Someone with cancer may need surgery, chemotherapy , or radiation treatment . Side effects depend on the treatments used. For instance, ibuprofen can cause allergic reactions and stomach upset. Prednisone can cause weight gain, weakened bones, and mood swings. Hormone replacement therapy has many side effects, such as an increased risk of blood clots.
Surgery carries a risk of infection, bleeding, and allergic reactions to anesthesia .
Someone with the flu often gets better in a few days with or without treatment. A person with cancer or an autoimmune disorder may need treatment for life. Any new or worsening symptoms should be reported to the healthcare provider. Other monitoring will depend on the cause. For instance, those with blood cancer may need repeated blood tests to follow the disease and the response to treatment.