IARs in patients treated with Myozyme in clinical studies and expanded access programs and reported in more than 1 patient included rash, flushing, urticaria, pyrexia, cough, tachycardia, decreased oxygen saturation, vomiting, tachypnea, agitation, increased blood pressure, cyanosis, hypertension, irritability, pallor, pruritus, retching, chills, tremor, hypotension, heart rate increased, bronchospasm, erythema, face edema, feeling hot, headache, hyperhidrosis, lacrimation increased, livedo reticularis, nausea, periorbital edema, restlessness and wheezing.