It contains the active ingredient vardenafil, which belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors. These medications work by increasing blood flow to the penis, allowing for a firm and long-lasting erection. The pharmacokinetics of vardenafil are approximately dose proportional over the recommended dose range. Vardenafil is eliminated predominantly by hepatic metabolism, mainly by CYP3A4 and to a minor extent, CYP2C isoforms. If you don't notice symptom relief or adverse side effects, talk to your doctor about another prescription for BUY XANAX WITHOUT PRESCRITION a different PDE5 inhibitor. It is another PDE5 inhibitor with similar mechanisms of action and half-life, but it includes a different active ingredient. If you don't notice symptom relief, do not double your dosage. Does Vardenafil help you last longer? Your doctor may also prescribe one or the other based on your insurance coverage. The treatment plan your doctor prescribes will depend on various factors, including your insurance coverage. Your treatment may also depend on other health conditions you have and medications you take. Take 1 LEVITRA tablet about 1 hour (60 minutes) before sexual activity. Some form of sexual stimulation is needed for an erection to happen with LEVITRA. Dosage adjustment is necessary in patients with moderate hepatic impairment. Causes & Risk Factors You can also report side effects directly via the Yellow Card Scheme at or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects, you can help provide more information on the safety of this medicine. If you have any further questions on the use of this medicine, ask your doctor or pharmacist. At least one in ten men has trouble getting or keeping an erection at some time. There may be physical or psychological causes, or a mixture of both. Whatever the cause is. due to muscle and blood vessel changes not enough blood stays in the penis to make it hard and keep it hard. This can lead to serious side effects such as priapism - a long-lasting and painful erection. Instead, reach out to your physician about changing the dosage. Most physicians will start on a lower dosage, taken approximately one hour before sexual intercourse. Levitra falls under the umbrella term PDE5 inhibitors, but what does this medical term mean? Your doctor will decide the best dose for you based on your needs and how you respond to the medication. Do not use Levitra for a condition for which it was not prescribed. Do not give Levitra to other people, even if they have the same symptoms that you have. If you need emergency medical care for a heart problem, it will be important for your healthcare provider to know when you last took Levitra. The above information is intended to supplement, not substitute for, the expertise and judgment of your health care professional.
Whether you’re considering Levitra for the first time or looking for detailed information, this article covers everything you need to know. If you are also taking an alpha blocker medication (such as doxazosin, tamsulosin) to treat an enlarged prostate/BPH or high blood pressure, your blood pressure may get too low which can lead to dizziness or fainting. Your doctor may start treatment with a lower dose of vardenafil to minimize your risk of low blood pressure. Rarely, sudden decreased vision, including permanent blindness, in one or both eyes (NAION) may occur. If this serious problem occurs, stop taking vardenafil and get medical help right away. You have a slightly greater chance of developing NAION if you have heart disease, diabetes, high cholesterol, certain other eye problems („crowded disk“), high blood pressure, if you are over 50, or if you smoke.