Modena Allergy & Asthma offers drug allergy testing and desensitization therapy to identify allergies and expand treatment options safely.
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A reaction to a medication can range from mild itching to severe, serious allergic reaction. However, not all drug allergies are true allergies, and misdiagnosis can lead to unnecessary medication restrictions that limit your treatment options. At Modena Allergy & Asthma, we provide comprehensive drug allergy testing and desensitization treatments to help you determine which medications you can take under appropriate guidance—and which you should avoid. Modena Allergy & Asthma offers comprehensive drug allergy testing and desensitization treatments to accurately identify supervised and unappropriate medication options.

Drug allergy testing determines whether a patient has a true allergy to a medication or can take under appropriate guidance the drug with appropriate guidance. Many people labeled as allergic to medications—are not always confirmed by testing, leading to unnecessary avoidance of treatments that fit the diagnosis. Our specialists use a comprehensive approach to confirm or rule out a drug allergy, which may include:

Drug desensitization is a medical process that temporarily allows allergic patients to take a necessary medication safely. This treatment is especially useful when there are no alternative medications available for a patient’s condition.
The treatment begins by administering the medication in very small doses at fixed intervals, gradually increasing the amount under strict medical supervision. This step-by-step approach helps the immune system develop a temporary response to the drug, reducing the risk of an allergic reaction. However, to maintain this care planning, the medication must be taken daily. Drug desensitization provides a supervised and individualized way to manage essential treatments while minimizing the risks associated with any of your San Diego drug allergies.
Drug allergy testing helps diagnose true allergic reactions to medications, including:
If you’ve experienced rash, swelling, shortness of breath, or serious reactions after taking a medication, allergy testing can help identify appropriate treatment options.

You may need drug allergy testing if you:
With most drug allergies San Diego patients see them resolve after the medication is stopped, but some reactions—such as severe rashes—can persist for weeks or even months.
Treatment may include:
If you’ve been diagnosed with a drug allergy, it doesn’t always mean you need to avoid that medication for life. Through expert drug allergy testing, including skin tests, blood tests, and oral drug challenges, we can determine whether you’re truly allergic or if the medication can be use with guidanced. Skin test results are available within minutes, blood test results take 3–7 days, and oral drug challenges provide immediate answers, allowing you to move forward with a clear understanding of your options.
For patients who require medication that previously caused an allergic reaction, drug desensitization therapy offers a supervised option. While desensitization must be repeated each time the medication is needed, it allows patients to tolerate essential treatments with clearer guidance of serious reactions. Once a drug allergy is ruled out, you can use with guidance that medication indefinitely. At Modena Allergy & Asthma, our goal is to provide you with peace of mind and practical next steps so that medication allergies no longer disrupt your health or your life.
Many drug allergies fade over time, especially medication allergies. Testing can confirm whether it is still active.
Some medications are frequently reported as drug allergies, but up to 90% of people diagnosed with it are not actually allergic.
Many insurance plans cover allergy testing and desensitization. Our team will help verify your coverage.