Can I take medications before a CBC test?

In most cases, you can take your prescribed medications before a CBC test without affecting the results. However, certain medications, such as corticosteroids, chemotherapy drugs, or immunosuppressants, can alter your white blood cell or platelet counts. It’s important to inform your healthcare provider of all medications, including supplements, that you’re taking. If any of your medications could interfere with the results, your doctor may suggest adjusting the timing of your dose or provide specific instructions before the test. Always follow your doctor’s advice to ensure accurate test outcomes.