
Phenergan
Promethazine tablets for allergies and motion sickness. It blocks histamine and dampens the brain's nausea signal.
- Categories
- Sleep Management · Pain & Anti-inflammatories · Allergy Relief
- 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
- Conditions
- Allergic States · Motion Sickness · Nausea and Vomiting
- 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.