Narrated Aisha, Ummul Mu'minin: The man casting evil would be commanded to perform ablution, and then the man affected was washed with it.

‘Awf b. Malik said: In the pre-Islamic period we used to apply spells and we asked: Messenger of Allah! how do you look upon it? He replied: Submit your invocations to me. There is no harm in invocations so long as there is no polytheism in them.

Narrated Usamah ibn Sharik: I came to the Prophet (ﷺ) and his Companions were sitting as if they had birds on their heads. I saluted and sat down. The desert Arabs then came from here and there. They asked: Messenger of Allah, should we make use of medical treatment? He replied: Make use of medical treatment, for Allah has not made a disease without appointing a remedy for it, with the exception of one disease, namely old age.

Narrated Umm al-Mundhar bint Qays al-Ansariyyah: The Messenger of Allah (ﷺ) came to visit me, accompanied by Ali who was convalescing. We had some ripe dates hung up. The Messenger of Allah (ﷺ) got up and began to eat from them. Ali also got up to eat, but the Messenger of Allah (ﷺ) said repeatedly to Ali: Stop, Ali, for you are convalescing, and Ali stopped. She said: I then prepared some barley and beer-root and brought it. The Messenger of Allah (ﷺ) then said: Take some of this, Ali, for it will be more beneficial for you. AbuDawud said: The narrator Harun said: al-Adawiyyah (i.e. Umm al-Mundhar).

Narrated Abu Hurayrah: The Prophet (ﷺ) said: The best medical treatment you apply is cupping.

Narrated Salmah: the maid-servant of the Messenger of Allah (ﷺ), said: No one complained to the Messenger of Allah (ﷺ) of a headache but he told him to get himself cupped, or of a pain in his legs but he told him to dye them with henna.

Narrated Abu Kabshah al-Ansari: The Messenger of Allah (ﷺ) used to have himself cupped on the top of his head and between his shoulders, and that he used to say: If anyone pours out any of his blood, he will not suffer if he applies no medical treatment for anything.

Narrated Anas ibn Malik: The Prophet (ﷺ) had himself cupped three times in the veins at the sides of the neck and on the shoulder. Ma'mar said: I got myself cupped, and I lost my memory so much so that I was instructed Surat al-Fatihah by others in my prayer. He had himself cupped at the top of his head.

Narrated Abu Hurayrah: The Prophet (ﷺ) said: If anyone has himself cupped on the 17th, 19th and 21st it will be a remedy for every disease.

Narrated Kabshah daughter of AbuBakrah: (the narrator other than Musa said that Kayyisah daughter of AbuBakrah) She said that her father used to forbid his family to have themselves cupped on a Tuesday, and used to assert on the authority of the Messenger of Allah (ﷺ) that Tuesday is the day of blood in which there is an hour when it does not stop.

Narrated Jabir ibn Abdullah: The Messenger of Allah (ﷺ) had himself cupped above the thigh for a contusion from which he suffered.

Narrated Jabir ibn Abdullah: The Prophet (ﷺ) sent a physician to Ubayy (ibn Ka'b), and he cut his vein.

Narrated Imran ibn Husayn: The Prophet (ﷺ) forbade to cauterise; we cauterised but they (cauterisation) did not benefit us, nor proved useful for us. Abu Dawud said: He used to hear the salutation of the angels: When he cauterized, it stopped. When he abandoned, it returned to him.

Jabir said: The Prophet (ﷺ) cauterized Sa’d b. Mu’adh from the wound of an arrow.

Ibn’Abbas said: The Messenger of Allah (ﷺ) snuffed medicine.

Narrated Jabir ibn Abdullah: The Messenger of Allah (ﷺ) was asked about a charm for one who is possessed (nashrah). He replied: It pertains to the work of the devil.

Narrated Abdullah ibn Amr ibn al-'As: I heard the Messenger of Allah (ﷺ) say: If I drink an antidote, or tie an amulet, or compose poetry, I am the type who does not care what he does. Abu Dawud said: THis was peculiar to the Prophet (ﷺ), but some people have allowed to use it, i.e. antidote.

Narrated Abu Hurayrah: The Messenger of Allah (ﷺ) prohibited unclean medicine.

Narrated AbdurRahman ibn Uthman: When a physician consulted the Prophet (ﷺ) about putting frogs in medicine, he forbade him to kill them.

Abu Hurairah reported the Messenger of Allah (ﷺ) as saying: If anyone drinks poison, the poison will be in his hand (on the Day of Judgement) and he will drink it in Hell-fire and he will live in it eternally.