Sominex Tablets

Sominex Tablets

16 Tablets 
In Stock
Delivery information Product #0021988

Please note images are for illustration purposes and may differ from the product(s) you receive

Sominex tablets can be used for people who find it difficult to fall asleep or to relieve occasional sleeplessness and help you get a good night's sleep so you can wake up feeling refreshed.


Sominex Tablets are specifically designed to help induce a healthy night's sleep, especially if you are having trouble to drift off into a peaceful sleep due to stress, interruption to your normal sleeping routine, jet lag, or a change in lifestyle. These tablets helps to relieve occasional disturbance in your normal sleep pattern.

Sominex contains the active ingredient Promethazine Hydrochloride. This is a sedating antihistamine similar to the medication given to those with allergies. It allows you to fall asleep and will provide a deeper state of sleep leaving you feeling rested and refreshed when you wake up.

Key features of Sominex tablets

  • Suitable for those who find it hard to drift off to sleep
  • Suitable for those experiencing an interruption to their normal sleeping routine
  • Contains the active ingredient Promethazine Hydrochloride
  • Could provide a deeper state of sleep
  • Wake up feeling rested and refreshed

How quickly does sominex work?

Promethazine will start to make you feel sleepy in around 20 minutes after you take it and may work for up to 12 hours. If you're taking it for a cough or cold, allergies or nausea, your symptoms should start to improve within 20 minutes. The medicine should work for around 4 to 6 hours.

For adults, the elderly and children over the age of 16- One tablet taken with water at bed time.

If you find it particularly difficult to get to sleep you can take a tablet one hour before bed instead of taking one as you go to bed.

This medication shouldn't be taken for more than 7 consecutive nights.

Drowsiness can last up to 12 hours so if affected please do not operate heavy machinery or drive.

Alcohol should be avoided with this medicine.

Not to be given to those who suffer from reduced awareness, slow reactions or extreme drowsiness due to medicines or illness that reduce activity in the central nervous system, those in comatose states and people who have taken a type of medicine called a monoamine oxidase inhibitor (MAOI) in the past 14 days.

Sominex shouldn't be given to children under the age of 16.

Not suitable for those who are lactose intolerant. Women who are pregnant, trying to get pregnant or breastfeeding should consult their doctor before taking this medicine.

Caution should be used when giving this medicine to those who are elderly, people with decreased liver and kidney function, people with epilepsy, those suffering from asthma, bronchitis or cystic fibrosis, those with severe heart disease, those who suffer from closed angle glaucoma and those who suffer from a bladder neck obstruction.

Please note that Sominex can affect pregnancy test results and allergy tests.


Promethazine Hydrochloride (20mg), Lactose, Maize Starch, Croscarmellose Sodium, Magnesium Stearate.


The views expressed are those of our customers. If you require advice on a condition or treatment, please contact your doctor or pharmacist. For any questions regarding the products, please contact us. Please note: due to advertising regulations, not all product reviews can be displayed. Please be advised that people respond to products differently and you should always read the label.

Sominex Tablets
 rated Sominex Tablets as:
5.00 stars

0 out of 0 people found this useful. Yes No Report abuse
Sominex Tablets
5.00 stars

Pharmacy order


0 out of 0 people found this useful. Yes No Report abuse
Sominex Tablets
5.00 stars


Prompt delivery, worked well.

0 out of 0 people found this useful. Yes No Report abuse
Sominex Tablets
5.00 stars

Excellent Service

Second time ordering from ChemistDirect and both times faultless! Items arrived very quickly and in secure packaging.

0 out of 0 people found this useful. Yes No Report abuse
Sominex Tablets
5.00 stars

Sleepless in Seattle!

Excellent product to help with holiday sleep disruptions.

0 out of 0 people found this useful. Yes No Report abuse
Sominex Tablets
5.00 stars


Fine for a while

0 out of 0 people found this useful. Yes No Report abuse
View more reviews

Sign up to our newsletter and get the latest deals, exclusive offers, health advice from our online doctor and much more.

* Terms and conditions apply

Our website uses cookies so that we can make your shopping experience as simple and enjoyable as possible. You can read all about how we use them in our Cookies Policy. To accept this you don't need to do anything just carry on shopping, have fun. Close