Drug Testing and Desensitization
This service covers two related things: testing to establish whether a drug allergy is genuinely present, and desensitization, a way of giving a necessary drug safely to someone who reacts to it. Both are done in the office under medical supervision.
Why an Unconfirmed Drug Allergy Matters
A great many people carry a drug allergy on their record that was never actually tested. Often it was written down in childhood after a rash that may have had another cause entirely, and that label then follows them for life, unquestioned.
A label recorded years ago and never tested still shapes every prescription a person is given from that point forward. Being steered away from a first-choice medicine because of an unconfirmed allergy can mean treatment that works less well or suits the situation less than the medicine that would otherwise have been chosen.
Confirming or removing that label is genuinely useful information to carry. It is worth saying plainly: testing can remove an allergy label that does not belong there, and that changes what doctors are willing to prescribe for the rest of a person's life.
How We Test
Our approach, in general terms, has three parts:
A careful history of what happened and when — the reaction, the timing, and the circumstances around it.
Skin testing, where it is appropriate to the drug in question.
A supervised challenge, in which the drug is given in small, increasing amounts under observation. This is what gives a definite answer.
Penicillin is the drug this most often comes up with. If you carry a penicillin allergy label, testing can determine whether it is genuine and whether it still needs to limit your treatment options.
What Desensitization Is
Sometimes a drug is medically necessary and no suitable alternative exists, yet a patient reacts to it. In that situation, desensitization can sometimes make it possible to give that drug safely.
The process starts with a very small amount of the drug, which is increased gradually under close supervision, step by step, until a full dose is tolerated. Each step is watched carefully before moving to the next.
This is done in a medical setting, with staff monitoring the patient throughout the entire process. It is not something attempted outside a supervised clinical environment.
Desensitization Is Temporary
This is a point patients often misunderstand, so it is worth stating clearly on its own. Desensitization allows the drug to be taken for that course of treatment only.
It does not remove the allergy. If the drug is needed again in the future, the desensitization process has to be done again from the start — it is not a one-time fix that permanently changes how the body reacts to the drug.
For that reason, a patient should continue to tell every doctor and pharmacist about the allergy, even after a successful desensitization. The allergy is still there; only that particular course of treatment was made possible.
What You Leave With
After testing, a patient has a clear, accurate answer about that drug — whether the allergy is genuine or whether the label can be safely removed from their record.
The practice provides documentation of the result, so it can be added to your medical records and shared with other doctors and pharmacists. That way, the answer travels with you rather than staying only in our files.
Get a Clear Answer About Your Drug Allergy
Book an appointment to find out whether drug testing or desensitization is right for you. Asthma & Allergy Care, P.C. has four New Jersey offices, with evening and Saturday hours, to make it easier to get the care you need.
Four New Jersey offices, with evening and Saturday hours.