I saw so many reactions that I began giving all ferrets a small (0.2 ml) dose of chlorpheniramine maleate or benedryl antihistamine about twenty minutes before giving the vaccine. (2ndchance.info)
Also, I am intersted in more information about the transdermal form of chlorpheniramine for cats. (1800petmeds.com)
The ingredients acetaminophen and chlorpheniramine contained in Alka Seltzer drugs are generally safe for nursing babies. (momdiscuss.com)