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.
Tonsillitis: Caused by viral or bacterial infection, tonsillitis can cause inflammation in the throat and difficulty swallowing. When the infection goes away, so does the feeling of something stuck in the throat. Diverticula: This is a condition in which small sacs form in the throat or esophagus.