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.
Acid reflux can cause not only a sore throat but other ear, nose and throat disorders such as: 1  chronic coughing. 2  difficulty swallowing. 3  wheezing. choking. 4  hoarseness. feeling like there is a lump in your throat.  constantly having to clear your 1  throat. ear  pain. bad breath.