Sodium is known to raise blood pressure (and sometimes greatly), so doctors generally recommend limiting it. Check with your healthcare professional before you up your intake -- if you consume an amount that's not good for you, it can lead to heart failure (especially if you're older).
Other possible causes for foot, leg, and ankle swelling include certain medical conditions or body changes, such as: Natural hormonal changes: Fluctuating levels of estrogen and progesterone can cause reduced circulation in the legs, resulting in swelling.
Osteoarthritis happens when the cartilage in your joints breaks down causing pain, stiffness, and swelling. Excessive caffeine use can cause irritability, difficulty sleeping, anger, depression, and fatigue. A slipped capital femoral epiphysis can cause knee pain, walking with a limp, hip pain, and more. Anemia , a lack of red blood cells, can cause fatigue, pale skin and gums, brittle nails, irritability, and more.