I Am A Male 52 Years Of Age . Currently

I am a male 52 years of age . Currently on medication for hypertensioon . not sure if this is related , I have been experiencing leg pain over the last two months . I have not injured my leg , I walk on average approx. 1.5 miles per day @ work up and down stairs , property maintenance , etc,
Some days wore than others primarily behind my knee thigh to calf . It has progressed to a constant limp
as mentioned some days worse than others