You get a Serum Uric Acid level checked. it might be raised. Other thing is Plantar Fascitis. In which difficulty in placing first step after sleep in the morning. Get Uric acid level. Use a simple bath called contarst bath. In which feet are imersed in luke warm water for 5 minutes and both feet are imersed. then keep in other ute sil with normal cold
water. repeat it once again and then go to bed.