Infantile-onset Pompe disease: Tachycardia; flushing; tachypnoea, cough; vomiting; urticaria, rash; pyrexia; decreased O
2 saturation. Agitation; tremor; cyanosis; HTN, pallor; retching, nausea; erythema, rash maculopapular/macular/papular, pruritus; irritability, chills; increased heart rate, BP, body temp. Late-onset Pompe disease: Hypersensitivity; dizziness, paraesthesia, headache; flushing; throat tightness; diarrhoea, vomiting, nausea; urticaria, rash papular, pruritus, hyperhidrosis; muscle spasms/twitching, myalgia; pyrexia, chest discomfort, peripheral oedema, local swelling, fatigue, feeling hot; increased BP.