, it comes from your pelvic floor,' Dr Kay said. 'Your vagina's natural moisture is there to protect you.'

Dr Wambui Gichigi, a pharmacist in Kiambu, also cautioned women against treating drug side effects as medical benefits. 'Please ladies, a drug causing a side effect does not make that effect a treatment,' Dr Gichigi warned. 'Lubrication is not something that you need your body to lose to be healthier or desirable.'

Read more

Severe Risks of Tissue Damage and Bacterial Infections

Cetirizine tablets are designed to be swallowed and have not been tested for vaginal use. The Pharmacy and Poisons Board warned that inserting them could cause irritation, burning, soreness and pain, as well as disrupt the vagina's natural protective environment and increase the risk of infection.

Dr Wairimu Njuki, President of the Pharmaceutical Society of Kenya, warned against the misuse of cetirizine. 'Medicine when it is not used in the right way, it becomes a poison,' Dr Mbogo said.

She explained that oral tablets cause severe infections, stating: 'Dryness is equals to discomfort. So maybe that discomfort is what they are equating to some level of tightness, and it is wrong.' Dr Mbogo urged immediate cessation of the practice:

'The first immediate health advice—first of all, stop. Don't do it.'

Shortages and Price Spikes Hit Pharmacies Across Kenya

The viral craze has created serious public health problems across Kenya, particularly in the capital, Nairobi. Surging demand has stripped pharmacy shelves, driving up prices and leaving allergy sufferers struggling to access basic medication.

Senior health official Ouma Oluga criticised social media users for treating serious medical warnings like a joke. The government is now reviewing medicine tracking systems to curb unauthorised sales and drug misuse. The Pharmaceutical Society urged retailers not to exploit vulnerable customers for profit.

'Check with a pharmacist before using any medicine for a purpose it was not made for,' the society advised. Health authorities recommend that anyone experiencing burning, itching, bleeding, or unusual discharge seek medical care immediately.

'Healthcare professionals have been taught not to judge,' Dr Mbogo said. 'So trust them. Go to them.'

Read more