Hypotension, tachycardia, dysrhythmia, edema, fatigue, insomnia, nervousness, agitation, confusion, dizziness, headache, lethargy, cerebral edema, hyperthermia, coma, rash, angioedema, urticaria, nausea, vomiting, dyspepsia, epigastric discomfort, heartburn, stomach pain, GI ulceration, gastric erosions & erythema, duodenal ulcers.