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