Occasional thumb vibrations that stop when you focus may be due to muscle fatigue, stress, or minor nerve irritation rather than the medication itself. Ensuring proper rest, gentle hand exercises, and reducing tension can help. Consult your doctor to rule out any nerve or medication-related issues.

Some blood pressure medicines may slightly affect blood sugar levels, so alternatives with minimal impact on blood sugar can be considered. Lifestyle changes such as diet, exercise, and weight management also help control both blood pressure and blood sugar. You should consult your doctor to discuss suitable alternative medications.