When to worry about dizziness with anaemia

Anaemia means the blood may carry less oxygen to tissues. This can leave you lightheaded, tired, short of breath with activity, pale, or aware of a fast heartbeat. Dizziness may be worse when standing because the body is adjusting to a change in blood flow. The symptom has other possible causes, so testing is needed to identify anaemia and look for contributors such as blood loss or low nutrient levels.

Sit or lie down until the sensation passes, rise slowly, and avoid driving or climbing while unsteady. Keep fluids steady unless a clinician has given you a fluid restriction. Take prescribed iron or other treatment as directed, but do not start supplements just from a dizziness symptom because the cause and safe dose need checking. Book a medical review for repeated episodes, increasing fatigue, or reduced ability to manage usual activities.

Call emergency services for fainting with ongoing symptoms, chest pressure, severe breathing difficulty, new confusion, weakness on one side, or a sudden severe headache. Get prompt assessment for vomiting blood, black or bloody stools, unusually heavy vaginal bleeding, or dizziness after an injury. Even without these signs, worsening dizziness or a racing heartbeat at rest deserves timely clinical advice.

Ask which blood tests can confirm the type and cause of anaemia, whether blood loss needs investigation, and how treatment will be monitored. Clarify when to take prescribed supplements, which side effects to report, and what activity is safe while dizziness continues.