Which of the following best describes side effects?

The definition of side effects includes that they can often be anticipated based on the pharmacological properties of the medication. When healthcare professionals prescribe medications, they consider the known side effects associated with those drugs, which are usually documented in clinical studies and clinical use. These anticipated effects can vary in severity and occurrence but are typically predictable within a certain population based on prior experience and research.

This understanding allows healthcare providers to counsel patients effectively, enabling them to recognize and manage these side effects when they occur. Anticipating side effects plays an essential role in medication management, as it helps in monitoring patient responses to treatments and making necessary adjustments to therapy when adverse reactions occur.

The other options do not capture the nature of side effects accurately. Some side effects are rarely life-threatening, while others can be mild or moderate. Additionally, while some side effects may be severe and affect a small percentage of individuals, many are common and experienced by a more significant number of patients. Side effects can occur differently among individuals, but the shared knowledge of them helps in anticipating their occurrence overall.