Toxic signs after administration of single high dose of moxifloxacin to these animals included CNS and gastrointestinal effects such as decreased activity, somnolence, tremor, convulsions, vomiting and diarrhea. The mean Cmax was slightly reduced and the time to maximum plasma concentration was prolonged when moxifloxacin was given with calcium compared to when moxifloxacin was given alone. That moxifloxacin may add to the QTc prolonging effects of other drugs such as cisapride, erythromycin, antipsychotics, and tricyclic antidepressants. Resistance to moxifloxacin occurs in vitro at general frequency of between. MDRSP, Multi-drug resistant Streptococcus pneumoniae includes medikament avelox isolates previously known as PRSP Penicillin-resistant. Also watch for symptoms of low blood sugar such as nervousness, shakiness, fast heartbeat, sweating, or hunger.