When many people hear the phrase "medical malpractice" they think about surgical errors or botched medical procedures or general negligence by a doctor or medical facility that is supposed to have the patient's best interests at heart, but instead takes a decidedly dangerous and unflattering route that compromises the health of the patient. These are all, indeed, examples of medical malpractice, but medication errors isn't on this list.
Medications errors are serious threats to the health of patients who trust their doctors -- and their pharmacists -- to handle medicines appropriately and correctly. Few patients are going to do the digging necessary to ensure the pills in their bottle match the name of the medicine they are supposed to have. This is why it is so critical for medications to be properly filled.