When youre suffering from a cough and a cold at night you often have a blocked up nose which can make breathing difficult benylin mucus cough night soothes and relieves your night time cough clears a blocked up nose and aids restful sleepas an alternative doctors can also prescribe medication that can assist with flu please visit our online doctor service to proceed with an influenza consultation our uk registered gp will review your details and if appropriate can provide a prescription