Vigamox is antimicrobial agents, commonly used for bacterial infection of eyes, for example conjunctivitis. The function comes from the active ingredient in vigmox, moxifloxacin hydrochloride. It is widely used for bacterial infection of eyes. About the side effects that you might get include abdominal pain, nausea, vomiting, dizziness, fatigue, nervousness, anxiety, pains in leg, rash, itching and so on. After all the side effects of vigamox impact digestive system, peripheral nervous system, hemopoietic system and etc. If you are going to take this medication, you'd better discuss with your doctor in advance. If any allergies or uncomfortable feelings persist or get worse, you should let your doctor know at once.