Drug details

Promethazine HCl (promethazine hydrochloride)

type of

Promethazine hydrochloride is a phenothiazine used to treat or prevent nausea and vomiting caused by anesthesia or surgery, certain types of allergic reactions, pain caused by surgery or childbirth, and to sedate patients before surgery or medical procedures. Promethazine injection is usually given when a person cannot take the medication orally (by mouth). Promethazine hydrochloride is available in generic form.

This drug may have the following side effects:

• nausea,
• dizziness,
• blurred vision,
• vomiting,
• dry mouth,
• drowsiness,
• insomnia,
• faintness,
• hives, 
• confusion, 
• stuffy nose,
• ringing in the ears,
• fatigue,
• skin rash or itching,
• tired feeling,
• hallucinations, 
• disorientation,
• fast or slow heart rate,
• problems with balance or coordination,
• feeling nervous or shaky, tremors,
• increased or decreased blood pressure,
• sensitivity of skin to sunlight,
• yellow skin or eyes (jaundice), and
• asthma.

The following drugs are related to Promethazine HCl, either as a replacement or used together:

• Barhemsys (amisulpride injection, for intravenous use)
• Xtrelus (hydrocodone bitartrate and guaifenesin tablets)