What Are The Pimple Like Bumps At The Bottom Of My Foot?

hi i weight 65kg height 165cms(5.5ft)36 male looks much younger and healthy,health consious,avoids junk,eats healthy like olive oil,camel milk ,oats,dry fruits are my part of daily diets,from few months i got pimple like bumps at the bottom of my foots and some time between fingers of feet .i burst few with clear watery fluid they dry up and i peel of the skin,i feel they develop at the otherplaces where the fluid touched.and my feet and hands get dry as well.10 months ago i got same kind of ripe looking pimples,painless and would burst with clear liquid inside and used to spread.they were all over my pelvis area and lower stomach and they stayed there for 3 months ,then i got some cream from pharmacy and they disappeared.now from few days i started to take a ayurvedic blood purifier tonic called safi