The approach to treating the cough, which has become a chronic problem, and maybe asthma [he needs spirometry testing] is doomed to have temporary effects in a lot of cases.
He needs a constitutional prescription and should be working with a well trained an experienced homeopath, to cure the cough, asthma and allergies, thus getting rid of the medications.
The case will open up well with homeopathic sulphur.
A single dose of 30C, or even 12C should be given as a test to make sure he does not excessively aggravate.
Some homeopaths would open this case up with calcarea. Some would sequence the treatment calcarea,lycopodium, sulfur.
In any case, the second prescription, if he needs one, will require more analysis and skill.
If he reacts well to a low potency of sulfur, he might tolerate a 200C if the symptom picture remains the same, but of course, only as needed.
As he comes off medications, the picture might change.
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