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What does AR stand for?

AR stands for Adverse Reaction

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

See other definitions of AR

Other Resources:
We have 156 other meanings of AR in our Acronym Attic

Samples in periodicals archive:

Individual adverse reaction reports may be the only source of information concerning previously undetected adverse reactions or changes in product safety and effective profiles to marketed health products.
An adverse reaction is a harmful or an unintended response to drugs, whereas a medical error is any preventable event that may cause or lead to inappropriate effects while the medication is in the control of the healthcare professional, patient or consumer.
The NHS is spending nearly £2bn a year treating patients who have had an adverse reaction to drugs prescribed for them by doctors, according to new figures from the centre-left thinktank Compass.
A resulting problem is that you tend to have more and more adverse reactions, ranging from irritating rashes to life-threatening conditions.