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Muscle tremors can be the result of excessive exercise, excess coffee in the diet, or cocaine use. However, in some cases, muscle tremors can be a sign of serious illness. In young people, muscle tremors may even indicate amyotrophic lateral sclerosis, and in seniors, the development of Parkinson's disease. Find out what muscle tremors mean.

Muscle tremorsis a movement disorder that consists of involuntary, rhythmic, alternating or oscillating (pendulum) movements of related muscle groups. They usually affect the hands, head, anatomical parts of the face, vocal ligaments (cords), the torso or the lower limbs. The tremors can be fast or slow, and appear at rest or after certain movements or positions are made.

Muscle tremors - causes. Vitamin deficiencies

Tremors can be the result of deficiencies in vitamins and minerals, especially potassium, magnesium and calcium - elements that have a significant effect on the nervous and muscular systems. Muscle tremors may also indicate a deficiency of B vitamins, which are also responsible for the proper functioning of the neuromuscular system. Also, an excess of certain vitamins in the diet, e.g. vitamin B1, may manifest itself in, among others, muscle tremors.

Muscle tremors - causes. Overload

Muscle twitching during exerciseorafter exerciseis not a cause for concern, as long as it is a slight muscle tremor. It is worse if the muscles are trembling so much that you cannot grasp anything with your hand or move. Then it is a sign of excessive load.

Muscle tremors - causes. Drug tremor

Tremor usually results from long-term use of drugs and certain substances. The most common causes of tremors are amiodarone, cyclosporine, haloperidol, caffeine, cocaine, lithium, metoclopramide, nicotine, SSRIs, thioridazine, and valproate.

Muscle tremors - causes. Alcohol withdrawal

Agitation and fine-wave tremors usually appear 24-72 hours after the last dose of alcohol. Occasionally, it may lead to a juice blood pressure, increased heart rate and fever.

Muscle tremors - what diseases can it indicate?

  • Parkinson's disease- manifested by alternating trembling of hands with littlefrequency, often causing the thumb to move closer to the index finger (known as spinning the pills). These tremors appear when the hands, for example, lie freely on the knees or along the body;
  • epilepsy- in the case of a focal seizure, only parts of the body may tremble, e.g. the hand, in the case of tonic-clonic seizures, there is a strong generalized trembling of the limbs and head;
  • Huntington's chorea -incl. seizures, tremors in arms and legs, loss of motor control, mental disorders and progressive memory loss;
  • Tourette's syndrome- uncontrolled tics, e.g. eye blinking, arm or head movements, grimaces, grunting, smacking;
  • tetany- tingling sensation, mainly in the fingertips and around the mouth, increased tension in the muscles of the face and limbs and their contracture;
  • kidney failure- apart from the marked trembling of the muscles of the arms and legs, pain in the lumbar region, swelling, weight gain, problems with urination appear;
  • hypoglycaemia (hypoglycaemia)- visual disturbances, increased sweating, trembling hands and feet, severe hunger, palpitations, headache, dizziness, drowsiness;
  • amyotrophic lateral sclerosis -muscle weakness, paresis or atrophy, patients may also suffer from muscle contracture and tremors;
  • damage to the cerebellum -impaired motor coordination (ataxia), inability to inhibit movement at any time (dysmetry), speech disorders;
  • Wilson's disease- liver enlargement, abdominal pain, yellowish discoloration of the skin, muscle tension disorders, movement disorders in the form of tremors in the limbs and head;
  • endocrine disorders , metabolic or toxic origin, e.g. pheochromocytoma, hyperparathyroidism, hyperthyroidism, heavy metal poisoning;
  • neurosis- tremors, seizures resembling epilepsy, as well as paresis, paralysis, and even loss of consciousness are characteristic of hysterical neurosis;
About the authorMonika Majewska A journalist specializing in he alth issues, especially in the areas of medicine, he alth protection and he althy eating. Author of news, guides, interviews with experts and reports. Participant of the largest Polish National Medical Conference "Polish woman in Europe", organized by the "Journalists for He alth" Association, as well as specialist workshops and seminars for journalists organized by the Association.

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Neurology