Many different antihistamines exist. They include: First-generation antihistamines, such as brompheniramine and chlorpheniramine Second-generation antihistamines, such as fexofenadine and ...

Antihistamines may interact with other medications you are taking. Kids under the age of 2 shouldn’t be given first-generation antihistamines. If they are between 2 and 6, talk to their ...

Myth 2. My body will 'get used to' antihistamines ... antihistamines—first-generation and second-generation. First-generation antihistamines, such as chlorphenamine or promethazine, are short ...