My entry is a cross representing health and a pill at the same time by giving it volume to the cross. (this comment refers to entries #16, #17 and #18)
This other entry is a cross with a snake, symbol of the medicine (this comment refers to entry #19) My other entries is the head of the stilzed snake with a rounded cross symbolizing health, medicine, and pills. (this comment refers to entries #20 and #21) ___________
Ancient Greeks created the "Caduceus"; a Greek medical symbol of a snake wrapped around a staff. Today the staff of Asclepius with snake entwined is used as a symbol by many professional medical organizations all over the world.
Updated. I made two versions of it, one of them with light effects, just in case you like that type of desing. (this comment refers to entries #27 and #28) Thanks for the feedback.
Other proposals working with a first aid kit and a mouse pointer reflecting health and an online business. (This comment refers to entries #88, #89, #90, #91, #92 and #93)