Osteogenesis Imperfecta (OI) is a rare hereditary condition characterized by brittle bones that are easily fractured and deformed. OI, often known as "brittle bone disease," is caused by a mutation in one of the genes that produce collagen, a key protein in bone production. Collagen provides strength and structure to bones, and its lack in OI patients causes bone fragility. There are various forms of OI, each with variable severity.Type I is the mildest kind, with fractures occurring primarily during childhood and decreasing in frequency with age. Type II is the most severe and frequently causes death shortly after birth due to respiratory problems.The other categories are somewhere in between these two extremes in terms of severity and related symptoms. One of the key signs of OI is bone fragility, which can lead to repeated fractures even with minor damage. Individuals with OI may also develop skeletal malformations, such as long bone bowing, spine curvature (scoliosis), and short stature. Other typical characteristics include a blue or gray tint in the whites of the eyes (blue sclera), hearing loss, and joint laxity. OI is commonly diagnosed using clinical characteristics, family history, and genetic testing. Genetic counseling is frequently offered for families with a history of OI to better understand the risk of passing the disorder down to future generations. While there is no cure for OI, treatment is intended to alleviate symptoms and enhance quality of life. This may necessitate a multimodal treatment that includes orthopedic procedures, physical therapy, and mobility-supportive equipment. Bisphosphonates and other medications may be recommended to increase bone density and lower the risk of fracture. Research into prospective treatments, such as gene therapy and collagen-targeting medicines, is continuing. Supportive treatment and rehabilitation are critical in assisting people with OI to live fulfilling lives despite the challenges that the condition presents. Furthermore, advances in medical knowledge and technology continue to contribute to better management and outcomes for people with OI.