This yellow, oval pill imprinted with PA83 is a benzonatate 200 MG Oral Capsule, per the NIH.
Benzonatate is a human prescription drug. The active pharmaceutical ingredient is benzonatate and is classified as, "Decreased Tracheobronchial Stretch Receptor Activity [PE], Non-narcotic Antitussive [EPC]."
This pill is made by a total of 2 firms: (1) Barr Laboratories Inc., and (2) MedVantx, Inc.
There are 2 other yellow pills that with a similar imprint: "PA83". They may be a different dosage of the same drug or a different drug entirely.