decongestants can increase blood pressure and heart rate and increase the risk of heart attacks and strokes. pseudoephedrine is the primary oral decongestant available. in general if your blood pressure is well controlled with medications then a decongestant shouldn't be a problem as long as you monitor your blood pressure. this may not be true with certain types of blood pressure drugs. check with your doctor or pharmacist about what may be best for you.
is it safe to take a decongestant if i have high blood pressure?