Mygrex pain reliever and decongestant is advanced relief for sinus headaches. This professional strength pain reliever relieves nasal congestion and aches and pains from hay fever allergies, common cold, headache and minor aches and pains. Mygrex shrinks swollen membranes and will not thin the blood. Contains Acetaminophen and Phenylephrine Hydrochloride. Unit dose packages of pain relief, 150 packages of 2 tablets per box.