I'm allergic to
Soy alérgico a las zanahorias.
I'm allergic to carrots.
I'm allergic to dogs.
I'm allergic to nuts.
I'm allergic to shellfish.
Soy alérgico a los analgésicos.
I am allergic to painkillers.
Soy alérgico a algunos medicamentos.
I'm allergic to some medications.
I'm allergic to cats.