Tenidap is primarily used in the treatment of rheumatoid arthritis due to its anti-inflammatory and analgesic properties. It works by inhibiting the production of prostaglandins and leukotrienes, which are key mediators of inflammation and pain. This makes it effective in reducing joint swelling, stiffness, and discomfort associated with the condition. Additionally, Tenidap has been studied for its potential in managing other inflammatory diseases, such as osteoarthritis and ankylosing spondylitis, although its use in these areas is less common. It is typically administered orally, allowing for systemic distribution to target affected joints and tissues. However, its use has been limited in some regions due to concerns about side effects, particularly related to liver function.