Beechams Max Strength All-in-One Capsules relieve cold and flu symptoms, including aches and pains, blocked noses, and chesty coughs. These capsules contain paracetamol, a painkiller that also lessens fever. They also contain guaifenesin, an expectorant that loosens thick mucus, and phenylephrine hydrochloride that unblocks congested sinuses and noses. They're suitable for adults and children aged 16 and above, and contain paracetamol, guaifenesin, and phenylephrine hydrochloride.