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