1. Effectiveness: Myoril (Thiocolchicoside 8 mg) is a muscle relaxant that may help reduce muscle stiffness and improve mobility, potentially easing your neck and back pain.

2. Safety: Use under medical supervision. It should be taken as prescribed, considering your overall health and any other medications.

3. Underlying Cause: Your symptoms could be due to muscle strain, arthritis, or nerve issues. A proper diagnosis is important.

4. Additional Measures: Consider physical therapy, gentle exercises, and posture correction alongside medication.

Consult a healthcare professional for a tailored treatment plan. Avoid self-medicating with muscle relaxants without guidance.