Just a thought to think about. Drugs are not non-invasive. Their are side effects. Probably because the body knows what is good for it. Drugs are expensive and they line the pharmaceuticals pockets while they destroy our bodies. I am a believer in non- invasive approaches. There is some new technology about to come out and I have used this technology for 8 mos thru a research company and my swelling, sensitivity, pain have improved. It is not expensive. It feels good, I sleep better at night. I have better days. My pain specialist gives me the go to continue as she has noticed amazing improvement with my left arm/hand. Pain meds mess people up, and this device doesnt. I love what it has done for me . Please don't use Ketamine ever. Remember what goes in us we pay later for. Your body is an amazing machine it can heal if given time and rest and tlc.