UK registered pharmacy
UK licensed treatments
Trusted by over 1.5 million people
Ovex treats threadworms in family households. Threadworms are a common type of parasitic worm that can be spotted in the stools of young children. Other signs of threadworms include:
In rare cases, threadworms can also cause:
While it’s more common for children to get threadworms, they’re contagious and can be spread across an entire family if they’re not treated. Threadworms lay eggs around the anus, which causes itching. The eggs then get stuck on your fingers after scratching, and can be passed on to anything you touch, including food. The eggs then hatch when swallowed, allowing the threadworms to spread further.
Mebendazole, the active ingredient in each dose of Ovex, is an anthelmintic — a type of medication used to treat parasitic worm infestations. It works by preventing the worms from using glucose in the body, which they need in order to survive. Without glucose, their energy levels deplete and they die within a few days.
In most instances, threadworms will die within a few days of taking Ovex. It’s important to remember, however, that while the threadworms in your body will die, eggs that have already passed to surfaces in the household won’t. In fact, threadworm eggs can survive for as long as two weeks outside the human body. That’s why, after taking the treatment, it’s crucial to:
The regular family pack contains four single dose tablets — one for each member of the family. Each family member should take their tablet with water at the same time. Tablets may be chewed or swallowed whole.
Ovex may cause side effects in some people, though these are usually mild. They include:
In rare cases, Ovex may cause serious side effects. Call a doctor immediately if you experience:
Always read the patient information leaflet before commencing treatment.
View patient information leaflet.Impressively quick service. Easy site to navigate and meds delivered by reliable Royal Mail, so well pleased. Thank you!
Great service, easy to navigate the questionnaire and far quicker service than waiting for the NHS services to approve and dispens...
Full information, quick delivery, follow up email. Professional would not purchase from anyone else.
Fantastic service and very fast delivery, very happy with this service.
Great prices and service. Delivered on time, every time. 10/10.
Very fast delivery, I am happy with the speed that I got to order what I needed and fast delivery, really needed to start taking t...
Such an easy way to get medication quickly. Superb service and quick delivery. I couldn’t even get through to my Drs so although t...
Extremely professional, competitively priced, quick delivery
Fantastic and quick response, no hassle trying to get a doctor appointment, thanks MedExpress.
I have used them many times & the procedure is very easy & the delivery very quick.
This is a brilliant service and so quick and efficient. I would have had to wait god knows how long for a GP appointment for this ...
Checked properly by a doctor before medication was prescribed and aftercare very good. Received yesterday kept up to date with the...
Very quick to dispatch and customer service excellent
Trustworthy, professional and speedy delivery service. I have used this pharmacy a few times and I would recommend!
Good prices, communication and speed of delivery.

No GP or pharmacy visits, just a quick online consultation.
No GP or pharmacy visits, just a quick online consultation. Share your symptoms and a brief medical history in around two minutes, all from the comfort of your home.

Select from our recommended UK-licensed medications.
Select from our recommended UK-licensed medications. You don’t need an existing prescription.

We’ll deliver direct to you.
We’ll deliver direct to you. We always use discreet logo-free packaging, so only you know what’s inside. After it arrives, get ongoing support from our team.
Usually delivered the next working day
Guaranteed next working day by 1pm
Guaranteed next working day by 9am
Usually collection next working day