All of the following are considered self-care strategies EXCEPT

A. Drinking hot tea for a cold: Consuming warm fluids is a common self-care strategy to relieve minor symptoms such as congestion or sore throat. It is a safe, nonpharmacologic approach that can be done independently without professional supervision. B. Annual check-up with primary care provider: Routine medical visits are part of preventive healthcare rather than self-care. These require professional evaluation and guidance, so they are not considered strategies that a patient independently implements for symptom management. C. Using a nonprescription medication to treat a headache: Over-the-counter medications for minor conditions like headaches are a typical self-care strategy. Patients can assess symptoms and administer appropriate doses safely within recommended guidelines. D. Maintaining a healthy lifestyle by taking vitamins: Adopting healthy habits, including proper nutrition and supplementation, is an essential component of self-care. These actions help prevent illness and support overall well-being independently of medical supervision.