My husband is 59, has swollen ankles, sore, stiff, the lat 2 days, 2 red spot on the back of one calf sore to the touch. On the other leg ankle and calf, he has what looks like a rash. did a touch thermometer test on the rash leg. 103 degrees. head is 101.9, other leg at 102. He has gone to urgent care. ideas? blood clot? He is about 30 lbs overweight. non smoker.