Phenergan Elixir contains a medicine called promethazine hydrochloride. This belongs to a group of medicines called phenothiazines. It works by blocking a natural substance (histamine) that your body makes during an allergic reaction. It also works directly on the brain to help you feel more relaxed.

What Phenergan Elixir is used for

Phenergan Elixir is used to treat the following conditions:

• For short term use: to treat adults with difficulty sleeping (insomnia)
• To treat allergic conditions such as hay fever or rashes (like nettle rash or hives)
• To stop you feeling sick (nausea) or being sick (vomiting) such as travel sickness
• For short term use: as a sedative for children aged 2 years and above