Why Choose Combantrin-1? Combantrin-1 offers the simplicity of a one-tablet or one single-chocolate square treatment for threadworm, from the Combantrin name you know & trust. All it takes is one tablet or square, once only for each member of your family, regardless of body weight. Combantrin-1 comes in pleasant tasting orange-flavoured tablets which may be chewed or swallowed with fluid & also in tasty chocolate squares. Combantrin-1 may be used by all members of the family from 2 years of age. IMPORTANT: If you wish to treat a child under 2 years of age with Combantrin-1, or are pregnant & wish to treat yourself, please consult your GP for advice. How Combantrin-1 works Combantrin-1 kills threadworm in a single dose - one tablet or square, once only. All human worming products will only treat adult worms present in the intestine at the time of taking the medication. They will not treat the eggs or immature worms and will not protect you or your children f Combantrin-1 Chocolate Squares X 4.