The steroids in different forms, are commonly used nowadays to treat many health conditions. Also they are abused in the form of anabolic steroids. The benefits include acute treatment of many serious sometimes life threatening conditions, such as COPD exacerbation, Anaphylactic reactions etc.
Either short term or long term use of steroids can cause psychiatric problems ranging from insomnia, restlessness to anxiety, depression, mania like symptoms, psychosis and dementia etc.
To prevent serious health issues, regularly follow up or consult your doctor and discuss the appropriateness of the steroid need, rather than blindly continuing them long term leading to potentially serious problems.