Spasmodic dysphonia. Spasmodic dysphonia (or laryngeal dystonia) is a voice disorder characterized by involuntary movements or spasms of one or more muscles of the larynx (vocal folds or voice box) during speech. Contents.
The common cold is medically referred to as a viral upper respiratory tract infection. Symptoms of the common cold may include cough, sore throat, watery eyes, nasal congestion, runny nose, and sneezing.ecause so many different viruses can cause the common cold and because new cold viruses constantly develop, the body never builds up resistance against all of them. For this reason, colds are a frequent and recurring problem.
Many different viruses can cause the common cold, but rhinoviruses are the most common. Viruses that cause colds can spread from infected people to others through the air and close personal contact.You can also get infected through contact with stool or respiratory secretions from an infected person.ost people get colds in the winter and spring, but it is possible to get a cold at any time of the year. Symptoms usually include sore throat, runny nose, coughing, sneezing, watery eyes, headaches and body aches. Most people recover within about 7-10 days.