Breast-feeding:It is not known if dextromethorphan passes into breast milk. If you are a breast-feeding mother and are taking this medication, it may affect your baby. Talk to your doctor about whether you should continue breast-feeding. Meanwhile, the following people should get medical advice before taking Benylin all-in-one tablets: Medications other than those listed above may interact with this medication.Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications you are taking. Also tell them about any supplements you take. Since caffeine, alcohol, the nicotine from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them. Pregnancy:This medication should not be used during pregnancy unless the benefits outweigh the risks. If you are pregnant, talk to your doctor or pharmacist before taking this medication.

Expectorants such as guaifenesin are used to treat a productive, chesty or mucus cough, where you cough up phlegm. Guaifenesin helps to thin and loosen the mucus in the airways, making it easier to cough up. Reporting suspected adverse reactions after authorisation of the medicinal product is important. It allows continued monitoring of the benefit/risk balance of the medicinal product. Healthcare professionals are asked to report any suspected adverse reactions 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. This medicine contains 4300mg propylene glycol per 20ml dose. Not to be taken by those who are breastfeeding or suffer from liver or kidney disease, unless recommended by a doctor. Undesirable effects are rare with normal doses of phenylephrine, however it can cause the adverse effects typical of sympathomimetics including: hypertension, palpitations (tachycardia), headache, dizziness, vomiting, diarrhoea and insomnia. Urinary retention has also been reported – this is more likely to occur in men with an enlarged prostate (frequency not known).

Already a customer?

Women who are breastfeeding. (It's not known if phenylephrine passes into breast milk, or its effect on a nursing infant. When taken by mouth, decongestants such as phenylephrine can also temporarily decrease the production of breast milk with just one or two doses. Ask your doctor or pharmacist for further advice.) If you are taking any of these medications, speak with your doctor or pharmacist.Depending on your specific circumstances, your doctor may want you to: Talk to a doctor at once if you or your child take too much of this medicine even if you feel well. This is because too much paracetamol can cause delayed, serious liver damage. This medicine contains less than 1 mmol sodium (23 mg) per dose, that is to say essentially 'sodium-free'. With phenylephrine there is a possibility that an increased risk of arrhythmias may occur in patients receiving cardiac glycosides or tri-cyclic anti-depressants. Phenylephrine interacts with monoamine oxidase inhibitors; it should not therefore, be taken by patients receiving monoamine oxidase inhibitors or within 14 days of stopping such medication.

Do not take with other cold or decongestant medicines or any other paracetamol-containing products. Although most of the side effects listed below don't happen very often, they could lead to serious problems if you do not seek medical attention.Contains sorbitol (E420): Patients with rare hereditary problems of fructose intolerance should not take this medicine.