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