What is the best way to treat neck pain?

Variable: It is not feasible to determine the cause of your neck pain based on provided information. But generically, could consider range of motion enhancement by stretching, and a McKenzie exercise program provided by a physical therapist. Some patients like soft cervical collars and others feel better with OTC analgesics. A virtual consult here on HT might provide more specific information.

See below: You may want to try applying moist heat to your neck 2-3 times per day and start a short course of anti-inflammatory such as advil or aleve (naproxen). Make sure you have a good lumbar support if you sit in a chair several hours per day. This will help with posture and will reduce stress on the neck. You can also try a topical pain cream for neck pain like AcuPlus.