You can ease your sore feet with natural remedies like Vinegar with hot water and let your feet soak in to treat sprain, Cayenne Pepper can be sprinkled on feet to reduce inflammation, Massage your feet with olive or sesame oil to promote blood flow, Mustard seeds can be grounded before adding to water for soaking feet to remove toxins and, Sage with Apple Cider Vinegar boiled mixture could be placed on affected area with a soaked cloth.