An allergic reaction can be systemic.Logical formLearned from49 sentences. An allergic reaction may include (difficulty breathing).Logical formLearned from48 sentences. Allergic reactions can be acute.Logical formLearned from47 sentences. An allergic reaction can be to a drug.Logical formLearned from47 sentences. Allergic reactions can be true.Logical formLearned from46 sentences. Persons can be allergic.Logical formLearned from46 sentences. An allergic reaction to a medicine can be unlikely.Logical formLearned from46 sentences. Allergic reactions can be fatal.Logical formLearned from45 sentences. Allergic reactions can be to vaccines.Logical formLearned from44 sentences. An allergic reaction can be to medication.Logical formLearned from43 sentences. A (skin reaction) can be allergic.Logical formLearned from43 sentences. A person can be allergic to shellfish.Logical formLearned from43 sentences. Allergic reactions can be to food.Logical formLearned from43 sentences. Allergic reactions can be to foods.Logical formLearned from42 sentences. Allergic reactions can be to stings.Logical formLearned from42 sentences.