In medicine: 1  Orthomyxovirus, a family of viruses to which influenza belongs. 2  Orthodontics, a specialty of dentistry concerned with the study and treatment of malocclusions. 3  Orthopedic, the study of the musculoskeletal system. 4  Ortho-DOT, a psychedelic drug. 5  Ortho-cept and Ortho Tri-cyclen, kinds of oral contraceptive drug.
How to Stop Your Throat from Hurting. Sore throats can be caused by allergies, excessive talking or yelling, pollution, or respiratory infections. Just as there are numerous causes of a sore throat, there are also many remedies.
Excessive throat clearing can cause vocal cord trauma. Your vocal cords are two bands of muscle that make sound by vibrating. When you clear your throat, your vocal cords slam together, thus, excessive repetition of this motion can lead to hoarseness and pain in the throat.