Unlike cocaine, a vasoconstrictor, procaine does not have the euphoric and addictive qualities that put it at risk for abuse.

What are the side effects of procaine?

• diarrhea that is watery or bloody;
• peeling skin , severe pain, or changes in skin color where the medicine was injected;
• dizziness, joint or muscle pain;
• fast or pounding heartbeats;
• numbness, tingling, pain, swelling, or redness in your arms or legs;

Does procaine make you sleepy?

Procaine side effects dizziness or drowsiness; anxiety or restlessness; nausea or vomiting; or. trembling, shaking, or seizures (convulsions).