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