Sominex Sleep Aid 20mg (Promethazine)

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Relieve temporary insomnia with these effective sleeping tablets.

What is Sominex and when is it used?

Sominex tablets are an effective sleeping aid used to treat short-term insomnia. It contains the active ingredient promethazine hydrochloride. It’s suitable for adults over the age of 16 who are experiencing temporary difficulty sleeping.

Can I buy Sominex over the counter?

Sominex is available over the counter in the UK. Your doctor or pharmacist will ask a few questions to make sure the medication is suitable for you.

What is the recommended dosage of this treatment?

The recommended dosage of Sominex is one tablet per day, just before you go to bed. The medication should not be taken for more than seven days in a row. If your sleep has still not improved after seven days, you should stop treatment and consult your GP or pharmacist.

When should Sominex not be used?

Sominex should not be used if you are allergic to promethazine hydrochloride or any of the other listed ingredients. You should not take this medication if you have recently had any head injury, such as concussion or a strong blow to the head. Do not take this medication if you are feeling dizzy or lightheaded.

How should I store Sominex?

Sominex should be stored in a dry, cool environment that does not exceed 25°C.

 Information Leaflet

Always read the patient information leaflet before commencing treatment.

Sominex Reviews

9.6/ 10
5
44
4
3
3
2
2
0
1
1
Truspilot logo
Google logo
Feefo logo

Based on 50 independent customer reviews taken by Feefo (see all Feefo Reviews), Google and Trustpilot (see all Trustpilot Reviews).


(read on Feefo)
"Painless and very fast delivery"

Product Review:

"Very good medication and it does what it says on the packet"

Service Review:

"Excellent service, no issues, was delivered quickly and with confidentiality, Updates on tracking and when my product would arrive."

"Wet quick efficient service provided"

Product Review:

"Useful if struggling to sleep"

Service Review:

"Wet quick efficient service provided"


(read on Feefo)
"Easy and Professional"

Product Review:

"Works well help relax and sleep better"

Service Review:

"Easy and professional service to use,,items delivered straight to your door usually next day.
Will definitely continue using this helpful online service."

"Easy to use prompt delivery"

Product Review:

"Effective for occasional use for insomnia "

Service Review:

"Easy to use prompt delivery"

"Very good quality"

Product Review:

"There do help me sleep "

Service Review:

"Very good quality"


left on Trustpilot

Product Review:

"Excellent value and service "

"Easy, worry-free ordering!"

Product Review:

"I've tried other sleep aids but nothing really works. However, now that I've found Sominex, I won't be trying anything else. Normally, I can get to sleep but I wake up a couple of hours later and I'm wide awake, finding it difficult to get back to sleep. Sominex is ideal for me, it actually keeps me asleep for longer! I'd recommend anyone to try it."

Service Review:

"I'm a real technophobe but even I can navigate this site easily so that I can order, pay and receive the item I need. The prices are cheaper than my local pharmacy too! What's not to like?"

"Great service fast and that was great"

Product Review:

"Great best ever for sleep "

Service Review:

"Great service fast and that was great"

"Very fast and efficient service"

Product Review:

"These have been a life saver fir me during periods of stress and not sleeping. They work they really do. You think they aren’t going too and then they do. But groggy next day but nothing too bad a shower n coffee couldn’t sort. "

Service Review:

"Very fast and efficient service"


(read on Feefo)
"Highly recommend"

Product Review:

"Really pleased with product
Worked well"

Service Review:

"Excellent easy to use service
Prompt delivery
Excellent product"

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Discreet service

With our discreet packaging you can order in confidence.

We never use our brand name on bills, delivery papers or your bank statement.

All our packages are completely plain, without any details of what’s inside or who has sent it.

Estimated delivery

Signed For 1st Class

£2.90 - Tuesday 19 October

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£3.95 - Tuesday 19 October

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£5.95 - Tuesday 19 October by 1pm

Special Delivery 9am Guaranteed

£13.95 - Tuesday 19 October by 9am

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from £4.95 - Monday 18 October

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