Though i'm sure if an asthma patient came in with terrible TART findings in T1-4 I'd so something for it and call the OMT an adjunct to the inhaler id be prescribing.
I just wanted to give my take on this (and I'm going to go somewhat off-topic). I've shadowed a doc who had a patient with somewhat uncontrolled asthma. I'm also an asthmatic, so this case was of particular interest to me. Nothing feels as terrifying as waking up unable to breathe at 4am and wondering if you can get medication into your lungs before you pass out.
In my opinion and in the eyes of the DO I shadowed, there's no substitute for meds in this situation. You absolutely need to get the patient's asthma under control. Using OMT as some kind of miracle cure for the actual respiratory issues would be incredibly negligent. The good thing is that OMT isn't actually indicated for such things. If a DO treated that patient with OMT and then sent them out the door without a script, they'd be having a long talk with their licensing board (you know... if the board found out).
That said, there's still a use for OMT here. An asthmatic (or really, anybody with respiratory issues) is likely to have muscle pain and hypertonicity due to increased breathing effort. If I can examine a patient, prescribe whatever meds they need, and then relieve a bit of their pain or free up some rib cage motion with a of couple quick OMT techniques, isn't that good? I'm not just kicking my patient out with a script and a bill.
One of the common complaints about OMT is that it hasn't been studied enough (and I agree, although there has been some research). That's not even really relevant to this situation. One thing that's indisputable about OMT is that it feels really good (ask any DO student). Seeing as asthma can be stress-induced, it could actually be beneficial to have my patient leave feeling a bit more relaxed. They go home happy, something that should make even the most jaded physician happy. After all, you just snagged some patient loyalty. Also, happy patients tend to sue less even when malpractice actually happens. If you actually give a damn about your patient (I know, altruism barely exists within our generation but just go along with it), then you get the bonus of feeling good about improving your patient's mood.
To me, it's a win/win. If my OMT techniques actually do result in physical changes, then it's just like icing on top of the cake. For a non-invasive, relatively fast, and cost-free technique, I wasn't expecting massive therapeutic gains anyway. If the OMT has no effect whatsoever, well, their meds should take care of the main problem anyway. Hopefully, the non-physical effects will stick.
OMT is a tool like anything else. You don't prescribe gentamycin for
B. fragilis induced peritonitis and you don't use OMT to cure cancer. I know I'm going beyond the OP's topic, but, to me it's important to give a perspective on OMT and the DO profession that doesn't have something to with "OMM IS QUACKERY" arguments.