Increased heart rate
High blood pressure
Increased body temperature
Stomach pain, nausea
Loss of appetite, malnourishment
Heart damage and heart attack
Stroke
Death
Loss of smell, nosebleeds, and problems swallowing
Higher risk of HIV and hepatitis C due to sharing needles or other drug equipment
When used during pregnancy it can cause spontaneous abortion, low birth weight, birth defects, and a baby born addicted to the drug