The Case of a Fasting Person’s Sniffling or Use of Eardrops or Enema

6. Ahmad ibn Muhammad from has narrated from Ali ibn al-Husayn from Muhammad ibn al-Husayn from his father who has said the following: “I once wrote to abu al-Hassan and asked about one’s performing an enema when fasting. He (the Imam) wrote back, ‘It is not harmful with a solid substance (as opposed to liquid).”’