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