Symdex D is a combination medication that contains Phenylpropanolamine Hydrochloride (25mg), Chlorphenamine Maleate (2mg), and Paracetamol (325mg) per tablet. It is commonly used to relieve symptoms of colds, allergies, and flu, such as nasal congestion, sneezing, runny nose, and fever. The Phenylpropanolamine acts as a decongestant, Chlorphenamine is an antihistamine that helps with allergy symptoms, and Paracetamol provides pain and fever relief. This product is typically available in a pack of 100 tablets. Always follow the recommended dosage and consult a healthcare provider before use.