Fludrex is a medication that helps alleviate symptoms associated with the common cold and flu, such as stuffy and runny nose, headaches, and fever. Its formula includes Paracetamol, which is effective in reducing body temperature and relieving aches and pains. It also contains Pseudoephedrine HCI, which helps clear nasal congestion. Additionally, Fludrex includes Chlorpheniramine maleate, which is a short-acting antihistamine that has a milder sedative effect compared to other antihistamines.