How to identify and treat allergic reactions
Immediate First Aid for Allergic Reactions Using Antihistamines Antihistamines are often the first line of defense against mild to moderate allergic reactions. They work by blocking the effects of histamine, the chemical responsible for many allergy symptoms like itching, hives, and runny nose. Over-the-counter options such as diphenhydramine, loratadine, or cetirizine can be taken orally … Read more