Description
What Are Sudafed Congestion & Headache Relief Day & Night Capsules
Sudafed Day & Night Capsules offer targeted relief for cold & flu symptoms. They include a daytime capsule to relieve blocked nose, headache, fever and fatigue, and a night-time capsule to support rest and symptom relief during sleep. Designed for adults and adolescents aged 16 and over.
Ingredients & How It Works
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Day capsule: Paracetamol 500 mg (pain/fever relief), Caffeine 25 mg (reduces tiredness), Phenylephrine HCl 6.1 mg (nasal decongestant).
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Night capsule: Paracetamol 500 mg, Phenylephrine HCl 6.1 mg.
Phenylephrine narrows nasal blood vessels to ease congestion. Paracetamol lowers temperature and reduces aches. Caffeine helps maintain alertness during the day.
Key Benefits
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Relief from nasal congestion and sinus pressure
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Reduces headache, fever, sore throat and body aches
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Day capsule supports energy; night capsule supports restful sleep
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Non-drowsy day formula; specialised night formula
Who Can Use It
Suitable for: Adults and adolescents aged 16 years and over.
Do NOT use if you:
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Are allergic to paracetamol, caffeine or phenylephrine
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Have severe heart or cardiovascular disease, high blood pressure, overactive thyroid, enlarged prostate
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Are under 16 years of age
If you are pregnant, breastfeeding, or have liver/kidney problems, consult your doctor before use.
Recommended Dosage
Adults & adolescents 16+
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Day capsule: Take 2 red/yellow capsules every 4-6 hours, up to 3 times/day.
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Night capsule: Take 2 dark blue/light blue capsules at night, if needed.
Maximum: Up to 8 capsules in 24 hours (4 total doses).
Swallow capsules whole with water. Do not chew. Do not exceed label instructions. If you take more than recommended, stop use and seek medical advice even if you feel well.
Other Use Advice & Home Care
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Intended for oral use only.
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Drink plenty of water and rest.
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Keep warm and allow your body to recover.
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See your GP if: persistent cough over 3 weeks, chest pain, unexplained weight loss, swollen glands, breathing difficulties, or immune system weakness.
Possible Side Effects & When to Seek Help
Seek immediate medical help if you experience:
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Allergic reactions: rash, swelling, difficulty breathing
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High blood pressure signs: severe headache, palpitations, vomiting
Other side effects may include:
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Nausea, restlessness, difficulty sleeping (day capsule), tingling skin
If you develop symptoms not listed, stop use and consult a healthcare professional.
Drug Interactions & Precautions
Avoid taking with:
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Other paracetamol-containing medicines
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Other decongestants or stimulants (e.g., appetite suppressants)
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MAOIs (or taken within last 14 days)
If you take antidepressants, blood-pressure/heart medicines, anticoagulants, or drugs for circulation, seek pharmacist/doctor advice before use.
Frequently Asked Questions
Can I take the day capsule at night?
No – the day capsule contains caffeine, which may disrupt sleep. Use the night capsule to support rest.
Can I take paracetamol at the same time?
No – these capsules already contain paracetamol. Taking extra may cause overdose.
How long can I use the capsules?
Use for short-term relief only. If symptoms persist or worsen, consult your doctor.


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