How long does hydroxychloroquine stay in your system?
Mia Lopez
Updated on March 11, 2026
A drug's half-life is the amount of time it takes for your body to get rid of half of a drug's dose. The half-life of Plaquenil is about 40 to 50 days. In other words, it takes about 40 to 50 days for your body to get rid of half of a dose of Plaquenil.