The Centers for Disease Control and Prevention has released guidelines for using other antibiotics: doxycycline and amoxicillin.

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Prescription treatments such as oral or topical tretinoin, topical clindamycin, and sometimes oral antibiotics such as doxycycline or minocycline are needed when acne is moderate.

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Other antibiotics, such as doxycycline, also can treat anthrax.

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Moreover, the disease could be combated not only with Cipro, which is expensive, but also with cheaper drugs such as doxycycline, which the U.S. government bought in spades from generic-drug maker Ivax (nyse: IVX - news - people ).

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