A medication dosage reminder sleeve apparatus for use in connection with a medicine container, comprising: a sleeve material comprising a transparent surface thereof, comprising a closed surface with a circumference substantially equal to a circumference of the medicine container with which the apparatus is to be used, wherein the sleeve material will conform to a shape of, and fit snugly upon the medicine container, when placed over at least part of the medicine container; and affixed to the sleeve material, at least one dosage reminder system; wherein: the sleeve material omits any adhesive on a surface thereof which contacts the medicine container when placed thereover; the sleeve material in combination with the dosage reminder system can, at will, be attached to, removed from, and slidably adjusted upon the medicine container; and the transparency of the sleeve material enables information printed on the medicine container to be seen through the transparent sleeve material while the transparent sleeve material is placed over at least part of the medicine container.