What side effects may I notice from receiving Methylin?

Side effects that you should report to your doctor or health care professional as soon as possible:
-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-changes in vision
-chest pain or chest tightness
-fast, irregular heartbeat
-fingers or toes feel numb, cool, painful
-hallucination, loss of contact with reality
-high blood pressure
-males: prolonged or painful erection
-seizures
-severe headaches
-shortness of breath
-suicidal thoughts or other mood changes
-trouble walking, dizziness, loss of balance or coordination
-uncontrollable head, mouth, neck, arm, or leg movements
-unusual bleeding or bruising

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-anxious
-headache
-loss of appetite
-nausea, vomiting
-trouble sleeping
-weight loss

This list may not describe all possible side effects for Methylin. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.