- Phrenilin
- Phren·i·lin (frenґĭ-lin) trademark for a combination preparation of butalbital and acetaminophen.
Medical dictionary. 2011.
Medical dictionary. 2011.
Fioricet — and Esgic are brand name drugs made from a combination of butalbital (a barbiturate, 50 mg), acetaminophen (325 mg), and caffeine (40 mg). They are indicated for the treatment of tension headaches and muscle contraction headaches. Although not… … Wikipedia
Butalbital — Systematic (IUPAC) name 5 (2 methylpropyl) 5 (2 propenyl) 2,4,6(1H,3H,5H) pyrimidinetrione Clinical data AHFS/Dru … Wikipedia