--Sumatriptan: Dizziness, drowsiness, sensations of tingling, numbness, prickling, heat, tiredness, weakness, feeling of heaviness in body parts, flushing, feeling sick, discomfort in the nose or throat, muscle stiffness, feeling weak, feeling hot or cold, pressure or tightness in any part of body, unusual feelings in mouth, shortness of breath. Naproxen: Indigestion, heartburn, stomach pain, nausea, headache, dizziness, drowsiness, itching, skin rashes, ringing in the ears, swelling of hands and feet.