Treatment is directed at the underlying cause. For example, drugs can help reduce ataxia if Parkinson's disease is the cause. Antibiotics may be needed for an infection. Surgery may remove a brain tumor. If a stroke is the cause, the only treatment may be physical therapy to improve function as much as possible.
All medications have possible side effects.
These may include allergic reactions , stomach upset, and headaches. Particular side effects depend on the medicatiions used. Any surgery carries a risk of bleeding, infection, and reactions to any pain medicines used. Specific side effects depend on the surgery being done. Treatment may be short-term or lifelong.