Fenazil
Brand names,
Fenazil
Analogs
Fenazil
Brand Names Mixture
- Phenergan VC Expectorant Syrup (Phenylephrine hydrochloride + Potassium guaiacol sulphonate + Promethazine hydrochloride)
Fenazil
Chemical_Formula
C17H20N2S
Fenazil
RX_link
http://www.rxlist.com/cgi/generic3/phenergan.htm
Fenazil
fda sheet
Fenazil
msds (material safety sheet)
Fenazil
Synthesis Reference
Charpentier, U.S. Pat. 2,503,451 (1950)
Fenazil
Molecular Weight
284.42 g/mol
Fenazil
Melting Point
60oC
Fenazil
H2O Solubility
Freely soluble
Fenazil
State
Solid
Fenazil
LogP
4.946
Fenazil
Dosage Forms
Tablet; Suppository; Opthalmic drops; Syrup
Fenazil
Indication
For the treatment of allergic disorders, itching, nausea and vomiting.
Fenazil
Pharmacology
Promethazine, a phenothiazine, is an H1-antagonist with anticholinergic, sedative, and antiemetic effects and some local anesthetic properties. Promethazine is used as an antiemetic or to prevent motion sickness.
Fenazil
Absorption
On average, 88% of a promethazine dose is absorbed after oral administration; however, the absolute bioavailability is only 25% because of first-pass clearance.
Fenazil
side effects and Toxicity
Symptoms of overdose include mild depression of the central nervous system and cardiovascular system to profound hypotension, respiratory depression, unconsciousness, and sudden death. Other reported reactions include hyperreflexia, hypertonia, ataxia, athetosis, and extensor-plantar reflexes (Babinski reflex). LD50=55mg/kg (I.V. in mice)
Fenazil
Patient Information
Fenazil
Organisms Affected
Humans and other mammals