Drugs, Pharmaceuticals, and Medical Devices

Medications and medical devices are vital parts of modern treatment, yet their terminology can be confusing. This section explains key concepts about prescriptions, interactions, dosage, and safety, along with the devices that help deliver or monitor care. You’ll find clear definitions for terms like contraindication, formulary, generic drug, and durable medical equipment. Understanding these words helps you use medications and devices safely, communicate effectively with pharmacists and providers, and take an active role in managing your treatment with confidence.

A woman uses a blood pressure monitor at home while speaking with a healthcare provider via video call on her laptop, illustrating Digital Therapeutics in a virtual care setting.

Digital Therapeutics

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Digital therapeutics (DTx) are clinically validated, software-driven health interventions designed to prevent, manage, or treat medical conditions.

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An elderly man with short gray hair and glasses sits at a wooden table in a bright, modern kitchen, deeply focused as he reads a folded medication package insert. He wears a blue long-sleeve shirt, and a white medicine box rests on the table in front of him. The kitchen behind him features white cabinetry, a wood countertop, and large windows letting in natural daylight, creating a calm and informative atmosphere. His intent expression suggests he is learning about contraindications—medical conditions or factors that serve as reasons to withhold a certain treatment due to the potential for harm. This moment visually captures patient empowerment and the importance of understanding medication safety.

Contraindication

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A contraindication is a medical reason why a specific treatment, procedure, or medication should not be used—because it could be harmful or dangerous to your health.

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A middle-aged woman with shoulder-length light brown hair sits on a beige sofa in a softly lit living room, appearing distressed. She presses her left hand against her forehead, eyes closed tightly in discomfort, while holding an amber prescription bottle filled with red and orange capsules in her right hand. Several blister packs of other medications are spread out on the wooden coffee table in front of her. This image portrays the experience of a drug interaction — when one medication affects the activity, effectiveness, or side effects of another drug, supplement, or substance taken at the same time — highlighting the confusion and discomfort such interactions can cause.

Drug Interaction

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A drug interaction occurs when one medication affects the activity, effectiveness, or side effects of another drug, supplement, or substance taken at the same time.

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