“…Certain drug classes are particularly vulnerable to drug shortages, including central nervous system agents, anti-infective agents, cardiovascular drugs, dermatology drugs, gastrointestinal drugs, hormones and synthetic substitutes, electrolytic, caloric and water balance agents, and cancer medicines. 1 This means that some of the most disadvantaged populations, such as critically ill patients, 17,18 or patients with rare metabolic diseases, 5 are most likely to face the additional burden of drug shortages, thus increasing already existing inequities in health care delivery.…”