"Mountain anemia", also known as "altitude sickness", refers to a set of symptoms that occur when individuals ascend to high altitudes too quickly. Some common synonyms for this condition include "acute mountain sickness (AMS)", "altitude illness", or simply "mountain sickness". These terms all describe the same phenomenon characterized by headaches, fatigue, dizziness, nausea, and shortness of breath. Other related expressions include "high altitude sickness" or "hypobaropathy". Regardless of the chosen synonym, it is crucial for individuals venturing into high-altitude regions to take proper precautions and acclimatize gradually, allowing their bodies to adapt to the conditions and minimize the risk of developing mountain anemia or any related symptoms.