An apparent hypersensitivity reaction has been reported (< 1%) This is characterised by multiple symptoms that may include: angio-oedema, pruritus, erythema, paraesthesia, loss of consciousness, vomiting, urticaria, flushing, dyspnoea, nausea, incontinence of urine and stool, cold sweats, shivering, chills, increased blood pressure, lip swelling, burning sensation, drug eruption, arthralgia, leg swelling, and tachycardia.