Final answer:
MedlinePlus is the online resource with a comprehensive database of drug information, designed for patients and families to understand health conditions and medications.
Step-by-step explanation:
The name of the online resource with a database of drug information is MedlinePlus. It is one of the National Institute of Health (NIH) digital services that contains a wealth of information regarding medications, including their use, side effects, and interactions. Other informative databases such as DrugBank, PubMed, and WebMD also provide drug-related information but MedlinePlus is specifically designed for patients and their families and friends. It is provided by the NIH's National Library of Medicine and gives information about diseases, conditions, and wellness issues in language that is easy to understand for the general public. For in-depth research, students and professionals might also use databases like PubMed for scientific articles and DrugBank for detailed drug and drug target information. When researching drugs, it's crucial to cross-reference different sources to ensure the accuracy and completeness of the information.