'Laryngitis' is just a fancy name for inflammation of the larynx, or voice box. This is a common complication of many viral infections (e.g., the common cold) as well as some bacteria. Also mechanical strain (singing or talking) are common non infectious causes of laryngitis. The viruses that cause laryngitis are not very contagious. Chronic laryngitis may take much longer time for the voice to return to normal. Laryngitis may be short-lived (acute) or long lasting (chronic). Most cases of laryngitis are triggered by a temporary viral infection or vocal strain.
Swelling in the voice box, also known as the larynx, causes laryngitis. Because viral laryngitis usually goes away within a couple of weeks, you probably don't. How long you're infectious after a viral infection depends on the virus that caused the infection. Most viral infections are infectious before you start feeling unwell. Symptoms of laryngitis can begin suddenly and usually get worse over a period of two Laryngitis usually happens when you have an infection from a virus, from your stomach coming up your throat (acid reflux); coughing over a long time .
It can be acute or chronic but in most cases is not dangerous and does not last long. Croup is a contagious respiratory illness common among children. The most common cause of laryngitis is a viral infection, often similar. Laryngitis is inflammation of the larynx (voice box). alcohol misuse or an allergic reaction, and the symptoms can last much longer. As laryngitis is often caused by a common viral infection, such as a cold or flu, Laryngitis caused by a viral, bacterial or fungal infection is known as infectious laryngitis. You can't catch someone else's laryngitis directly, but you can catch something that might lead to laryngitis. For instance, you How long will my laryngitis last?.