Sudafed Mucus Relief Triple Action Cold & Flu - 16 Tablets

Based on 2 reviews
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RRP  £5.29
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Laura Henderson - Medical Content Writer
Laura Henderson
Medical Content Writer
James O'Loan - CEO & Superintendent Pharmacist
James O'Loan
CEO & Superintendent Pharmacist

What is Sudafed Mucus Relief?

Sudafed Mucus Relief tablets are a treatment for congestion that can help you to manage other cold and flu symptoms. They use 3 active ingredients to treat your symptoms, helping to clear your blocked nose, relieve pain, and loosen phlegm. If you’re looking a simple treatment for your cold and flu symptoms, Sudafed Mucus Relief could be the ideal choice.

What is congestion?

Congestion is a common symptom of a cold or the flu. It makes your nose feel blocked and runny, making it more difficult for you to breathe and disrupting your sense of smell. Congestion is caused by swelling of the blood vessels in your nasal passages, reducing the amount of space in your nose, making it easier for mucus to build up and block your airways. When you’re congested, you may also experience a headache as the blockage in your nose puts pressure on your sinuses. Congestion will usually pass by itself, but a decongestant can help to reduce the swelling in your nose to help you breathe easy.

How will Sudafed Mucus Relief ease my congestion?

Sudafed Mucus Relief tablets contain three active ingredients which work together to relieve congestion and other cold and flu symptoms. The first is 250mg of paracetamol, a popular pain relief medication which can also help to bring down a high temperature. The second is 100mg of guaifenesin, an expectorant which helps to loosen phlegm, making it easier to cough up so you can clear your airways. The final ingredient is 5mg of phenylephrine, a decongestant which helps to reduce the swelling in your nasal passages, making it easier for you to breathe and easing congestion.

Can I take these decongestants if I’m pregnant or breastfeeding?

If you’re pregnant or breastfeeding you should speak to your doctor or pharmacist before taking this product. Some medications are not suitable for use during pregnancy or while breastfeeding, as traces of the active ingredients can be passed on to your baby. A medical professional will be able to recommend a suitable treatment for you.

Can I take these tablets at the same time as my other medication?

If you’re taking any other medication you should speak to your doctor or pharmacist before taking Sudafed Mucus Relief tablets. This especially applies if you are already taking:

  • Medicines to treat high cholesterol levels, e.g. cholestyramine

  • Anti-sickness medications, e.g. metoclopramide, domperidone

  • Blood thinners, also known as anticoagulants, e.g. warfarin or other coumarins

  • Barbiturates, which are used for epilepsy or to help you sleep, e.g. phenobarbitones

  • Tyicyclic antidepressants, e.t. imipramine, amitriptyline

  • Medicines to treat heart or circulatory problems, or to lower blood pressure, e.g. digoxin, guanethidine, reserpine, methyldopa

  • Aspirin or any other NSAIDs (non-steroidal anti-inflammatory drugs), e.g. ibuprofen, naproxen

  • Medicines to treat migraines, e.g. ergotamine, methylsergide

  • Zidovudine, as this may cause blood problems such as low white blood cell count

  • Beta blockers such as atenolol or vasodilators such as hydralazine

  • Phenothiazines used as sedatives, e.g. chlorpromazine, pericyazine, fluphenazine

  • Any other cold and flu medicines

  • Any other medicines which contain paracetamol

Can I drive after taking Sudafed Mucus Relief?

Sudafed Mucus Relief can make you feel drowsy or dizzy after use. If this happens to you, you should not attempt to drive or use any tools or machinery until you’re absolutely sure the symptoms have passed and you’re safe to do so.

Can I drink alcohol while I’m taking this decongestant?

You should not drink alcohol while taking Sudafed Mucus Relief tablets or any other decongestants. Alcohol can increase the drowsy effects of decongestants, so they shouldn’t be taken together.

How to take these tablets

Take 2 Sudafed Mucus Relief tablets every 4 hours, as needed. Do not take more than 8 tablets in 24 hours. Swallow the tablets whole with a sip of water or another cool drink.

When should this product not be used?

Sudafed Mucus Relief is not suitable for use in children under the age of 12. Do not take this product if you are allergic to paracetamol, guaifenesin, phenylephrine, or any of the other listed ingredients. Do not take this product if you have:

  • A serious heart condition

  • High blood pressure

  • Diabetes

  • An overactive thyroid

  • Glaucoma, including closed angle glaucoma

  • An enlarged prostate

  • Difficulty passing urine

You should speak to your doctor or pharmacist before using this product if you have:

  • Liver or kidney problems, including alcoholic liver disease

  • Phaeochromocytoma (an adrenal gland tumour)

  • A very bad cough or asthma, a fever, rash, or headache which won’t go away

  •  Circulatory disorders, such as Raynaud’s Phenomenon

  • Angina

  • Stomach or intestinal problems

  • Phenylketonuria, a rare, inherited metabolic disorder

Does Sudafed Mucus Relief have any side effects?

Like all medications, Sudafed Mucus Relief tablets can have side effects, although not everyone will experience them. These side effects include:

  • Allergic reactions, which may be severe, e.g. skin rash, peeling, itching, swollen red skin, shortness of breath, swelling of the lips, tongue, throat, or face

  • Stomach upsets

  • Tingling or coolness of the skin

  • Faster or slower heartbeat

  • Difficulty sleeping (insomnia)

  • Nervousness, tremors, or convulsions

  • Rise in body temperature

  • Rise in blood pressure with headache, being sick, and irregular heartbeat

  • Being more prone to bleeding, bruising, fever, and infections

If you experience these or any other side effects while using this product, stop use and speak to your doctor or pharmacist. For more information about reporting the side effects of medication, please see the MHRA’s Yellow Card Scheme.

How to store this product

Store in a cool, dry place which is below 25 degrees C. Do not take this product if the expiry date printed on the original packaging has passed. Keep out of sight and reach of children.

Can I buy Sudafed Mucus Relief over the counter?

You do not need a prescription for Sudafed Mucus Relief Tablets, however, you will be asked to complete a short medical questionnaire by your Chemist4U pharmacist before we can take your order. This includes some simple questions that all pharmacies legally are required to ask before supplying this kind of product. This helps our pharmacy team to be sure that Sudafed is the best choice for you.


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 our pharmacist before taking this product. If you suffer from any allergies, ask your doctor or our 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 using this product.

Please contact your GP if appropriate regarding this product.


Helpful Advice on Medication Restrictions & Addiction

For further information on our medication restrictions policy, please click here.

If you are concerned about addiction to 'over the counter' medication, we urge you to visit the below links for professional help and advice:

Sudafed Mucus Relief Triple Action Cold & Flu - 16 Tablets Reviews

By Stephen Sydenham,
December 12, 2023
Good results
By KenW,
November 14, 2023
Works for me

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