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