Why do hands shake randomly and uncontrollably throughout the day?

Hands don't typically shake randomly and uncontrollably throughout the day. However, there are several conditions and factors that can cause hand tremors or shaking, including:

- Essential Tremor: Essential tremor (ET) is a common movement disorder that causes involuntary trembling in the hands and sometimes the head, voice, and other parts of the body. It usually begins in adulthood and can worsen with age.

- Parkinson's Disease: Parkinson's disease is a progressive neurological disorder that affects movement, causing symptoms like resting tremor, stiffness, slowness of movement, and impaired coordination.

- Hyperthyroidism: Hyperthyroidism occurs when your thyroid gland produces too much thyroid hormone, causing symptoms like increased appetite, weight loss, anxiety, tremors, and heart problems.

- Anxiety Disorders: High levels of anxiety can trigger hand tremors or trembling in some people.

- Caffeine and Stimulants: Consuming too much caffeine or other stimulants like nicotine can lead to hand tremors and other symptoms of overstimulation.

- Medications: Certain medications, including some antidepressants, antipsychotics, and decongestants, can cause tremors or shaking as a side effect.

- Electrolyte Imbalance: Low levels of blood sugar (hypoglycemia) or electrolytes such as potassium and magnesium can result in tremors and shaking.

- Drug and Alcohol Withdrawal: Withdrawal from certain drugs or alcohol can cause tremors as a symptom of the withdrawal process.

- Stress and Fatigue: Excessive stress and fatigue can sometimes lead to hand tremors in susceptible individuals.

- Other Medical Conditions: In rare cases, hand tremors can be associated with underlying medical issues such as brain injuries, multiple sclerosis, or nervous system disorders.

It's important to note that if your hands are shaking randomly and uncontrollably, it is recommended to consult a doctor for an accurate diagnosis and appropriate treatment. Some conditions mentioned can be managed or treated to reduce tremors and address any underlying causes.