NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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What does chemical incompatibility cause?

  1. Improves drug efficacy

  2. Reduces adverse effects

  3. Causes drug degradation or toxicity

  4. None of the above

The correct answer is: Causes drug degradation or toxicity

Chemical incompatibility causes drug degradation or toxicity. When two or more drugs or substances interact chemically with each other, they can degrade, lose their effectiveness, or even form toxic compounds. This can lead to reduced drug potency, increased adverse effects, or completely new side effects that can harm the patient. It is crucial for healthcare providers to be aware of potential chemical incompatibilities to prevent any harm to the patient.

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