Hi and thanks for your post and question - it's a good one! You may be aware we cannot provide medical advice or diagnostics over the internet (for your own safety), but your concern certainly warrants a reply.
There are so many over-the-counter (OTC) cough remedies that it is understandable that you might want some guidance in choosing what would be best for yourself and, your particular level of disease. This is something you may want to discuss with your physician. Your doctor knows you best and will be able to guide you accordingly. Alternatively, you may want to discuss this with your local pharmacist. Pharmacists can be a tremendously helpful resource when it comes to the array of OTC products that are available.
What do you think?
Leon L (author / site moderator)