Active Ingredients: Vardenafil
Levitra is a medication used to treat erectile dysfunction, that is, problems getting and maintaining an erection ED in adult men.
It contains the active ingredient vardenafil. How does it work?
Vardenafil is a phosphodiesterase type 5 inhibitor PDT 5 and works by relaxing the muscles in the penis to allow more blood to flow through the blood vessels.
The extra blood in the penis results in a firm erection for sexual intercourse. As in other industries the standard patent is 20 years.
But, uniquely for pharmaceuticals and plant technologies, this can be extended by up to a further 5 years by gaining a Supplementary Protection Certificate SPC.
Can a medicinal product have more than one patent? Pharmaceutical products are covered by a number of patents, sometimes by as many as 30 to 40 patents or more. In addition, a patent on a new use 'indication', formulation, salt or ester can block the registration or marketing of a generic medicine for treatments where the base patent has already expired.
This is a strategy known as 'evergreening', which aims to prevent or delay competition from generic medicines by extending market protection through patents on minor changes to the original product.
How long does it take to register a generic medicine in the EU?
The registration of a generic medicine usually takes 1 to 2 years, but can sometimes take longer. It does this by allowing a greater blood flow into the penis when a man taking the medication is sexually aroused.
It works only with sexual stimulation and does not increase sexual desire. If you have not discussed this with your doctor or are not sure why you are taking this medication, speak to your doctor.
Do not stop taking this medication without consulting your doctor. Do not give this medication to anyone else, even if they have the same symptoms as you do.
It can be harmful for people to take this medication if their doctor has not prescribed it. What form s does this medication come in? Nonmedicinal ingredients: anhydrous colloidal silica, crospovidone, hydroxypropyl methylcellulose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, red ferric oxide, titanium dioxide, and yellow ferric oxide.
How should I use this medication? This medication has been shown to be effective within 15 minutes of taking the tablet, and lasts up to 8 to 10 hours later. Higher doses come with an increased chance of developing side effects.
Drug interactions with Levitra If you take alpha-blockers such as doxazosin or tamsulosin, you should wait at least 6 hours between taking those and taking Levitra.