The Use of IMITREX Tablets During Pregnancy: Do not use IMITREX Tablets if you are pregnant, think you might be pregnant, are trying to become pregnant, or are not using adequate contraception, unless you have discussed this with your jeftini imitrex sales doctor. Rare were muscle atrophy, weakness, and arthralgia and articular acquired musculoskeletal muscle stiffness, tightness, and and musculoskeletal inflammation. Furthermore, variability associated with adverse event reporting, the terminology used to describe adverse events, etc. Are there additional great links about Imitrex Dosage that we should add here? Please provide your email. When and How to Take Imitrex Some general considerations for when and how to take the medication include: Imitrex comes in tablets, nasal spray, and an injection. If your doctor decides to stop your treatment, do not keep any leftover medicine unless your doctor tells you to. This drug should not be taken with the following medication because very serious interactions may occur: certain weight loss drug sibutramine.