A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Each drug can be classified into one or more drug classes.
Topical anti-infective agents act by either killing or inhibiting the spread of the infectious agent. They include antibiotics, antibacterial, antifungal and antiviral agents.
Topical anti-infective agents are applied to the skin, on the nail, onto mucus membranes or vaginally, to treat the infection. These topical agents are available as creams, ointments, shampoos, powders and other forms, which can be applied locally on the area that needs to be treated.
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