I Am A 63 Yr Old Very Active Female; 5'1"

I am a 63 yr old very active female; 5'1" about 134lbs & in the last few month & quite a bit in the last 2 weeks, i have started swelling of my feet, ankles & legs. I;m in central texas & it has been hot 95-100. When i do my 3 mi in the morning, my hands swell some cause my rings feel tight.