Muscle spasm: The symptoms you describe are from spasm (prolonged muscle contraction) of the small muscles of the thumb/index finger. This can be caused by a variety of conditions, but most commonly fatigue of the muscles from overuse, dehydration, and/or new activities that tax these muscles more than usual. At your age, it is unlikely a serious concern. If symptoms persist, recommend a virtual consult
Answered 1/6/2019
1.7k views
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question