A composition match, not medical advice.
Alkof Dx Plus Syrup 100ml contains Chlorpheniramine Maleate 2mg + Dextromethorphan Hydrobromide 15mg + Phenylephrine 5mg, as a syrup. It is made by Alkem Laboratories Ltd.
No, it is sold over the counter. Ask a doctor or pharmacist if you are unsure whether it suits you.
Yes. Phenylephrine 5 mg, Chlorpheniramine 2 mg and Dextromethorphan 15 mg Syrup is a Jan Aushadhi medicine with the same salt, the same strength and the same form. On JanAushadhiOnline it costs ₹28.13 for 100 mls (₹0.3 / ml), against ₹2.0 / ml for Alkof Dx Plus Syrup 100ml at its printed MRP — 85% less per ml. Ask your doctor before changing a brand.