Combination Q is a homeopathically prepared biochemic tissue salt remedy for Catarrh and Sinus problems If you are already receiving treatment, tell your doctor you are also taking this product. Adults: 4 tablets. Children: 2 tablets. Tablets to be dissolved on the tongue. Take 3 doses a day. Increase dose to every half hour if needed. Ingredients for Q Catarrh Sinus Disorders Tissue Salts Active Constituents (in homeopathic potencies), equal proportions. Ferr. Phos. (iron phosphate B.P.C.) 6X, Kali mur. (pottasium chloride ph. Eur.) 6X, Kali sulph. (potassium sulphate B.P.C 1949) 6X, Nat. mur. (sodium chloride ph.eur.) 6X.