Benylin for Flu 200ml is a medicine designed to relieve flu symptoms such as fever, headache, body aches, nasal congestion, and cough. It contains paracetamol (pain relief and fever reduction), diphenhydramine (an antihistamine for a runny nose), and pseudoephedrine (a decongestant to clear nasal passages). Suitable for short-term use in adults and children over a certain age , it helps you feel better while your body fights off the flu.