The Medication for Jaundice

Hammad b. Mihran al-Balkhi said: We frequently visited Al-Ridha’, peace be upon him, in Khurasan. One day a youth among us complained of jaundice (al-yaraqan). He [Al-Ridha’] said: “Take cucumber (khiyar) and peel it. Cook the peel in water and drink one ratl of it every day for three days, on an empty stomach.” The youth informed us later that he treated a friend of his twice with the remedy and he recovered, by the will of Allah, the Exalted.