Managing a Patient with a Latex Allergy During a Prophylaxis
A 35-year-old patient scheduled for a prophylaxis reports a history of latex allergy with hives and wheezing after wearing latex gloves. The office has latex and nitrile gloves, but the hygiene operatory has latex gloves in the dispenser and a latex rubber dam in the drawer. The patient is also allergic to bananas and avocados. The assistant is wearing latex gloves when the patient arrives and has just finished setting up the tray with a latex dam. The patient's chart does not flag the allergy, and the front desk did not ask about allergies at check-in. The patient is visibly anxious and asks whether the appointment can proceed.
1. Evaluate the risks and recommend the immediate steps to prepare for this patient's appointment.
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The patient has a documented latex allergy with systemic symptoms, and the cross-reactivity with bananas and avocados suggests a broader latex-fruit syndrome, which increases the risk of a severe reaction. The assistant must remove latex gloves immediately, wash hands, and replace them with nitrile gloves. All latex items in the operatory, including the rubber dam, must be removed and replaced with non-latex alternatives. The chart must be flagged with the allergy, and the front desk should be instructed to ask about allergies at check-in. The patient should be reassured and the appointment can proceed once the environment is latex-free. The assistant should also check for latex in other items such as prophylaxis cups, bite blocks, and adhesive bandages. An emergency kit with epinephrine should be available.
2. Explain the cross-reactivity between latex and certain foods and how it affects patient communication.
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Latex allergy is associated with cross-reactivity to certain plant foods, particularly banana, avocado, kiwi, chestnut, and tomato, due to shared proteins. This is known as latex-fruit syndrome. The patient's report of banana and avocado allergy is consistent with this pattern and suggests a higher risk of severe reactions. The assistant should ask about other foods in this group and document them. Communication should be clear and non-alarming: explain that the office will use latex-free products and that the patient should inform staff of any reaction. The patient should be advised to carry an epinephrine auto-injector if prescribed and to report any symptoms during the appointment. The assistant should also ask about prior reactions to dental products, such as rubber dams or prophylaxis cups.
3. Describe the documentation and office policy changes needed to prevent recurrence.
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The chart should be updated with the latex allergy, the specific symptoms, and the cross-reactive foods. The office should adopt a latex-safe policy that includes latex-free gloves, dams, and supplies in all operatories, and a check-in question about allergies. Staff should be trained to recognize latex allergy and to respond to anaphylaxis. The front desk should flag the allergy at scheduling and check-in. The office should maintain an emergency kit and a written protocol for allergic reactions. The incident should be reviewed to identify why the allergy was not flagged and to correct the intake process.