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Phenergan

Promethazine

Designed to support clinical sedation and gastrointestinal rest to manage motion sickness and alleviate allergic distress.

Active ingredient
Promethazine
Route
Oral use
Form
Tablet
Strengths
25mg

You will receive a quality generic equivalent of Phenergan, depending on stock.

Prescription and consultation requirements for Phenergan vary by destination and are determined by the fulfilment partner.

Phenergan details

Alternative names
promethazine
Therapeutic class
Phenothiazine Antihistamine; Antiemetic
Pharmacological class
First-Generation Antihistamine
Known off-label uses
preoperative sedation
Contraindications
children under two years; comatose states; severe respiratory depression
Minor side effects
somnolence; dry mouth; dizziness
Moderate side effects
constipation; blurred vision; tachycardia
Dosage forms
Tablet
Administration route
Oral use
Supply category
Prescription-only medicine (POM)
Originator
Wyeth
Onset Time
20–30 minutes
Duration
4–12 hours
Storage instructions
Store below 25°C.
Drug interactions
Alcohol; CNS Depressants; Anticholinergics
Age restrictions
Contraindicated in children under two years due to fatal respiratory risk.
Serious side effects

severe respiratory depression, requires immediate medical attention; neuroleptic malignant syndrome, requires immediate medical attention

Patient summary

designed to support clinical sedation and gastrointestinal rest to manage motion sickness and alleviate allergic distress.

Mechanism of action

Blocks central H1 histamine receptors and dopamine receptors in the CTZ, reducing motion sickness and allergic flares.

Pregnancy and breastfeeding

TGA Category C: Use if potential benefits exceed risks. Breastfeeding: Not recommended.

What you will receive

Phenergan is the originator brand name, made by Wyeth. We use it to identify the medicine and are not affiliated with Wyeth.

  • The fulfilment partner confirms whether the exact brand or an equivalent containing Promethazine is offered.
  • The offered brand, manufacturer and dispatch location depend on the product, destination and partner warehouse.
  • Check the final product details at checkout before confirming an order.

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