Levitra is available in Tablet form. It has strengths of 2.5mg, 5mg, 10mg, 20mg. Dosage will differ based on age, health, and medicine you consume.
Dosages for people who have Erectile Dysfunction are given below:
An initial dose of Levitra is 10mg. (only one Dose a day)
The maximum Dose of Levitra should not exceed 20mg a day
You can decrease the Dose by 5mg if you observe any side effects.
If you are more than 65, consume the lowest Dose of Levitra (5mg).
Disclaimer: To get an erection, you need to indulge in sexual stimulation.
Cautions: You should consume the medicine just 60 minutes before sexual activity. (Stief, C.G., Valiquette, L., Montorsi, F. and Hellstrom, W., 2004.)