Paracetamol is a painkiller and reduces your temperature when you have a fever.
Guaifenesin is an expectorant which loosens phlegm and relieves a chesty cough.
Phenylephrine hydrochloride is a decongestant which helps to unblock your nose and sinuses helping you breathe more easily.
Always read the label.

Patients suffering from chronic cough or asthma should consult a physician before taking this product.
Patients should stop using the product and consult a health care professional if cough lasts for more than 5 days or comes back, or is accompanied by a fever, rash or persistent headache.
Do not take with a cough suppressant.
If you are taking medication or are under medical care, consult your doctor before using this medicine.
Contains paracetamol. Do not take with any other paracetamol-containing products. Immediate medical advice should be sought in the event of an overdose, even if you feel well.
Do not take with other flu, cold or decongestant products.
This product should not be used during pregnancy or breast feeding without medical advice.