hi,my dad is 58 years old,he is diabetic since 7-8 years.He has been taking Galvus-Met 50/500 mg twice a day.Recently he has been diagonised of chest infection and the doctor has prescribed him Akruit 4.He is taking this medicine since 13 Feb(4 days) and presently he is suffering from visual impairment and vomiting since the take in of Akruit 4.So kindly advice what should we do?