Hi, Norfloxacin contains ciprofloxacin which belongs to the group of antibiotic medications known as fluoroquinolone is used in the treatment of various bacterial infections like urinary tract infections, sexually transmitted diseases like gonorrhea, prostatic infection, pelvic inflammatory diseases, skin and soft tissue infections, eye infections, ear infections, respiratory tract infections and many more. Norfloxacin may cause unusual tiredness and weakness, tasteless tongue, headache, tension, bad dreams, bad thoughts etc. Other side effects of Norfloxacin are dizziness, fainting, rapid heartbeat, depression, confusion, hallucinations, anxious, insomnia, nausea, vomiting, mild diarrhea, abdominal pain, heartburn, muscle weakness, tendon rupture, sensation of numbness, tingling or burning pain, allergic reactions etc. Your other using drugs also cause some of these side effects but Norfloxacin is the main culprit for your present sufferings. You should consult your doctor promptly for medical help. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Zubayer Alam, General And Family Physician