Swelling due to congestive heart failure is often treated with medications such as diuretics. Diuretics make a person urinate more. This often gets rid of extra fluid and decreases swelling. People with a deep venous thrombosis are often put on medications known as blood thinners or anticoagulants, to prevent complications and further blood clots. People with kidney failure may need kidney transplant surgery or dialysis .
All medications have possible side effects.
For example, antibiotics may cause allergic reactions or stomach upset. Diuretics may cause allergic reactions or salt imbalances . Other side effects depend on the specific medications used. All surgery carries a risk of infection, bleeding, and reactions to any pain medicines used. This is mostly related to the cause.