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