On Læsø you'll find three shops with non prescription drugs for sale. The shop with the widest selection is located at
Læsø Garnspinderi, Byrum Hovedgade 19
In addition to that the supermarkets in Vesterø and Østerby has smaller selections
Dagli' Brugsen, Vesterø Havnegade 6
Min Købmand, Østerby Havnegade 2