Dichloralphenazone is a 1:2 mixture of antipyrine with chloral hydrate. Phenazone is an analgesics. ... Chloral hydrate, also known as trichloroacetaldehyde monohydrate, 2,2,2-trichloro-1,1-ethanediol, and under the tradenames Aquachloral, Novo-Chlorhydrate, Somnos, Noctec, and Somnote, is a sedative and hypnotic drug as well as a chemical reagent and precursor. ...
Dichloralphenazone is a sedative that slows down your central nervous system (brain and nerve impulses), causing relaxation and pain relief.
The combination, acetaminophen, dichloralphenazone, and isometheptene, is used to treat tension (or muscle contraction) and vascular (migraine) headaches.
Dichloralphenazone may increase the effects of other drugs that cause drowsiness, including antidepressants, alcohol, antihistamines, sedatives (used to treat insomnia), pain relievers, anxiety medicines, and muscle relaxants.
Dichloralphenazone is a sedative typically used in combination with isometheptene mucate and acetaminophen in formulating prescription pharmaceuticals for the relief of tension and vascular headaches.
Dichloralphenazone must be manufactured, distributed and stored in accordance with 21 CFR 1301.71, 1301.72(b), (c), and (d), 1301.73, 1301.74, 1301.75(b) and (c) and 1301.76 after date of publication of the final rule in the Federal Register.
Commercial containers of dichloralphenazone packaged before 180 days from date of publication of the final rule in the Federal Register and not meeting the requirements specified in 21 CFR 1302.03-1302.07 may be distributed until 270 days from date of publication of the final rule in the Federal Register.