Active substances: Ciprofloxacin
Magnesium can also affect the muscles. In this study, both temafloxacin and ofloxacin, but not Cipro were active when the oral formulations given once daily for five days were started 24 hours after infection. If in doubt, talk to your doctor.
Carrasco JM, Garcia B, Andujar C, Garrote F, de Juana P, Bermejo T "Tendinitis associated with ciprofloxacin.