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Promethazine Tablets

Promethazine Tablets

Promethazine

Promethazine tablets for allergic rhinitis and motion sickness. A sedating antihistamine, so it is often taken at night to avoid daytime drowsiness.

Active ingredient
Promethazine
Route
Oral use
Form
Tablet
Strengths
25mg

The exact manufacturer offered is confirmed by the fulfilment partner before supply.

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

Promethazine Tablets details

Alternative names
phenergan
Therapeutic class
Phenothiazine Antihistamine; Antiemetic
Pharmacological class
First-Generation Antihistamine
Known off-label uses
insomnia
Contraindications
children under two years; comatose states; severe respiratory depression
Minor side effects
drowsiness; dry mouth; headache
Moderate side effects
blurred vision; constipation; tachycardia
Serious side effects
fatal respiratory depression, requires immediate medical attention
Dosage forms
Tablet
Administration route
Oral use
Supply category
Prescription-only medicine (POM)
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 of age.
Pregnancy and breastfeeding
Pregnancy: Use with caution. Breastfeeding: Not recommended.
Patient summary

Promethazine tablets for allergic rhinitis and motion sickness. A sedating antihistamine, so it is often taken at night to avoid daytime drowsiness.

Mechanism of action

Blocks peripheral H1 receptors and central dopamine pathways, resolving allergic flares and emetic trigger cascades.

What you will receive

Promethazine Tablets is a generic medicine sold under the name of its active ingredient, Promethazine, rather than under a brand.

  • The fulfilment partner confirms the offered manufacturer and product before supply.
  • Check the active ingredient, strength, form and pack shown at checkout before confirming an order.

How we compare medicine brands and generics