Digitalis obscura the use of herbal medicinal remedies using "Digitalis obscura" has lessened to a great degree because of the knowledge of its high toxicity. In ethnoveterinary medicine, the flowering stems of "Digitalis obscura" were traditionally used to promote wound healing and treat toothaches in animals. It is one of twenty-three species traditionally used in Granada to treat trauma or poisoning in animals. All parts of "Digitalis obscura" are poisonous if ingested raw, including the roots and seeds. The most potent parts of the plant are the upper leaves. All foxgloves are highly toxic if eaten because they contain various cardiac glycosides
Drug discovery products have often been used as the starting point for drug discovery. Until the Renaissance, the vast majority of drugs in Western medicine were plant-derived extracts. This has resulted in a pool of information about the potential of plant species as important sources of starting materials for drug discovery. Botanical knowledge about different metabolites and hormones that are produced in different anatomical parts of the plant (e.g. roots, leaves, and flowers) are crucial for correctly identifying bioactive and pharmacological plant properties. Identifying new drugs and getting them approved for market has proved to be a stringent process due to regulations