Chronic Hiccups in Teen After Week of Norco

[Jynuine]

My daughter is 17 and had a deep cavity filled, a root canal and hand surgery all within a week and a half of each other ending up on Norco for all issues for ta total of a week and a half. Her hiccups started when she was on the Norco prior to the surgery. She had no complications during surgery.
She continued to take the norco until a day or two after surgery then coming completely off by that point.

That was 2 months ago and she still has hiccups. They happen during the night and randomly throughout the day. When she is active up and walking around or eating they increase and will cause her to belch.

Her lungs sound clear and the only other medicine she is on is a biological called Cimzia for her arthritis (which is like Enbrel or Humera) and she has been on that for 3 years with no issues. We do not believe it to be related.

We recently found out she has a very narrow airway due to a recessed jaw from her arthritis, but I cannot find any links to a narrow airway and hiccups and this has never happened before.

She does have very minor scoliosis and we have a physical therapy appointment for her in a few days to see if that changes anything. Im debating getting her in for a back adjustment- maybe something is out of alignment and resting on her Phrenic nerve? But I'm still at a loss as why she could have chronic hiccups for 2 months.