Stay well hydrated
Perform gentle neck stretches
Use light self-massage toward the collarbone
Apply a warm compress to the neck
Maintain good posture
Practice deep breathing
Walk or do light physical activity regularly
Get adequate sleep
Reduce salt intake
Avoid tight collars or restrictive clothing
Keep the head elevated while resting
Treat underlying infections or allergies promptly
Stop self-massage if it causes pain or swelling
Seek medical care if swelling is persistent, hard, painful, or unexplained