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 . Side effects depend on the treatments used for the irritability. For example, antibiotics can cause stomach upset, allergic reactions , and other effects.
Surgery poses a risk of infection, bleeding, or allergic reaction to anesthesia .
Chemotherapy can cause many side effects, such as stomach upset, hair loss , and weakness . Such a person may be fine and able to return to normal activities. In other cases, the cause cannot be cured and needs further treatment. Someone with irritability from a mild illness or infection can often monitor his or her own symptoms at home. Any new or worsening symptoms should be reported to the healthcare provider.