Drug Addiction Symptoms and Signs

Symptoms and Signs
Overall Signs and Symptoms of Drug Addiction
Opiates (Opioids) and Narcotics
Stimulants
Hallucinogens
General Clinical Symptoms of Drug Addiction

Symptoms and Signs

The symptoms and signs of drug addiction are varied. Depending upon the drug, a variety of symptoms may be present. First-time users may not be as familiar with the symptoms of addiction, especially those related to use and withdrawal. People who have been addicted to drugs and who have gone through the withdrawal process know what the signs are and what to expect. They are often unwilling to seek help on their own.

In all cases, drugs alter the chemical balance in the brain. Indeed, drugs change the physical structure and function of the brain.

Overall Signs and Symptoms of Drug Addiction:

The list below includes medical and clinical signs of addiction that are reflective of certain category of drugs. Decrease in responsiveness, suppression of brain activity, agitation, abnormal pulse rate, sleepiness, or inability to sleep are symptoms that are generally associated with drug addiction. Below, the list is broken down into drug classification with attending symptoms of abusive use.

Opiates (Opioids) and Narcotics

  • Track marks
  • Scars on skin from abscesses
  • Rapid heart beat
  • Infection of the heart lining
  • Liver and kidney disease
  • Nodding off
  • Respiratory suppression
  • Constipation

Stimulants

  • Exaggerated feelings of euphoria
  • Dilated pupils
  • Rapid heart beat
  • Hyperactivity
  • Agitation
  • Confusion
  • Restlessness
  • Detrimental to memory
  • Drowsiness
  • Constipation
  • Depressed breathing
  • Decreased heart rate
  • Paranoia
  • Lack of coordination

Hallucinogens

  • Anxiety
  • Paranoid delusions
  • Blurred vision
  • Tremors

General Clinical Symptoms of Drug Addiction

  • Stealing
  • Insomnia
  • Depression
  • Anxiety
  • Relationship problems
  • Inability to attend to school or work
  • Financial irresponsibility
  • Legal issues
  • Lack of personal hygiene