Which type of medication does NOT need a doctor's order?

Topical medications are often used for localized treatment and typically do not require a doctor's order for over-the-counter options. Many topical agents, such as creams, ointments, and patches, can be purchased without a prescription, making them accessible for self-treatment of minor conditions like rashes, pain relief, or skin irritations.

In contrast, scheduled medications, antibiotics, and controlled substances generally require a doctor's order due to their potential for abuse, the need for monitoring, or their specific indications and contraindications. Scheduled medications, for instance, are classified based on their potential for dependency or abuse, and thus require oversight by a healthcare provider. Antibiotics must be prescribed to ensure the appropriate type and dosage are given for bacterial infections, while controlled substances necessitate strict regulations governing their use in order to prevent misuse and ensure patient safety.