Sominex Tablets are a treatment for short term insomnia, helping you to drop off for some restful sleep when you’re struggling with sleepless nights.

What causes insomnia?

Insomnia is very common and has lots of different causes. Short term insomnia can be irritating but is usually nothing to worry about, some of the most common reasons why you may be struggling to fall asleep or stay asleep include:

  • Stress, anxiety, or depression.
  • Uncomfortable bed.
  • Body temperature too hot or too cold.
  • Noisy environment.
  • Jet lag.
  • Shift work.
  • Drinking alcohol or caffeinated drinks.
  • Smoking.
  • Recreational drugs.
  • Some medications.
  • Some medical conditions.

How will Sominex help relieve my insomnia?

Sominex contains an antihistamine as its active ingredient which can make you feel sleepy. It makes you feel drowsy, helping to reduce the amount of time it takes for you to fall asleep, which is ideal if you’re struggling to drop off to sleep at night.

Directions for use:

Adults and children over the age of 16: Take one tablet at bedtime, swallow the tablet with a sip of water. Do not take more than 7 days in a row.

If your symptoms have not improved after taking this product for 7 days you should speak to your doctor.

Do not take more than one tablet a day.


Each tablet of Sominex contains Promethazine Hydrochloride 20mg

These tablets contain lactose


Keep out of sight and reach of children.

Do not exceed the stated dose.


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