What does it mean if my ankles are swollen?

Ankles that puff up on both sides by the end of the day are usually about gravity and plumbing, not danger. Long days standing or sitting, salty food, hot weather, and travel all pool fluid downward. Common medications do it too - some blood pressure pills, especially amlodipine, plus steroids and some diabetes drugs. Pregnancy adds its own fluid load. Elevation and less salt usually show the effect within days. When puffy ankles are a message: swelling that is new, worsening, or no longer gone by morning, especially with other symptoms. MedlinePlus notes that leg and ankle swelling can signal heart failure - the heart not keeping up, so fluid backs up - and the companion signs are breathlessness on exertion or lying flat, and unusual fatigue. Kidney problems leak fluid similarly, often with puffy eyes in the morning. And veins that cannot push blood back up - chronic venous insufficiency - cause brownish, heavy ankles by evening. Two patterns skip the routine queue: one-sided swelling, which is the blood-clot pattern, and sudden swelling in pregnancy with headache or vision changes, which is a preeclampsia warning. Both mean same-day care. Pymander is a free AI doctor, 24/7 by text. Describe when the swelling appears and what else you feel, and it can help you judge the cause.