Beechams Flu Plus Caplets treat sinus discomfort and the symptoms of colds and flu, such as tiredness and sleepiness. Paracetamol rapidly targets pain and reduces feverishness. Caffeine is a mild stimulant, reducing fatigue, while phenylephrine hydrochloride is a decongestant that alleviates sinus pain and stuffy noses. Beechams Flu Plus Caplets are suitable for adults and children aged 16 or over and contain paracetamol, caffeine and phenylephrine hydrochloride.