Fluid Replacement Therapy is a medical treatment used to restore lost fluids and electrolytes in the body. This therapy is essential for individuals who are dehydrated due to conditions like diarrhea, vomiting, or excessive sweating. It helps maintain proper hydration levels, ensuring that vital bodily functions continue to operate effectively. The therapy can involve oral rehydration solutions or intravenous (IV) fluids, depending on the severity of the dehydration. Common fluids used include saline and lactated Ringer's solution, which contain essential electrolytes like sodium and potassium. Proper fluid replacement is crucial for recovery and overall health.