Allergic Disorder • Adults: One to three 25mg tablets as a single dose at night, or one to two 10mg tablets, two to three times daily
5–25 mg to relieve anxiety and promote sleep the night before surgery
Phenergan is a brand (trade) name for promethazine which may be used to
In the UK you can buy Phenergan from pharmacies
It's available to buy without a prescription from a
The medicine can help you to fall asleep at night, when taken according