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