Pheniramine

Pheniramine
Clinical data
AHFS/Drugs.com	International Drug Names
Pregnancy; category	AU: A;
Routes of; administration	Oral; injection (intramuscular or slow intravenous); topical (ophthalmic/nasal solution)
ATC code	D04AA16 (WHO) R06AB05 (WHO);
Pharmacokinetic data
Metabolism	Hepatic hydroxylation, demethylation and glucuronidation
Elimination half-life	16 - 19 hrs (oral), 8 - 7 hrs (i.v.)
Excretion	Renal
Identifiers
	IUPAC name N,N-Dimethyl-3-phenyl-3-pyridin-2-yl-propan-1-amine;
CAS Number	86-21-5 ;
PubChem CID	4761;
IUPHAR/BPS	7267;
DrugBank	DB01620 ;
ChemSpider	4597 ;
UNII	134FM9ZZ6M;
KEGG	D08355 ;
ChEMBL	ChEMBL1193 ;
CompTox Dashboard (EPA)	DTXSID0023454 ;
ECHA InfoCard	100.001.506
Chemical and physical data
Formula	C16H20N2
Molar mass	240.350 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES n1ccccc1C(c2ccccc2)CCN(C)C;
	InChI InChI=1S/C16H20N2/c1-18(2)13-11-15(14-8-4-3-5-9-14)16-10-6-7-12-17-16/h3-10,12,15H,11,13H2,1-2H3 ; Key:IJHNSHDBIRRJRN-UHFFFAOYSA-N ;
	(verify)

Pheniramine (trade name Avil among others) is an antihistamine with anticholinergic properties used to treat allergic conditions such as hay fever or urticaria. It has relatively strong sedative effects, and may sometimes be used off-label as an over-the-counter sleeping pill in a similar manner to other sedating antihistamines such as diphenhydramine. Pheniramine is also commonly found in eyedrops used for the treatment of allergic conjunctivitis.

It was patented in 1948. Pheniramine is generally sold in combination with other medications, rather than as a stand-alone drug, although some formulations are available containing pheniramine by itself.

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