How long should z-pak 1000mg take to work?

Not an easy question: If you are talking about a 1000mg single dose for sexually transmitted diseases (std), i would recommend you wait and be retested before resuming activity. The type and how long you were infected may be determining factors. Again, consult your physician before resuming activity.

A few days: Although it depends on the type and severity of infection, you should notice improvement of symptoms about 3-4 days after starting an antibiotic. You should always complete the entire course of antibiotic even if symptoms improve before complete. And if your symptoms do not improve in this time period, contact your physician.

Answer: Zpack usual direction is a 5 day treatment with 500 mg on day 1 and 250 mg on day 2 to day 5. There's also special treatment s with that same drugs but not in a zpack format.