Pain:
Valtran (en.m.wikipedia.org/wiki/Tilidine)
Parkinson:
CBD (www.projectcbd.org/science/cannabis-pharmacology/cbd-and-parkinsons-disease)
Narcosis/pain:
Zaldiar (www.medicalook.com/reviews/Zaldiar.html)
Tinitus/migraine:
Siberian 10 mg (www.lybrate.com/medicine/sibelium-10-mg-tablet)