Alkof Cofgels Capsule is used to treat dry cough. It improves allergy symptoms including sneezing, runny nose, watery eyes, itching, swelling (in the eyes, nose, and throat), and nasal congestion. It also thins and loosens mucous, making coughing easier.Its composition includes chlorpheniramine, dextromethorphan, phenylephrine that work synergistically to treat your dry cough.Its composition includes chlorpheniramine, dextromethorphan, phenylephrine that work synergistically to treat your dry cough. Alkof Cofgels Capsule is taken with or without food, according to the doctor's instructions. The dose you receive will be determined by your medical condition and how you react to the medication. You should continue to take this medication for as long as your doctor advises. If you stop taking your medication too soon, your symptoms may return and your condition may deteriorate. Tell your doctor about any other drugs you're taking, as some of them may interact with or be affected by this one.