Oral medications to treat erectile dysfunction, collectively known as PDE5 inhibitors, are by far the most popular and best-known drugs to treat ED.
Brand names like Viagra, Cialis, and Levitra all work by a similar mechanism to cause erections: they function by increasing blood flow to the penis, and differ from each other primarily in how they work and how you take them.
Viagra
Viagra (sildenafil citrate) surged to the light from the depths of the scientific laboratories of pharmaceutical giant Pfizer Inc., in 1998, quickly winning the peace. Until now, Viagra is the most relevant and popular remedy for impotence.
Viagra should be taken an hour before sexual activity on an empty stomach.
In 30 – 60 minutes, a noticeable effect occurs which can last up to five hours.
You can buy Viagra now and on own experience assured in its magical properties.
Levitra
Levitra (vardenafil) has been available to the public since April 2003.
Levitra is one of the few drugs that do not conflict with the alcohol.
Levitra is taken 25 minutes to one hour prior to sexual activity, it can be effective for up to 8 hours.
Buy Levitra or vardenafil in order to end the erectile problem and fully enjoy the company of your sexual partner.
Cialis
Cialis (tadalafil) the latest ED treatment has been available since February 2003.
Cialis is taken 30 minutes before sexual activity, and the effects last much longer — up to 36 hours in some cases.
Buying Cialis you make your relationship with your partner spontaneous and unpredictable.
All three drugs act similarly, they also have common rules for the use.
* It cannot take with other medicines that contain nitric acid esters;
* The possibility of sexual contact does not occur immediately, but after about half an hour after taking the pill;
* This preparation aren’t an aphrodisiac, therefore it doesn’t increase sexual desire;
* In certain diseases of the use of these drugs is dangerous;
* It has side effects, including: headache, upset stomach or heartburn, flushing, nasal congestion, changes in vision, back pain (with Cialis).
People who have a higher chance for side effects include those who: are over 50 years old, smoke, have heart, disease, have diabetes, have high blood pressure, have high cholesterol, have certain eye problems.
Erectile dysfunction drugs should not be confused with the many medications. It nitrates (nitrosorbid, kardiket, izoket ) and alpha blockers which use people with high blood pressure or with prostate problems. If you are taking such medications as erythromycin, cimetidine, claritromycin, verapamil, azole antifungals (e.g. itraconazol, ketoconazole, quinidine, quinine, fluconazole), medication for HIV infection, rifamycins and some other medications, the dose of vardenafil should be reduced by your doctor.
Research indicates that erectile dysfunction can be an early sign of other potentially serious health problems (including cardiovascular disease and diabetes). Because of this, if you’re experiencing problems with erections, your first stop should be to a doctor for a complete check up. Talk with your doctor or health care professional before tying any erectile dysfunction drugs.