Possible causes of chest tightness and shortness of breath in confined spaces are hypoxia and claustrophobia, etc. The former does not require treatment, and the latter is mainly treated with medication and psychotherapy.
1. hypoxia: confined space, the air does not circulate, the oxygen content is relatively small, with the decline in oxygen content, there will be varying degrees of chest tightness, shortness of breath, dizziness, fatigue and other symptoms, out of the confined space can be significantly relieved, the symptoms of serious cases can be to the hospital for nasal catheter oxygen.
2. Claustrophobia: a kind of phobia, manifested as in a confined place when there is panic, nervousness, anxiety, urgent want to escape and other symptoms, its treatment is based on psychotherapy, commonly used methods of systematic desensitization therapy, full-coherence therapy and cognitive-behavioral therapy, etc..
In addition, medication can also be considered, commonly used drugs are sertraline, paroxetine, lorazepam and so on.
If chest tightness and shortness of breath occur frequently in a confined space, it is recommended to actively seek medical attention, make a clear diagnosis, and carry out standardized treatment under the guidance of the doctor, so as to avoid delaying the condition.