For instance, drugs such as ranitidine or omeprazole are often given for gastroesophageal reflux or peptic ulcers . Cancer may require surgery, chemotherapy , or radiation therapy . People with kidney failure may need to go on dialysis or get a kidney transplant . All medications have possible side effects, including allergic reactions , stomach upset, or headache . Specific side effects depend on the medications used.
Surgery carries a risk of infection, bleeding, or death.
Dialysis requires surgery first, and may result in infection or serious salt imbalances . This depends on the cause. For instance, morning sickness from pregnancy often goes away within a few months. No further treatment may be needed in this case. People with chronic renal failure or cancer , however, may need monitoring and treatment for the rest of their lives.