Which treatment works the best and fastest for foot swelling?

Elevation: Elevation is the best. If both feet are involved you may be retaining fluid from a medical cause and should be checked. Sometimes a diuretic is needed.

It depends: What the cause of the swelling. May the reason your heart weak, medications and elevation help .May be the leg broken, you elevate and medications. May be infection, you have to use antibiotic and elevation. Good luck. Thanks.

Depends on the cause: Some causes of swelling of the feet can include systemic problems such as hypertension, and problems with the kidneys and localized issues such as arthritis, infection, lymphatic obstruction, blood clots, varicose veins, trauma (fracture, sprain, tendonitis) and side effects to medication. Have it evaluated by a professional and get the appropriate treatment.