How long does chlorothiazide work?
Score: 4.2/5 (69 votes) Chlorothiazide will have most of its effects (more urination) within the first 6 hours after taking it, but some people will find it lasts for up to 12 hours. How long does it take for chlorothiazide to work? Chlorothiazide will start working after about 2 hours, causing you ...