■ Poor choice of medicine
■ Polypharmacy or co-prescribing of interacting medicine
■ Prescribing for a self-limiting condition
■ Continuing to prescribe for a longer period than needed
■ Prescribing too low a dose of a medicine
■ Prescribing without taking account of the patient’s wishes.
■ Inadequate examination of patient
■ Incomplete communication between patient and doctor
■ Lack of documented medical history
■ Inadequate laboratory resources