I'm allergic to pollen, so I always check the forecast before going for a walk in spring.

Before the doctor prescribes antibiotics, I always tell them, 'I'm allergic to penicillin,' so they can pick a safe alternative.

When ordering at restaurants, I always say I'm allergic to nuts to avoid any hidden ingredients.

Before prescribing the new treatment, the nurse asked, 'are you allergic to any medications', to ensure your safety.