Symptoms of dopamine deficiency

The symptoms of a dopamine deficiency depend on the underlying cause. For example, a person with Parkinson’s disease will experience very different symptoms from someone with low dopamine levels due to drug use.

Some signs and symptoms of conditions related to a dopamine deficiency include:

  • Muscle cramps, spasms, or tremors
  • Aches and pains
  • Stiffness in the muscles
  • Loss of balance
  • Constipation
  • Difficulty eating and swallowing
  • Weight loss or weight gain
  • Gastroesophageal reflux disease (GERD)
  • Frequent pneumonia
  • Trouble sleeping or disturbed sleep
  • Low energy
  • An inability to focus
  • Moving or speaking more slowly than usual
  • Feeling fatigued
  • Feeling demotivated
  • Feeling inexplicably sad or tearful
  • Mood swings
  • Feeling hopeless
  • Having low self-esteem
  • Feeling guilt-ridden
  • Feeling anxious
  • Suicidal thoughts or thoughts of self-harm
  • Hallucinations
  • Delusions
  • Lack of insight or self-awareness