The fluid and salt may need to be given through a tube in the veins in severe cases or if persons cannot drink fluids on their own. Side effects depend on the treatments used. All medications have possible side effects. For example, antibiotics may cause allergic reactions and stomach upset. Specific side effects depend on the medications used.
Surgery carries a risk of bleeding and infection.
What happens after treatment depends on what is causing the excessive sweating. This often occurs after an infection, such as pneumonia, is treated with antibiotics. People who have had a stroke may need lifelong medical and nursing care. Those with cancer may die if treatment is unsuccessful. The person can monitor their sweating at home.