Cephalexin 500mg is a commonly prescribed antibiotic used to treat bacterial infections. It is generally safe, but it may interact with other medications. Before taking cephalexin 500mg, consult your doctor if you are using blood thinners, probenecid, or metformin, as interactions may occur. Antacids containing magnesium or aluminum can also affectcephalexin 500mg absorption. Always inform your healthcare provider about any medications, supplements, or underlying conditions to avoid adverse effects. Completing the full course of cephalexin 500mg as prescribed is essential for effectiveness. If you experience side effects or unusual symptoms, seek medical advice immediately.