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Phenergan

Phenergan

Promethazine

Promethazine tablets for allergies and motion sickness. It blocks histamine and dampens the brain's nausea signal.

Active ingredient
Promethazine
Route
Oral use
Form
Tablet
Strengths
25mg

This listing uses Phenergan as a reference name. A generic equivalent is supplied; its exact brand and manufacturer are confirmed before supply.

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

Promethazine tablets for allergies and motion sickness. It blocks histamine and dampens the brain's nausea signal.

Mechanism of action

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

Pregnancy and breastfeeding

Pregnancy: Use if potential benefits exceed risks. Breastfeeding: Not recommended.

What you will receive

Phenergan is used here as a reference originator brand name to identify the medicine. We are not affiliated with the brand owner, and this listing does not offer the originator product.

  • The supplied product is a generic equivalent containing Promethazine, not the originator brand shown as the reference.
  • The exact generic brand, manufacturer and dispatch location are confirmed based on the product, destination and available manufacturer or partner warehouse.
  • Check the final product details at checkout before confirming an order.

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