An effective threadworm treatment for the family - contains 4 tablets to be taken orally. One tablet per person.n One dose of Ovex Tablet is enough to kill threadworms but it is strongly advised that the whole family take a tablet as it does not kill the eggs and therefore may spread. DO NOT USE IF PREGNANT OR UNDER 2 YEARS OF AGE. If symptoms persist, consult with your GP. If re-infection occurs a second dose can be taken after 2 weeks.nSuitable for the treatment of threadworms (Enterobius vermicularis)nContains Mebendazole 100 mg per tablet