Do not use this medicine if you are allergic to ephedrine or any other ingredients in it.
Tell your doctor if you have high blood pressure, heart problems, diabetes, an overactive thyroid, glaucoma (high eye pressure), an enlarged prostate, or poor kidney function.
If you are pregnant or planning to be pregnant, tell your doctor. This medicine is given to pregnant women only if the doctor says it is absolutely necessary.
Do not breastfeed for two days after getting this medicine.