Locoid is a topical corticosteroid medication primarily used to reduce inflammation and alleviate symptoms associated with various skin conditions such as eczema, psoriasis, allergies, and rashes. Its active ingredient, hydrocortisone butyrate, works by suppressing the immune response in the skin, thereby decreasing swelling, itching, and redness. Locoid is available in several forms, including creams, ointments, and lotions, allowing for flexibility in application depending on the specific needs of the skin condition being treated. It is important to use Locoid under the guidance of a healthcare professional, as improper use can lead to side effects or exacerbation of the condition.