A protective cover for a syringe needle includes a sheath and a needle hub. The sheath preferably includes a cylindrical body terminated with a bullet shaped end. The needle hub includes a needle base and a hypodermic needle retained in the needle base. The needle base includes a bullet shape and a locking projection extending from an outer perimeter of the needle base. A lengthwise slot is formed through the cylindrical body. The lengthwise slot receives a button portion of the locking projection. A retracted locking notch is formed on one end of the extension slot. An extended locking notch is formed on an opposing end of the lengthwise slot. The button portion is retained in the retracted locking notch or the extended locking notch. A second embodiment of the protective cover includes a sheath and a needle hub. The needle hub is slidably retained in the sheath.