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Why Do I Keep Getting Utis After Sex?
Understanding Post-Coital Infections
March 31st, 2026
Why Do I Keep Getting Utis After Sex?
Post-coital UTIs occur because sexual activity can push bacteria from the anal area and external genitals into the urethra. Women are particularly susceptible due to their shorter urethra (about 1.5 inches) compared to men's 8-inch urethra. During intercourse, friction and movement create opportunities for E. coli and other bacteria to travel upward into the bladder. Hormonal changes can also reduce natural protective barriers. Simple prevention strategies include urinating within 30 minutes after sex to flush out bacteria, staying hydrated, and maintaining proper hygiene. Some people benefit from preventive antibiotics prescribed by their healthcare provider for recurrent infections.
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