Panadol Cold and Flu Day Caplets are used for the short-term relief of the symptoms of colds and flu including fever, headache, body ache, blocked and runny nose. It is a combination of three medicines: Paracetamol is an analgesic (pain reliever) and an antipyretic (fever reducer) ,  Caffeine increases the effectiveness of paracetamol. Phenylephrine is a decongestant that narrows the small blood vessels providing relief from congestion or stuffiness in the nose. It is a non-drowsy formulation for daytime relief