Is treating the sick person by slaughtering ( an animal) purely for the sake of Allaah permissible or not? Because I decided, after praying istikhaarah, that I should treat sickness caused by sihr (witchcraft), the evil eye and jinn possession, by offering a sacrifice purely for the sake of Allaah, in which I say my du’aa’ when offering the sacrifice: “O Allaah, accept it from Your slave, So and so the son of So and so, as You accepted it from Your slave and Your Prophet Ibraaheem (peace be upon him), and make it sincerely for Your sake. O Allaah, it is from You and to You.” I want to follow the words of the Messenger (blessings and peace of Allaah be upon him): “Treat your sick ones with charity, purify your wealth with zakaah, and respond to calamity with supplication and beseeching of Allaah.” And because the Prophet (blessings and peace of Allaah be upon him), when he was asked about ruqyah, said: “There is nothing wrong with ruqyah so long as it does not involve sin or shirk,” or words to that effect. I have found this way to be beneficial in treating disease, especially in the case of possession. Please advise us, may Allaah reward you: is treating sickness by means of offering a sacrifice permissible or not?.