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Asda Max strength Sinus Relief capsules hard, Superdrug Max strength Sinus Relief capsules hard, Numark Max strength Sinus Relief capsules hard, Sudafed Congestion & Headache Relief Max strength capsules hard, Sudafed Sinus Max strength capsules hard, Boo – patient leaflet, side effects, dosage

Status:
General sale (GSL) Key facts
Medicine strength:
500 mg + 25 mg + 6.1 mg
Contains active substances:

Patient leaflet - Asda Max strength Sinus Relief capsules hard, Superdrug Max strength Sinus Relief capsules hard, Numark Max strength Sinus Relief capsules hard, Sudafed Congestion & Headache Relief Max strength capsules hard, Sudafed Sinus Max strength capsules hard, Boo

1 What is Sudafed Blocked Nose & Sinus Capsules and what is it used for

Sudafed Blocked Nose & Sinus Capsules help relieve the symptoms of pain and congestion caused by sinusitis, which include stuffy nose, blocked sinuses, headache, fever, aches and pains. The capsules contain paracetamol, an analgesic and antipyretic which helps to relieve pain and fever, caffeine, a stimulant to help combat tiredness and to help increase the pain relief, and phenylephrine hydrochloride, which is a decongestant. This medicine is for use by adults, the elderly and children aged 16 years and over.

2 What you need to know before you take Sudafed Blocked Nose & Sinus Capsules

This medicine is suitable for most adults and children aged 16 years and over but a few people should not use it. If you are in any doubt, talk to your doctor or pharmacist.

Do not use this medicine…

  • If you are allergic to paracetamol, caffeine, phenylephrine or any of the other ingredients listed in section 6 turn over

    • If you have high blood pressure.
    • If you have severe heart disease or circulatory problems.
    • If you have an overactive thyroid.
    • If you have a history of stomach ulcers.
    • If you have an enlarged prostate
    • If you are taking, or have taken in the last two weeks, drugs for depression known as Monoamine Oxidase Inhibitors (MAOIs).
    • In children under 16 years old.
    • If you are taking tricyclic antidepressants, such as imipramine, amitriptyline.

If any of these apply to you, get advice from a doctor or pharmacist without using Sudafed Blocked Nose & Sinus Capsules. Please see your doctor or pharmacist before taking this medicine if you:

  • are pregnant or breastfeeding
  • suffer from kidney or liver problems, including alcoholic liver disease or have alcohol dependence
  • have diabetes
  • have circulatory disorders such as a condition called Raynaud’s Phenomenon, which results from poor circulation in the fingers and toes.

Other medicines and Sudafed Blocked Nose & Sinus Capsules

  • Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines

    • medicines to treat high cholesterol levels which reduce the amount of fat in the blood such as colestyramine
    • medicines to control feeling sick or being sick such as metoclopramide or domperidone
    • medicines called anti-coagulants, which are used to thin the blood such as warfarin or other coumarins - you may take occasional doses of paracetamol but should consult your doctor if you need to take it on a regular basis
    • barbiturates (for epilepsy or to help you sleep), such as phenobarbitone
    • medicines to treat migraines such as ergotamine or methysergide
    • medicines to lower blood pressure, treat heart or circulatory problems such as beta blockers (e.g. atenolol) or vasodilators (e.g. hydralazine)
    • other decongestant drugs such as ephedrine or xylometazoline.

If you are pregnant or breastfeeding

  • Ask your doctor or pharmacist for advice before taking this medicine if you are pregnant or breastfeeding. Sudafed Blocked Nose & Sinus Capsules contains paracetamol.
  • Do not take anything else containing paracetamol while taking this medicine.

    Sudafed Blocked Nose & Sinus Capsules with food, drink and alcohol

    • Do not drink alcohol (beer, wine, spirits etc) while taking this product. Information about some of the ingredients in this medicine:

This medicine contains less than 1 mmol sodium (23 mg) per 2 capsules, that is to say essentially 'sodium-free'.

3 How to take this medicine

Check the table below to see how much medicine to take.

  • For oral use only.
  • Do not take more medicine than the label tells you to.
  • Take with a glass of water. Do not chew.

    Children and adolescents

    Do not give to children under 16 years.

    Adults, the elderly and children aged 16 years and over

Age Dosage

Adults, the elderly and Two capsules every 4 children aged 16 years and over to 6 hours as required.

  • Do not take more than eight capsules (4 doses) in any 24 hours period.
  • Leave at least 4 to 6 hours between doses.
  • If you do not get better, talk to your doctor or pharmacist.
  • Do not take for more than 3 days unless advised by your doctor.

    Taking this medicine with food and drink:

    You should avoid too much caffeine in drinks like coffee and tea. If you are also consuming other medicines or food that contains caffeine (coffee, tea, cola drinks, chocolate) you may have a high caffeine intake and might have difficulty sleeping, start shaking and/or an uncomfortable feeling in the chest.

    If anyone has too much

    Talk to a doctor at once if you take too much of this medicine even if you feel well. This is because too much paracetamol can cause delayed, serious liver damage. Go to your nearest hospital casualty department. Take your medicine and this leaflet with you. If you forget to take the medicine

    If you forget to take a dose, take the next dose when needed provided that the last dose was taken at least 4 hours ago. Do not take a double dose.

4 Possible side-effects

Sudafed Blocked Nose & Sinus Capsules can have side-effects, like all medicines, although these don't affect everyone and are usually mild. Unknown side-effects are:

  • bronchospasm
  • restlessness, anxiety, nervousness, irritability, agitation Rare side-effects are:
  • allergic reactions such as skin rash

    • nausea (feeling sick) or vomiting (being sick) or diarrhoea
    • headache, tremor, dizziness
    • difficulty sleeping (insomnia)
    • fast, slow or irregular heart beat (palpitations)
    • high blood pressure
    • glaucoma
    • problems or pain passing urine
    • sudden weight loss, loss of appetite and yellowing of the eyes and skin More rarely, the following side-effects can happen:

you may become more prone to bleeding, bruising, fever and infections, such as sore throat and ulcers, due to changes in your blood. Very rare cases of serious skin reactions have been reported. Reporting of side-effects

If you get any side-effects, talk to your doctor, pharmacist or nurse. This includes any possible side-effects not listed in this leaflet. You can also report side-effects directly via the Yellow Card Scheme at www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store.

By reporting side-effects you can help provide more information on the safety of this medicine.

5 How to store Sudafed Blocked Nose & Sinus Capsules

Do not store above 25ºC.

Keep this medicine out of the sight and reach of children. Do not use after the end of the month shown as an expiry date on the packaging.

Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help to protect the environment.

6 Contents of the pack and other information

What’s in this medicine?

The active ingredients in Sudafed Blocked Nose & Sinus Capsules are:

500 mg Paracetamol, 25 mg Caffeine and 6.1 mg Phenylephrine hydrochloride per capsule.

Other ingredients are: Maize starch, croscarmellose sodium, sodium laurilsulfate, magnesium stearate, talc, gelatin, titanium dioxide (E171), quinoline yellow (E104), Patent Blue V (E131), erythrosine (E127) and indigo carmine (E132).

What the medicine looks like

Sudafed Blocked Nose & Sinus Capsules are red/blue capsules available in packs of 16 capsules.

Marketing Authorisation holder and Manufacturer:

Wrafton Laboratories Limited, Braunton, North Devon, EX33 2DL, UK. Distributor: McNeil Products Ltd, Maidenhead, Berkshire, SL6 3UG, UK. This leaflet was prepared December 2020

Sudafed is a registered trade mark. AE341QMJ1 GB_Sudafed Blocked Nose capsules_16_PIL

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About this document

Source: MHRA - Medicines and Healthcare products Regulatory Agency (products.mhra.gov.uk)

What the sections and the side effect frequencies mean: How to read a patient leaflet

Found a mistake? Tell us on the contact page.

The information on this site does not replace the advice of a doctor or pharmacist.

Facts about Asda Max strength Sinus Relief capsules hard, Superdrug Max strength Sinus Relief capsules hard, Numark Max strength Sinus Relief capsules hard, Sudafed Congestion & Headache Relief Max strength capsules hard, Sudafed Sinus Max strength capsules hard, Boo

What these facts mean

Prescription needed?? No, general sale list medicine (GSL) – also sold outside pharmacies
Active substances? Caffeine, Paracetamol, Phenylephrine hydrochloride
Strength? 500 mg + 25 mg + 6.1 mg
Pharmaceutical form? Oral capsule
How is it taken? Oral
Pack sizes 16 capsule
Is it available?? Listed as available (NHS Dictionary of Medicines and Devices – not a record of current supplies)
Drug group (ATC)?
  1. N Nervous system drugs
    1. N02 Analgesics
      1. N02B Other analgesics and antipyretics
        1. N02BE Anilide analgesics and antipyretics
          1. N02BE51 paracetamol, combinations excl. psycholeptics
Marketing authorisation? PL 12063/0067
Codes? GTIN 3574661186962

Sources: the MHRA product information (products.mhra.gov.uk) and the NHS Dictionary of Medicines and Devices (dm+d), release 11.1.0 of 9 November 2026, NHS Business Services Authority. Contains public sector information licensed under the Open Government Licence v3.0.