الكافي- ط الاسلامية, volume 4, page 109

1. Ali ibn Ibrahim has narrated from his father from and Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad all from Ibn Abi ‘Umayr from Hammad from af-Halabiy who has said the following: “I once asked abu ‘ Abd Allah (a.s.), about a man who applies cupping when he is fasting. He (the Imam) said, ‘I am afraid for him. Is he not afraid for himself?’ I asked, ‘What is feared for him?’ He (the Imam) said, ‘Fear from fainting or stir up of the gallbladder.’ I then asked, ‘What if he is strong and is not afraid of anything?’ He (the Imam) said, ‘Yes, if he likes.’”

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.

2. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Ali ibn al-Hakam from al-Husayn ibn abu al-‘Ala’ who has said the following: “I once asked abu ‘Abd Allah (a.s.), ‘Can a man apply cupping when he is fasting?’ He (the Imam) said, ‘Yes, if he is not afraid of weakness.’”

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.

3. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Ali ibn al-Hakam from al-‘Ala’ ibn Razin from Muhammad ibn Muslim who has said the following: “I once asked abu Ja‘far (a.s.), about a man who uses the bathhouse when fasting. He (the Imam) said, ‘It is not harmful as long as he is not afraid of becoming weak.’”

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.

4. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from al-Husayn ibn Sa‘id from al-Qasim ibn Muhammad from Ali ibn abu Hamzah from abu Basir who has said the following: “I once asked abu Ja‘far (a.s.), about a man who uses the bathhouse when fasting. He (the Imam) said, ‘It is not harmful.’”

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.