Phenergan
Promethazine tablets for allergies and motion sickness. It blocks histamine and dampens the brain's nausea signal.
- Category
- Sleep Management
- Active ingredient
- Promethazine
- Route
- Oral use
- Form
- Tablet
- Strengths
- 25mg
Phenergan is the reference name. You receive a generic with the same active ingredient and strength.
Supply requirements for Phenergan depend on the medicine and destination. The fulfilment partner must confirm them before accepting an order.
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 names the medicine you are looking for. What ships is a generic version of it.
- A generic containing Promethazine at the strength you pick.
- Which generic brand and maker ships depends on stock and destination.
- Check the active ingredient, strength, form, pack, seal, batch and expiry when it arrives.