How would doctors recommend i treat red bloches on my skin from vinegar?

Give it time: The acid of vinegar--acetic acid--probably caused some minor burns and discoloration. There isn't much you can do but wait for the skin to heal. Minimize/avoid exposure to sun as intense sun exposure can make the discoloration worse. Obviously make-up cover gives instant change, but otherwise it may take several weeks to months to normalize, depending on how severe it is. Consult doc. Good luck.