Hi Komala garu, there are a number of excellent medicines in Homoeopathy to cure Headaches completely without any side effects.  Some of those are Nat.Mur, Gelsemium, Glonine, Belladonna.. Bryonia, Iris Versicolor, Ignatia, NuxVomica etc. But selection of the remedy depends on cause, type of headache, onset, are there any associated symptoms like nausea, vomiting, giddiness, restlessness, heaviness of the head etc. Please provide us contact details, and will explain medicines online. Otherwise call on +918885920000, to know more details about medication. “A Healthy outside starts from the inside”. Stay Healthy with one of the “Best Homeopathic treatments” @ Dr. AnkiReddy’s clinic.