Definition. Bronchospasm is an abnormal contraction of the smooth muscle of the bronchi, resulting in an acute narrowing and obstruction of the respiratory airway. A cough with generalized wheezing usually indicates this condition. Bronchospasm is a chief characteristic of asthma and bronchitis.Description. Bronchospasm is a temporary narrowing of the bronchi (airways into the lungs) caused by contraction of the muscles in the lung walls, by inflammation of the lung lining, or by a combination of both.This contraction and relaxation is controlled by the autonomic nervous system.efinition. Bronchospasm is an abnormal contraction of the smooth muscle of the bronchi, resulting in an acute narrowing and obstruction of the respiratory airway. A cough with generalized wheezing usually indicates this condition. Bronchospasm is a chief characteristic of asthma and bronchitis.
Mental illnesses are among the most common causes of hallucinations. Schizophrenia, dementia, and delirium are a few examples. Substance abuse is another fairly common cause. Some people see or hear things that arenât there after drinking too much alcohol or taking drugs like cocaine or PCP.
They are common in people with schizophrenia, and are usually experienced as hearing voices. Hallucinations can be frightening as they may be unexpected or unwanted, but there's usually an identifiable cause. They can occur as a result of: 1  taking illicit drugs or alcohol.