Online Pharmacy Levitra is used to treat men’s erectile dysfunction. Levitra contains many compositions like Levitra 60 mg, Levitra 40 mg, Levitra 20 mg, Levitra 10 mg, Levitra 5 mg, etc. Some medicines can cause unwanted or dangerous effects when using Levitra. Tell your doctor about all other medicines. Do not take Levitra, if you are using nitrate drug for chest pain or back pain. If you are drinking alcohol then you can take Levitra, because it may be dangerous for your health, so without a doctor's consultation you can not take this. 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. You could be having a serious side effect. Levitra has some common side effects like headache, nausea, vomiting, back pain, and many more.