Pharmacy Guide
Patient leaflets and SmPCs, drug interaction checker, official dosages and NHS pharmacy opening hours — all in one place.
Pharmacy Guide
Patient leaflets and SmPCs, drug interaction checker, official dosages and NHS pharmacy opening hours — all in one place.
Boots Max Strength Sinus Pressure & Pain Relief Day & Night Capsules
⚠ This medicine appears to have been discontinued
The electronic medicines compendium (emc) no longer publishes a Summary of Product Characteristics for this product, which usually means it is no longer marketed in the UK. The patient leaflet below is kept for reference, but the product may not be available.
If you were prescribed this medicine, other products containing Caffeine, Paracetamol, Phenylephrine hydrochloride may still be available. Do not stop your treatment — ask your pharmacist or GP what to use instead.
What it is and what it is used for
for
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This medicine contains:
- paracetamol which is a pain reliever (analgesic) and helps reduce your temperature when you have a fever
- phenylephrine which is a decongestant to reduce swelling in the passages of the nose to help you breathe more easily.
The Day capsules also contain:
- caffeine which helps to increase the pain relief from paracetamol and makes you more alert. The Day capsules are used for the relief of the symptoms of sinus pain and congestion, including relief of aches and pains, headache, fatigue (tiredness) and drowsiness, nasal congestion (blocked nose) and feverishness (high temperature). The Night capsules are used for the relief of the symptoms of colds and flu, including aches and pains, sore throat, headache, nasal congestion (blocked nose) and feverishness (high temperature).
What you need to know before you take it
e this medicine Do not take this medicine if you:
- are allergic to paracetamol, caffeine, phenylephrine or any of the other ingredients
- have a serious heart condition or cardiovascular disorder(s)
- have high blood pressure (hypertension)
- have a history of stomach ulcers
- have an overactive thyroid
- have an enlarged prostate
- are taking antidepressant drugs called monoamine oxidase inhibitors (MAOI's), or have taken them within the last 14 days these are medicines such as phenelzine and isocarboxazid. Warnings and precautions Talk to your doctor or pharmacist before taking this medicine if you:
- are pregnant or breast-feeding
- suffer from kidney or liver problems, including alcoholic liver disease
- have diabetes
- have circulatory disorders such as a condition called Raynaud's Phenomenon, which results from poor circulation in the fingers and toes. During treatment with this medicine, tell your doctor straight away if:
- you have severe illnesses, including severe renal impairment or sepsis (when bacteria and their toxins circulate in the blood leading to organ damage), or you suffer from malnutrition, chronic alcoholism or if you are also taking flucloxacillin (an antibiotic). A serious condition called metabolic acidosis (a blood and fluid abnormality) has been reported in patients in these situations when paracetamol is used at regular doses for a prolonged period or when paracetamol is taken together with flucloxacillin. Symptoms of metabolic acidosis may include: serious breathing difficulties with deep rapid breathing, drowsiness, feeling sick (nausea) and being sick (vomiting). Other medicines and this medicine Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines especially:
- 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
- tricyclic antidepressants such as imipramine, amitriptyline
- 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
- flucloxacillin (antibiotic), due to a serious risk of blood and fluid abnormality (called metabolic acidosis) that must have urgent treatment (see section 2). Contains paracetamol. Do not take anything else containing paracetamol while taking this medicine. This medicine with food, drink and alcohol Do not drink alcohol (beer, wine, spirits etc) while taking this product. Pregnancy, breast-feeding and fertility If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine. 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'.
How to take it
this medicine
Swallow the capsules whole with water. Do not chew. Age What to take and when Adults, the elderly and children aged 16 years and over:
2 Day capsules every 4 to 6 hours during the daytime, as required followed by 2 Night capsules at bedtime. Do not take more than 8 capsules (4 doses) in any 24 hour period. Leave at least 4 to 6 hours between doses.
Do not give to children under 16 years. If the symptoms of your cold or flu persist for more than three days, or worsen, consult your pharmacist or doctor. Do not take more medicine than the label tells you to. If you do not get better, talk to your doctor. This medicine does not contain a sleep aid. If you take more of this medicine than you should 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.
4. Possible side effects
Most people do not have any side effects while taking this medicine. However, if you experience any of the following side effects, or anything else unusual happens, stop taking the medicine immediately, and see your doctor or pharmacist.
Rare side effects are:
- allergic reactions such as skin rash
- tingling and coolness of the skin
- a faster or slower heart beat
- a rise in blood pressure with headache, vomiting (being sick) and irregular heart beat (palpitations)
- nausea (feeling sick) (Day capsule only)
- difficulty sleeping (insomnia) (Day capsule only)
- problems or pain passing urine. 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. Frequency not known (frequency cannot be estimated from the available data): A serious condition that can make blood more acidic (called metabolic acidosis), in patients with severe illness using paracetamol (see section 2). Reporting of side effects If you get any side effects, talk to your doctor, pharmacist or nurse. This includes any possible
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.
Frequently asked questions about Boots Max Strength Sinus Pressure & Pain Relief Day & Night Capsules
How do I take Boots Max Strength Sinus Pressure & Pain Relief Day & Night Capsules?
Boots Max Strength Sinus Pressure & Pain Relief Day & Night Capsules comes as capsule. Always follow the dose your doctor or pharmacist has given you, and read the leaflet that comes with the medicine.
What is the active substance in Boots Max Strength Sinus Pressure & Pain Relief Day & Night Capsules?
The active substance in Boots Max Strength Sinus Pressure & Pain Relief Day & Night Capsules is caffeine, paracetamol, phenylephrine hydrochloride.
Are there equivalent medicines to Boots Max Strength Sinus Pressure & Pain Relief Day & Night Capsules?
Medicines with the same active substance, strength and form include: Benylin Cold & Flu Max Strength Capsules, hard, Boots Blocked Nose & Headache Relief Capsules, Boots Cold & Flu Relief Capsules. In total there are 12 equivalent products. They are interchangeable only if your prescriber or pharmacist says so.
Where does this information come from?
This leaflet reproduces the patient information leaflet approved for Boots Max Strength Sinus Pressure & Pain Relief Day & Night Capsules, as published on the electronic medicines compendium (emc). The version printed inside your medicine’s packaging is the one that applies to you.
Can I get Boots Max Strength Sinus Pressure & Pain Relief Day & Night Capsules without a prescription?
Whether a medicine is available over the counter or on prescription only depends on its licence. Check the leaflet, or ask your pharmacist — they can tell you straight away.
About this leaflet
The text above reproduces the patient information leaflet approved for this medicine, restructured for easier reading.
- Source: electronic medicines compendium (emc), Datapharm
- Active substance: caffeine, paracetamol, phenylephrine hydrochloride
- Official document: view the original leaflet on emc →
💬 Ask about this leaflet
Ask anything about Boots Max Strength Sinus Pressure & Pain Relief Day & Night Capsules. The assistant answers only from this leaflet — if the leaflet does not cover it, it will say so. It does not give medical advice.
Answers come from the patient leaflet published on the electronic medicines compendium (emc). They are not medical advice. Ask a pharmacist or your GP if you are unsure. For urgent help call NHS 111, or 999 in an emergency.