Tizanidine usually starts to work within one to two hours and wears off after about six to eight hours. This medicine can make you feel sleepy, dizzy, or weak. Be sure to take it at a time when you don't have to be alert.

Is tizanidine still good after expiration date?

medicine after you have finished your treatment. You will also need to throw away old medicine after the expiration date has passed. Keep all medicine away from children and never share your medicine with anyone.

How long before tizanidine expires?

This medication usually starts to work in 1 to 2 hours and wears off after 6 to 8 hours. Tizanidine can be taken every 6 to 8 hours, but you should not take more than 36 milligrams a day or more than 3 doses in 24 hours.