Benylin Dry Cough Night Syrup – 150ml

Based on 15 reviews
In stock
Express 1-2 Days (Royal Mail Tracked 24)
Order in the next 00 :00 :00 to get it Monday, April 22nd * using Express 1-2 Days (Royal Mail Tracked 24)
*95% of orders using express delivery are delivered next day
Benylin Dry Cough Night Syrup – 150ml £6.99
Olivia Malone - Medical Content Writer
Olivia Malone
Medical Content Writer
James O'Loan - CEO & Superintendent Pharmacist
James O'Loan
CEO & Superintendent Pharmacist

Buy Benylin Dry Cough Night Syrup 

Benylin Dry Cough Night Syrup is used to provide nighttime relief from dry, irritating coughs. The medication will provide you with a peaceful night’s sleep.


How Benylin Dry Cough Night Syrup works

Benylin Dry Cough Night Syrup contains the active ingredient diphenhydramine hydrochloride which is a drowsy antihistamine. It helps to relieve coughing and dry secretions in the chest. 

The cough syrup also contains levomenthol which helps you to breathe more easily.



Always take Benylin Dry Cough Night Syrup exactly as described in the patient information leaflet or as your doctor / Chemist4U pharmacist has told you. 

Take 2 x 5ml spoonfuls at bedtime. Do not take more than 4 doses in 24 hours.


Side effects

Like all medicines, Benylin Dry Cough Night Syrup may cause side effects in some people, but these won’t affect everybody. Common side effects include: 


  • Drowsiness
  • Dizziness 
  • Headaches 
  • Difficulty performing tasks 
  • Blurred vision
  • Thickened mucus or dry mouth 


If you experience any side effects, including any not included in the patient information leaflet, you can report them using the MHRA Yellow Card Scheme.


Serious side effects

Seek emergency medical attention if you notice any signs of a severe allergic reaction, symptoms of which include swelling of the face and throat, skin rash, breathing difficulties and/or loss of consciousness.


Benylin Dry Cough Night Syrup may be unsuitable for certain people. Do not take this product if you are allergic to any of the ingredients or you suffer from lung disease. 

Talk to your doctor or Chemist4U pharmacist before taking this medicine if: 


  • You suffer from liver or kidney problems 
  • You have bronchitis, emphysema or asthma 
  • You have had a cough for a few weeks 
  • You have difficulty passing water or prostate problems 
  • You are susceptible to glaucoma 
  • You have been told by your doctor you are a slow metabolizer of CYP2D6
  • You have ever been addicted to opioids, alcohol, prescription medication or illegal drugs

Using/taking other medicines

If you are taking or have recently taken any medication, including medication obtained without a prescription, talk to your GP or pharmacist before taking this product.

Talk to a healthcare provider if you are taking the following:


  • Other cough or cold medicine 
  • Other medications containing diphenhydramine 
  • Antidepressants or antipsychotics 
  • Tricyclic antidepressants 
  • Antihistamines 
  • Anticholinergic drugs 
  • Tranquilisers 
  • Hypnotics 
  • Sedatives 
  • Antiarrhythmic agents 
  • Calcimimetic agents 
  • Antifungals 
  • Opioid analgesics 

Age restrictions 

This product is not suitable for children under 12 years old.


Pregnancy and breastfeeding

If you are pregnant or breastfeeding, think you may be pregnant or are planning to have a baby, you must ask your doctor or Chemist4U pharmacist for advice before taking any new medicine. 



Avoid alcohol if you are taking this medication. 


Driving and operating machinery 

Benylin Dry Cough Night Syrup may alter your ability to drive and operate machinery. If you are affected, do not drive or operate machinery until you feel safe enough to do so. 


Storage information

Store below 25°C in a cool, dry place out of sight and reach of children. Do not use after the expiry date, referring to the last day of the month stated on the packaging. Do not throw away any medicines via wastewater or household waste.


Important information

This product is a medicine; make sure to speak to your doctor or Chemist4U pharmacist before taking this product if you have an underlying medical problem or are taking any other medicine or complementary therapy. If your symptoms get worse or continue after taking this product, contact us or your doctor. For medical services in your area, please refer to

If you are pregnant, trying to become pregnant, or breastfeeding, speak to your doctor or Chemist4U pharmacist before taking this product. If you suffer from any allergies, ask your doctor or Chemist4U pharmacist if this medicine is right for you.

Store all medicines out of sight and reach of children.

Please read the included leaflet carefully before taking this product.

Please contact your GP if appropriate regarding this product.


Benylin Dry Cough Night Syrup – 150ml Reviews

By customer,
January 23, 2024
Helpful in stopping the constant coughing to enable a better nights sleep
By James,
October 17, 2023
Helps with dry cough
By Cath,
October 10, 2023
Great product. Very quickly reduces my night time cough, allowing a much better nights sleep.
By karen,
April 18, 2023
Does what it says on the bottle
By Mustak Ahammad,
May 06, 2022

Advice & Guides

Best medicines for dry, tickly or mucus, chesty coughs

Coughing can be quite the annoyance, especially if you’re unsure which type of cough you have. It can also lead to a tender, sore throat, which is the last thing you need while battling a cough! Here, we explore the ins and outs of the different types of coughs, from...
Read More

10 ways to avoid catching the office cold

You can’t get sick. You tell yourself this every year as you’re stocking up on vitamin C and hand sanitiser gel, you absolutely cannot get sick. And yet you do.

That's why we’ve asked our very own registered pharmacist, Shamir Patel, for some tips and tricks that will help you to make it through the winter months without catching the office cold.

Read More

What are the best cold and flu medicines for me?

When you feel the effects of the common cold or flu, which you will as there’s no cure and it is contagious, you will be looking for relief from the symptoms. These include a blocked or a runny nose, a sore throat, sneezing, a headache, a raised temperature, or a cough. The good news is, there is a wide range of treatments out there that will help provide relief for these symptoms and help you get over the cold or flu.

Read More
© 2024 Chemist4U. Innox Trading Ltd, 35-37 Greenhey Place, Skelmersdale, Lancashire, WN8 9SA, GB. All rights reserved. Registered and regulated UK pharmacy with the GPhC (registered premises 9011784). Registered in England No. 07262043 | VAT Registration No. GB140138454