LACTIC ACID; CITRIC ACID; POTASSIUM BITARTRATE (LAK tuhk AS id; SIH trik AS id; poe TASS ee um bi TAAR treit) can prevent pregnancy when used right before vaginal sex. It works by lowering the pH (acid-base) of the vagina, which prevents sperm from reaching an egg. It belongs to a group of medications called contraceptives. It does not prevent HIV or other sexually transmitted infections (STIs).

There is no lifestyle interaction information available for this medication.