The influence of classical conditioning can be seen in emotional responses such as phobia, disgust, nausea, anger, and sexual arousal. A familiar example is conditioned nausea, in which the CS is the sight or smell of a particular food that in the past has resulted in an unconditioned stomach upset.
Talk to your healthcare provider about the precautions and warnings with levofloxacin to help ensure safe use of the drug. Do not exercise until your healthcare provider makes sure you do not have a ruptured tendon. This problem can occur while you are taking the medication or even months later. This severe reaction can occur long after you stop taking levofloxacin and can be life-threatening. 2  Levofloxacin can cause nerve problems. 3  Be sure to tell your healthcare provider if you develop any unusual sensations (such as numbness, burning, or tingling) while taking levofloxacin.
Last reviewed on RxList 4/2/2015. Levaquin (levofloxacin) is an antibiotic for treating several types of bacterial infections. A generic formulation is available. Common side effects of Levaquin include nausea or vomiting, diarrhea, headache, and constipation. Difficulty sleeping (insomnia), dizziness, abdominal pain, rash, abdominal gas, itching, and vaginal discharge also occur. Levaquin has been associated with tendinitis and even rupture of tendons.