Please answer the following question: Q: Prescribed to treat allergies, antihistamines and corticosteroids help control what system that attacks allergens? Read this paragraph and choose the correct option from the provided answers: Most allergies can be treated with medicines. Medicines used to treat allergies include antihistamines and corticosteroids. These medicines help control the immune system when it attacks an allergen. Sometimes, allergies cause severe symptoms, a condition known as anaphylaxis. For example, they may cause the throat to swell so it is hard to breathe. Severe allergies may be life threatening. They require emergency medical care. Choices: - cardiovascular - reproductive system - nervous system - immune system A:
Answer:
immune system