![]() The human body has a narcissistic and myopic view regarding itself. Let’s be clear: The body is never happy that a drug is swirling around in the bloodstream. 1,2 First let’s go back to that “harmless substance” phrase I just used. This is because the body sometimes needs to “see” the drug (or something with a similar structure) more than once before it decides that this harmless substance is a deadly invader. Many, if not most, allergic reactions to a drug will occur after more than one exposure. Add that to the ever-expanding scopes of practice for optometric physicians, and you create the perfect opportunity for a quick refresher. New medications get approved and marketed frequently, and there have been quite a few that are now indicated for ocular diseases and conditions. What can I do to lessen the chance of this happening again?. ![]() Was there a cross-reaction between what I prescribed or recommended and an allergy to another medication or class of medications?.Did the patient forget to list his or her allergies on the intake papers, or did I just miss the fact that the patient was allergic to a certain medication or class of medications?.When it comes to an allergic reaction from a medication that we recommended or prescribed to one of our patients, we need to be prepared to assess the situation from the following angles: That type of thinking applies to so many areas of life. If there is one thing that this global pandemic has taught all of us is to expect the unexpected. It is beneficial for patients to be skin-tested if they report a serious drug allergy, as this helps guide antibiotic choices in every medical setting.Certain drugs are famous for their potential to produce allergic reactions, and even cross-reactions between drug classes.Most allergic reactions to a drug occur after more than one exposure.
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