IV therapy is critical for various reasons: - Rapid Medication Delivery: Medications administered intravenously take effect faster than oral or other routes. - Fluid Replacement: It helps in replacing fluids lost due to dehydration, surgery, or trauma. - Nutritional Support: For patients unable to consume food orally, IV nutrition provides essential nutrients. - Electrolyte Balance: Maintains the balance of electrolytes in patients with imbalances.