Fenergan
Brand names,
Fenergan
Analogs
Fenergan
Brand Names Mixture
- Phenergan VC Expectorant Syrup (Phenylephrine hydrochloride + Potassium guaiacol sulphonate + Promethazine hydrochloride)
Fenergan
Chemical_Formula
C17H20N2S
Fenergan
RX_link
http://www.rxlist.com/cgi/generic3/phenergan.htm
Fenergan
fda sheet
Fenergan
msds (material safety sheet)
Fenergan
Synthesis Reference
Charpentier, U.S. Pat. 2,503,451 (1950)
Fenergan
Molecular Weight
284.42 g/mol
Fenergan
Melting Point
60oC
Fenergan
H2O Solubility
Freely soluble
Fenergan
State
Solid
Fenergan
LogP
4.946
Fenergan
Dosage Forms
Tablet; Suppository; Opthalmic drops; Syrup
Fenergan
Indication
For the treatment of allergic disorders, itching, nausea and vomiting.
Fenergan
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.
Fenergan
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.
Fenergan
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)
Fenergan
Patient Information
Fenergan
Organisms Affected
Humans and other mammals