Lemsip Max Day & Night Cold & Flu Relief Capsules, for relief from cold & flu symptoms. Lemsip Max Day & Night Cold & Flu Relief Capsules contain a combination of ingredients which are effective in relieving the symptoms associated with colds & flu including relief of aches & pains, sore throat, headache, nasal congestion & lowering of temperature. Paracetamol is a well-known painkiller (analgesic). It is effective against aches & pains including a headache & can also reduce a fever (antipyretic). Phenylephrine hydrochloride (nasal decongestant) reduces swelling in the passages of the nose relieving nasal congestion & reducing the pressure, which may cause a headache. There are two types of capsules in the pack: Day Capsule Each red & yellow Day capsule contains the extra ingredient caffeine, which acts as a mild stimulant to relieve fatigue & drowsiness during the day. Night Capsule Each blue & red night capsule which contains paracetamol & phenylphrine hydrochloride helps allow sleep through relief of nasal congestion. The night capsule does not contain any ingredients to make you drowsy.