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:
- 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: to treat adults with difficulty sleeping (insomnia)
- For short term use: as a sedative for children aged 6 years and above.
Phenergan Elixir 5mg/5ml 100ml
Do not take this medicine if any of the below applies to you.
If you are not sure, talk to your doctor or pharmacist before taking Phenergan Elixi
The person taking the medicine is under 6 years of age
You are allergic (hypersensitive) to promethazine hydrochloride or any of the other ingredients of this medicine (listed in Section 6)
The signs of an allergic reaction include: a rash, swallowing or breathing problems, swelling of your lips, face, throat or tongueYou are taking a medicine for depression called a monoamine oxidase inhibitor (MAOI). Also do not take Phenergan Elixir if you have stopped taking one of these MAOI medicines within the last 14 days. If you are not sure ask your doctor or pharmacist (see ‘Other medicines and Phenergan Elixir’)
The person is unconscious (in a coma) or suffers from severe dizziness, drowsiness or headache

















