Indeed, some will. However if the patient-doctor relationship has been long term & (s)he has seen otherwise good progress since the beginning of vaping, like improved breathing, getting around better, etc, will look for the cause & not blame it solely on that alone. On the other hand, certain flavors like those that contains citrus or other acid (the types that causes plastic tanks to break or glue to separate) may cause issues for some, as well as nickel based wire. Kanthal now leaves a long lasting bad taste in my mouth, if I go to bed with it there, will wake with indigestion. Therefore, I've avoided Kanthal for the last 3-4 years.
Some finds that too much PG in the ejuice is unpleasant & can cause irritation. Note that with some vendors, there may be incorrect labeling as to what's in the bottle. Especially discount sites. While sometimes one will find a legit deal for $29.99 ejuice at 50% off or more, it's important to know the source & check expiration dates, if on the bottle. This is why except for one flavor from a trusted source, I make my own, using only Nicotine River to obtain well rated flavors.
You can always revert short term to an ego style device & whatever ejuice you began with to start the ruling out process.
This may mean the need to seek out a second opinion, there's a cure (or effective relief) for most of these type of issues. There could be an entirely non-vaping reason behind the disorder.
I agree with this, seek the advice of a licensed physician. If payment is a concern, consider a medical school, if available in your area. Most will work with patients for little to no cost, as long as income levels are under their guidelines. Plus don't mention having a credit card, this is a fast way to deny what's often called 'charity care'.
Some communities also has walk in clinics where one can get free (or low cost) quality health care, just have to get in line early, as many doesn't accept appointments. This ensures the quality of care versus a rushed 15 minute visit that insurers demands, unless a higher level of care is needed. These clinics has various specialists and the care is generally as good as that of an expensive one. After all, they're still licensed physicians. When growing up, my family was poor & we all went to a medical school (UNC-Chapel Hill) for 100% no-cost care. So explore your options.
I hope the best outcome for you, take care of yourself.
Cat