In rare cases, patients have reported the following: gastroenteritis, oral thrush, vaginitis, benign skin growth, sleep disturbance, anxiety, affect lability, memory loss, numbness round the mouth (paraesthesia circumoral), hyperaesthesia, hypertonia, nerve root lesion, neuralgia, migraine, cerebrovascular disorder, parosmia, deafness, heart and circulatory problems (including palpitations, myocardial ischaemia, hypertension, varicose veins), lymphoedema, lung oedema, stridor, gastritis,