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Promethazine

Promethazine (Phenergan) is a sedating antihistamine used for allergic conditions, nausea and motion sickness. This catalogue includes Phenergan and Promethazine Tablets, both supplied as tablets.

Phenergan

Allergic States, Motion Sickness

25mg

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

From$0.67/ tabletView

Promethazine Tablets

Allergic Rhinitis, Motion Sickness

25mg

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

From$1.02/ tabletView

Key points

  • Children under two: Promethazine is not suitable for children younger than two years because it can cause fatal respiratory depression.
  • Injection warning: Promethazine injection has been linked to severe chemical irritation and tissue damage, including gangrene, tissue necrosis and thrombophlebitis.

The tablet products listed here

The catalogue includes Phenergan, listed with Wyeth as its originator, alongside Promethazine Tablets. These two tablet products contain promethazine, the sedating antihistamine named on this page.

Further reading