Ketotifen Fumarate Tablet is not an antibiotic, but an antihistamine and anti-allergy drug. Its pharmacological action is that it can antagonize H1 histamine receptors and inhibit the release of allergic mediators, therefore, it is often used to treat allergic diseases, such as allergic rhinitis and bronchial asthma, and it is a potent first-generation antihistamine. And antibiotics refer to chemical synthetic drugs that have the ability to inhibit or kill bacteria, commonly used types of antibiotics, including penicillin antibiotics, cephalosporin antibiotics, carbapenem antibiotics, macrolide antibiotics, and artificial quinolone antibiotics and so on, so the antibiotics are mainly used for the treatment of infectious diseases, such as bronchitis, pneumonia, bronchodilatation, lung abscesses and so on. And ketotifen fumarate tablets do not have anti-infective effect, ineffective against bacteria, and are very different drugs from antibiotics.