Light-sensitive medicines are not uncommon and represent a problem in the stability of medicines that should not be neglected. In addition to the loss of active ingredients, toxic degradation products can also result from exposure to light.
If a medicinal product proves to be light-sensitive, the manufacturer must provide separate instructions for storage in the package leaflet. Light protection can usually be sufficiently guaranteed by the outer packaging. Furthermore, such important information on storage should be given to the patient during the consultation when the medicinal product is dispensed.
To ensure that the user's attention is drawn to the correct storage of the medicinal product, a further indication can be applied to the primary packaging by means of a light indication label. The intelligent label design promotes correct handling and storage, but also ensures the stability and efficacy of the medicinal product.