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tolerance

A reduced response to a drug after repeated use, so a higher dose is needed for the same effect; also the ability to endure something.

TOL-er-ens noun

What it means

Drug tolerance is common with opioids, benzodiazepines and alcohol. It is an expected body change and is not the same as addictionuh-DIK-shunA long-term condition in which a person keeps using a substance or doing a behavior despite the harm it causes.Full entry . The word is also used for how well a client copes with something: activity tolerance is how much activity they can do before becoming tired or short of breath, and diet tolerance is how well they keep down food.

For the nurse

A client on long-term opioids may need higher doses for pain; treat the pain and do not judge. For activity tolerance, check vital signs and symptoms before, during and after activity.

In a chart

"Tolerated clear liquids without nausea; ambulated 50 feet with mild shortness of breath, SpO2 94%."

At a glance

Spanishtolerancia

Related terms

opioid analgesic

A strong drug that relieves moderate to severe pain by acting on the brain and spinal cord.

withdrawal

The physical and mental symptoms that occur when a person stops or cuts down a substance the body has come to depend on.

substance use disorder

A condition in which a person keeps using alcohol or another drug even though it is causing them harm.

addiction

A long-term condition in which a person keeps using a substance or doing a behavior despite the harm it causes.

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