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Drug Guide
 
 

Promethazine

 
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    Oral / IM
    Promethazine
    Phenergan 
  • Mechanism of Action

  • Inverse agonist to histamine H1 receptors, having the opposite effect of histamine.
  • Pharmacology

  • Readily crosses the blood-brain barrier, resulting in drowsiness as a side effect.

Clinical Use

  • Indications
  • Allergic rhinitis
  • Urticaria
  • Motion sickness
  • Nausea / vomiting
  • Sedation
  • Adverse Effects
  • Drowsiness
  • Headache
  • Dry mouth
  • Fatigue
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