Corticosteroids are also used supportively to prevent nausea, often in combination with 5-HT3 antagonists (e.g. ondansetron). Typical undesired effects of glucocorticoids present quite uniformly as drug-induced Cushing's syndrome.
Common causes. A gas explosion occurs when the gas/air mixture reaches a critical value, then any spark, flame or heat source can ignite the mixture. The explosion is caused when the rapidly expanding, burning gas is confined and builds up pressure. As the pressure builds, something has to give, and in a home gas explosion it is usually the windows.
1 Flames or sparks from these sources can trigger an explosion or a fire. 2  LEAVE THE AREA IMMEDIATELY. Get everyone out of the building or area where you suspect gas is leaking. 3  SHUT OFF THE GAS. 4  Turn off the main gas supply valve on your propane tank if it is safe to do so.