How do members experience Watkins Menthol Camphor Rub? Top 5 reported purposes & perceived effectiveness Purpose Patients Evaluations Perceived Effectiveness This item is relevant to you: Bulging disc 1 0 0% 0% 0% 0% 0% This item is relevant to you: Pain in back of neck and shoulders 1 0 0% 0% 0% 0% 0%