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