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