MODEL RELEASED. Consultation. A general practice doctor explains a prescription to a woman patient. The doctor (at right) and patient (at left) both hold the prescription (at centre). The doctor is explaining the prescription to the woman. On the wall behind the woman's head (top left corner) is a sphygmomanometer used for measuring blood pressure. The computer (at upper left) can be used to store the patient's medical records. Prescriptions are instructions to pharmacists to dispense a particular drug in a specific dose. Prescription drugs are available only on the authorisation of a doctor as they may be dangerous or addictive.