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