Long-term effects depend on the cause of the irritability. If an infection is the cause, antibiotics may cure the infection and there are usually no long-term effects. A person who has cancer or another serious condition may need lifelong treatment. Irritability is not contagious. If an infection is the cause, the infection may be contagious.
Treatment depends on the cause of the irritability.
Infections are often treated with antibiotics. Treatment for autoimmune disorders may include medications to reduce inflammation and suppress the immune system. If a medication is causing the irritability, it may be stopped. T hose with cancer may need surgery, chemotherapy , or radiation therapy . Medications, such as antidepressants, are often used for mood problems, such as depression .