Hi, it could be Essential tremors... Essential tremor is a nervous system disorder (neurological disorder) that causes a rhythmic shaking. Essential tremor can affect almost any part of your body, but the trembling occurs most often in your hands. Avoid caffeine. Avoid caffeine and other stimulants because they can increase your tremors. Learn to relax. Stress and anxiety tend to make tremors worse, and being relaxed may improve tremors. Although you can't eliminate all stress from your life, you can change how you react to stressful situations using a range of relaxation techniques, such as massage or meditation. Make lifestyle changes. Use the hand less affected by tremor more often. Find ways to avoid writing with the hand affected by tremor, such as using online banking and debit cards instead of writing checks. Try using voice-activated dialing on your cellphone and speech-recognition software on your computer. Therapists may offer you other suggestions to adapt to essential tremor in your daily life.