Mad-dog skullcap is a plant commonly used for medicinal purposes. It is also known by many other names, including blue skullcap, hardhat, hoodwort, helmet flower, and scutellaria. These synonyms indicate the plant's physical features, such as the helmet-like shape of its flowers and the hard texture of its leaves. In traditional medicine, the plant is believed to have a calming effect on the nervous system and can help with anxiety and insomnia. However, it is important to note that scientific research on the efficacy and safety of the plant is still limited. Therefore, it is recommended to consult with a healthcare professional before using mad-dog skullcap or any other herbal remedies.