A tremor is an involuntary muscle movement that is common in the hands. Most people's hands shake very slightly when they move them. Several health concerns can cause more noticeable shaking, but periodic hand tremors are normal and don't typically indicate serious illness. If your teen's hands suddenly develop frequent tremors, consult her pediatrician.
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Mental Health Issues
Anxiety and depression are common among teenagers. Pressure at school, fights with friends and conflict with parents all contribute to the high stress many teenagers experience. Involuntary muscle spasms, particularly shaking hands, are common symptoms of anxiety. Encourage your teen to talk to friends, meditate and speak to a counselor if you are concerned about her emotional well-being.
Many teenagers experiment with drugs and alcohol at least once. Stimulant drugs frequently cause jittery behavior and hand-shaking. Teens who suffer from drug addiction may experience hand tremors when they don't take drugs. Talk to your teen and her pediatrician if you are concerned she might be using drugs.
Dehydration and hunger cause hand tremors. Encourage your teen to remain hydrated and to eat healthy meals. Caffeine raises the heart rate and may cause muscle spasms. If your child consumes too much caffeine, her hands may shake.
Low blood sugar sometimes causes hand tremors. If your teen's hands have been shaking consistently for several weeks, have her tested for diabetes. Muscular problems, including overuse and injuries, may also cause shaky hands.