Lemsip with paracetamol capsules. View of bubble packs of Lemsip with paracetamol drug capsules. Lemsip is a common cold remedy which contains phenylephrine, a decongestant drug. Paracetamol is a mild analgesic (painkilling) drug which belongs to the class of drugs known as non- steroidal anti-inflammatory drugs. The Lemsip capsules are time-release capsules, which, when taken orally, are an effective way of taking drugs which are not destroyed by the digestive system. The capsules gradually release the drug over a period of time. Bubble packs protect products such as pharmaceuticals from oxidation from the air.