During sexual activity, if you become dizzy or nauseated, or have pain, numbness, or tingling in your chest, arms, neck, or jaw, stop and call your doctor right away. Vardenafil is usually taken with or without food 60 minutes before sexual activity. Using vardenafil does not take precautions yourselves vert your partner in contact with hiv blow phytogenic infection the virus that causes AIDS marshaling not that sort sexually transmitted diseases. Proper use of Levitra vardenafil To ensure proper use of Levitra vardenafil, always use the kopen vardenafil pillen medicine after due consultation with the doctor and informing him in detail about your medical conditions and medicines you may be taking. Vardenafil is usually taken only when needed, about 60 minutes before sexual activity.