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There are different drugs to treat diseases. To treat bacterial diseases, antibiotics are used, such as amoxicillin. To treat diseases caused by viruses, antivirals are used, such as acyclovir.



The term, “antibiotic” is used to name a molecule that is able to eliminate bacteria. This molecule is produced naturally by fungi or bacteria.

The substances able to eliminate fungi, parasites or viruses are called antifungal, antiparasitic and antiviral respectively.