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Benylin® 4flu

Benylin 4 Flu Tablets are used to help relieve cold and flu symptoms. The tablets contain paracetamol which helps to relieve aches and pains and fever (high temperature), diphenhydramine, which is an antihistamine that helps relieve coughing, sneezing and runny nose, and pseudoephedrine, which is a decongestant that helps unblock stuffy noses.The medicine is for use in adults and children aged 10 years and over. Always read the label. Ask your pharmacist for advice.


Product Description


■ For oral use only.
■ Do not take more than the stated dose shown below. Children under 10 years This medicine is not recommended for children under 10 years old. Adults and children aged 10 years and over Age Dose Adults and children Take two tablets, up to aged 16 years and over 4 times a day Children 10 – 15 years Take one tablet, up to 4 times a day.
■ Leave at least 4 hours between doses.
■ Do not take more than 4 times a day.
■ If symptoms persist or worsen, stop use and talk to your doctor or pharmacist.
■ Do not give to a child under 16 years of age for more than 5 days without consulting your doctor. 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.
If you forget to take the medicine You should only take this medicine as required following the dosage instructions above carefully. 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.

Safety Warning

This medicine is suitable for most people, but a few should not use it. If you are in any doubt, talk to your doctor or pharmacist. Do not take this medicine…
■ If you are taking any other cough and cold medicines or medicines containing paracetamol.
■ If you have ever had a bad reaction to paracetamol, pseudoephedrine or diphenhydramine or any of the other ingredients in this medicine (listed in section 6).
■ If you have heart disease or high blood pressure.
■ If you have diabetes.
■ If you have an overactive thyroid gland.
■ If you have Pheochromocytoma (rare tumor which affects your heart rate and blood pressure).
■ If you are taking, or have taken in the last two weeks, drugs for depression known as Monoamine Oxidase Inhibitors (MAOIs) or Reversible Inhibitors of Monoamine Oxidase (RIMAs).
■ If you are taking stimulants or appetite suppressants and drugs used to treat congestion and asthma (sympathomimetic drugs).
■ If you are using any other medicines containing diphenhydramine, including those used on large areas of the skin.
■ If you have glaucoma (increased pressure in the eye).
■ If you are taking beta blockers (used to treat high blood pressure).
■ For a child under 10 years of age.
■ If you have severe kidney problems. If any of these apply to you now or in the past, get advice from a doctor or pharmacist without using Benylin 4 Flu Tablets. Talk to your doctor or pharmacist…
■ If you have kidney or severe liver problems.
■ If you have alcohol dependence.
■ If you have difficulty with passing water and / or an enlarged prostate (which may mean you need to pass water more often).
■ If you are susceptible to glaucoma (increased pressure in the eye).
■ If you have blocked arteries or veins (occlusive vascular disease).
■ If you have bronchitis, emphysema or asthma, or have had a cough for a few weeks, or a cough with a lot of mucus (phlegm).
■ If you are being treated for a thyroid disorder. Taking other medicines If you are taking any other medicines including:
■ Tricyclic antidepressants (drugs to treat mood disorders).
■ Anticholinergic drugs (drugs used to treat cramps and spasms such as atropine).
■ Hypnotics (sleeping tablets including barbiturates).
■ Tranquillisers (drugs used to relax muscles or decrease anxiety).
■ Opioid analgesics (drugs used to relieve pain e.g. codeine, tramadol, morphine).
■ Antipsychotics (drugs used to treat mood disorders).
■ Antihypertensives (drugs used to treat high blood pressure such as guanethidine, methyldopa, adrenergic neurone blockers, debrisoquine, bretylium and betanidine).
■ Moclobemide (used to treat mood disorders).
■ Cardiac glycosides (drugs used to control heart rhythms or contractions such as digoxin).
■ Ergot alkaloids (drugs used to treat migraine such as ergotamine and methysergide).
■ Oxytocin (drug used to help contractions during childbirth).
■ Oral contraceptives (“the pill”).
■ Metoclopramide or domperidone (used to treat nausea and vomiting).
■ Cholestyramine (used to lower blood cholesterol).
■ Anticoagulants (drugs used to thin the blood, such as warfarin).
■ Anticonvulsants (drugs to treat epilepsy).
■ Flucloxacillin (used to treat infections). If you are not sure about the medicine you are taking, show the bottle or pack to your pharmacist. If any of these bullet points apply, talk to a doctor or pharmacist. Please inform your doctor or pharmacist if you are taking flucloxacillin (antibiotic), due to a serious risk of blood and fluid abnormality (high anion gap metabolic acidosis) that must have urgent treatment and which may occur particularly in case of severe renal impairment, sepsis (when bacteria and their toxins circulate in the blood leading to organ damage), malnutrition, chronic alcoholism, and if the maximum daily doses of paracetamol are used.
If you experience the following, stop taking this medicine immediately and contact your doctor:
■ A feverish generalised erythema associated with pustules. See section 4.
■ Sudden abdominal pain or rectal bleeding may occur with this medicine, due to inflammation of the colon (ischemic colitis). See section 4.
■ Sudden severe headaches, nausea, vomiting, confusion, fits, visual disturbances.
■ Reduction of blood flow to your optic nerve may occur with this medicine. If you develop sudden loss of vision, stop taking this medicine and contact your doctor or seek medical attention immediately. See section 4.

Pregnancy and breast feeding

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.

Take special care with Benylin 4 Flu tablets

■ You can use this medicine while you are taking oral contraceptives (“the pill”) or anticonvulsants (drugs used to treat epilepsy), but the medicine may not work so well on your pain or fever.
■ This product may cause drowsiness. It should NOT be used to sedate a child. Driving and using machines.
■ This medicine may make you feel sleepy. If this happens do not drive or use tools or machines. Do not drink alcohol. Important information about some of the ingredients of Benylin 4 Flu tablets.
■ This medicine contains Sunset yellow (E110). This may cause allergic reactions.
■ This medicine contains less than 1 mmol sodium (23 mg) per dosage unit, that is to say essentially ‘sodium-free’.

Age Indication

10 Years +


The active ingredients in Benylin 4 Flu Tablets are: 500 mg Paracetamol, 22.5 mg Pseudoephedrine hydrochloride, 12.5 mg Diphenhydramine hydrochloride. Other ingredients are: Microcrystalline cellulose, pregelatinised maize starch, povidone, crospovidone, macrogol 6000, croscarmellose sodium, stearic acid, magnesium stearate, hypromellose, titanium dioxide (E171), quinoline yellow (E104), quinoline yellow lake, sunset yellow (E110) and talc.

Please Note:
You must be over 18 to purchase non-prescription medications online.

For verification purposes, please supply a valid contact phone number.

One of our registered pharmacists may need to contact you to confirm your purchase. They will ensure that you are aware of the appropriate use for the medicine, and that it is being sought for that purpose and, in so far as the registered pharmacist is aware, the product is not intended for abuse and/or misuse.

Please note that a record of every transaction is retained for a period of 2 years.

Rathnew Pharmacy have been authorised by the Pharmaceutical Society of Ireland (PSI) to sell non-prescription medication online. For further information please contact the PSI at –

PSI House,
Fenian Street,
Dublin 2.

Ph: 01 218 4000

Email: internetsupply@psi.ie

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