£4.19
Sudafed Decongestant Liquid provides fast relief from nasal and sinus congestion caused by colds, flu, and allergies. Its effective formula clears blocked airways, helping you breathe more easily and feel better quickly.
Sudafed Decongestant Liquid is an oral decongestant that relieves blocked nose, sinus pressure and catarrh linked to colds, flu, hay fever and sinusitis.
Active ingredient: Pseudoephedrine hydrochloride 30 mg per 5 ml (systemic decongestant).
For general advice on colds and congestion, see the NHS.
Unblocks nasal passages & sinuses
Reduces catarrh & pressure to ease breathing
Works day or night (non-drowsy for most users)
Easy liquid dose for those who dislike tablets
Adults and children 12+ years (most packs)
Some packs may be licensed 6-12 years – follow that pack’s age/dose or ask a pharmacist.
Do not use if:
You’re allergic to pseudoephedrine or any ingredient
You’re taking or have taken an MAOI (monoamine oxidase inhibitor) in the last 14 days
You have severe hypertension or serious heart disease
Speak to a pharmacist/doctor before use if you have:
High blood pressure, heart disease, diabetes, hyperthyroidism, glaucoma, prostate enlargement/urinary retention, liver/kidney problems, or are pregnant or breastfeeding.
Do not take with other decongestants (oral or nasal) or stimulant cold/flu products.
Shake well. Use the supplied 2.5/5 ml spoon. Leave ≥4 hours between doses. Max 4 doses in 24 hours. Do not exceed the stated dose.
Adults & children 12+ years: 10 ml every 4-6 hours, if needed
Children 6-12 years (only if your pack is licensed for this age): 5 ml every 4-6 hours, if needed
Under 6 years: Do not use
If symptoms persist >5 days (children) or >7 days (adults) or worsen, seek medical advice.
Active (per 5 ml): Pseudoephedrine hydrochloride 30 mg.
Other ingredients (typical): Citric acid monohydrate, sucrose or polyols (e.g., maltitol), glycerol, sodium benzoate (E211), methyl hydroxybenzoate (E218), colouring (e.g., Ponceau 4R), flavour (e.g., raspberry), purified water.
Check your pack for the exact list. Contains sodium benzoate and may contain sugars/sugar substitutes.
Most people have no problems. Possible effects include:
Headache; difficulty sleeping; nervousness; dizziness; nausea; dry mouth.
Stop and seek medical help if you get: allergic reaction (rash, swelling, wheeze), severe headache/visual changes, chest pain or palpitations, sudden high blood pressure, hallucinations, severe abdominal pain or rectal bleeding.
Report side effects via the MHRA Yellow Card scheme.
Store below 25°C, upright, tightly closed
Keep out of sight and reach of children
Do not use after the expiry date
Return unused medicine to a pharmacy
Sudafed Nasal Decongestant (xylometazoline) spray – topical option if you prefer a spray
Saline sprays/rinses, analgesics (paracetamol/ibuprofen), steam inhalation for supportive relief
Does Sudafed Decongestant Liquid contain paracetamol?
No. It contains pseudoephedrine only. You may take paracetamol alongside it if appropriate for you (avoid duplicate decongestants).
Can I use antihistamines or a steroid nasal spray with it?
Often yes, but avoid other decongestants (oral or nasal). Ask a pharmacist to check for interactions.
How quickly does it work and how long does it last?
Onset is typically within 30-60 minutes, with relief for 4-6 hours.
Is there a version for children?
Some Sudafed liquid packs are licensed from 6 years with lower doses. Follow your specific pack or ask us to advise the correct product.
I have high blood pressure-can I use it?
Pseudoephedrine can raise blood pressure. Avoid if you have severe hypertension and seek pharmacist/GP advice if you have controlled hypertension.
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