Levitra is a drug used to treat erectile dysfunction. It is part of the same “family” of drugs as Viagra and Cialis, but there are important differences. All three drugs are called PDE-5 inhibitors and you can read more about how they work here. Levitra takes effect quickly, within approximately 30 minutes, and typically lasts up to 8 hours. It functions very similarly to Viagra with a few key differences. The use of Levitra increases the likelihood of QT prolongation, which can sometimes be followed by irregular heartbeats. This should be heavily weighed when choosing to take Levitra. Levitra tablets contain an active ingredient called vardenafil. Each tablet contains either 2.5mg, 5mg, 10mg or 20mg vardenafil. Your doctor – or online doctor – will make a dosage recommendation based on your medical history. For men who are trying Levitra for the first time, the recommended dose is 10mg. The dose you are prescribed depends on your medical history. Most men can take the standard dosage of 10mg, but patients who suffer from some liver problems or other health problems are prescribed the lower dosages. Which dosage is best for you depends not only on your general health but it also depends on how effective the drug is for you. As with many other types of medication, erectile dysfunction drugs like Levitra do not work equally well for everyone.
For most patients, the recommended starting dose of LEVITRA is 10 mg, taken orally, as needed, approximately 60 minutes before sexual activity. The dose may be increased to a maximum recommended dose of 20 mg or decreased to 5 mg based on efficacy and side effects. The maximum recommended dosing frequency is once per day. Sexual stimulation is required for a response to treatment. For patients with moderate hepatic impairment (Child-Pugh B), a starting dose of 5 mg LEVITRA is recommended. The maximum dose in patients with moderate hepatic impairment should not exceed 10 mg. Do not use LEVITRA in patients with severe hepatic impairment (Child-Pugh C) The dosage of LEVITRA may require adjustment in patients receiving potent CYP3A4 inhibitors such as ketoconazole, itraconazole, ritonavir, indinavir, saquinavir, atazanavir, and clarithromycin as well as in other patients receiving moderate CYP3A4 inhibitors such as erythromycin For ritonavir, a single dose of 2.5 mg LEVITRA should not be exceeded in a 72-hour period. Levitra 5 mg film-coated tablets: Orange round tablets marked with the BAYER-cross on one side and “5” on the other side. Levitra 10 mg film-coated tablets: Orange round tablets marked with the BAYER-cross on one side and “10” on the other side. Levitra 20 mg film-coated tablets: Orange round tablets marked with the BAYER-cross on one side and “20” on the other side. Erectile dysfunction is the inability to achieve or maintain a penile erection sufficient for satisfactory sexual performance. In order for Levitra to be effective, sexual stimulation is required. Use in adult men The recommended dose is 10 mg taken as needed approximately 25 to 60 minutes before sexual activity. Based on efficacy and tolerability the dose may be increased to 20 mg or decreased to 5 mg. The maximum recommended dosing frequency is once per day. The onset of activity may be delayed if taken with a high fat meal (see section 5.2). Special populations Dose adjustments are not required in elderly patients.
Vardenafil dose adjustment might be necessary if moderate CYP3A4 inhibitors. Co-administration of vardenafil with ritonavir 600 mg twice daily resulted in a. Following a single oral dose of 20 mg vardenafil in healthy volunteers, a mean of. 200 mg daily, a single dose of 5 mg LEVITRA should not be exceeded in a.