A patient with a known allergy to a certain antibiotic is taking a different antibiotic as a substitute. However, they still experience allergic reactions. Which mechanism could explain this phenomenon?
Q1. A patient with a known allergy to a certain antibiotic is taking a different antibiotic as a substitute. However, they still experience allergic reactions. Which mechanism could explain this phenomenon?
Answer: Cross-reactivity with a similar molecule
Explanation: Cross-reactivity occurs when the new antibiotic has a similar structure to the allergen, triggering an allergic response.