Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Tell your caregiver right away if you have:
twitching, tremors, seizure (convulsions);
a light-headed feeling, like you might pass out;
slow heart rate, weak pulse, weak or shallow breathing;
sudden feeling of heat, cold, or numbness;
muscle stiffness and pain;
weak or shallow breathing;
blue appearance of the skin; or
severe anxiety, unusual fear or uneasy feeling.
Common side effects may include:
drowsiness, dizziness;
nausea, vomiting;
feeling hot or cold;
confusion, ringing in your ears, blurred vision, double vision; or
numbness in places where the medicine is accidentally applied.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
 Xylocaine-MPF side effects (more detail)
