Short-Term Effects of Cocaine Use

In the short term, cocaine can cause:

• Talkativeness and sociability.
• Extreme mental alertness.
• Nervousness and jumpiness.
• Anxiety, especially about being caught using.
• Irritability.
• Paranoia.
• Diminished decision-making ability.
• Insomnia.
• Tremors and dizziness.
• Muscle twitches and spasms.
• Lost self-control.
• Violent behavior.
• Dry mouth.
• Constricted blood vessels.
• Dilated pupils.
• Decreased appetite.
• Abdominal pain and nausea.
• Blurred vision.
• Fever.
• Increased heart rate and blood pressure.
• Impotence combined with excessive interest in sex.