Does using a liquid wash through the vagina, or introducing liquid through a man's uret... - Jurisprudential Answers - Book of Fasting

Ahmed al-Hasan Response:

Introducing liquid through the front passage-the male or female genital passage-does not invalidate the fast. An intramuscular or intravenous injection also does not invalidate the fast, except for a nutritive injection, which does. A liquid enema through the anus, such as one used to clean the digestive tract for examination or treatment, invalidates the fast.