Impotence
What is impotence?
Impotence is a commonly used term for erectile dysfunction. It is the inability of penis to attain an erection, which is hard enough; maintain an erection, which is necessary for a satisfactory sexual intercourse; and inability to achieve an orgasm.
In the UK , impotence affects nearly half of the male population. Many men do not seek impotence treatment and suffer for many years due to low treatment awareness or simply due to embarrassment. However, this problem has been greatly reduced after internet based pharmacies and clinics were licensed to sell anti-impotence drugs such as Viagra, , and Levitra.
What are causes of impotence?
 Impotence in majority of men is caused due to both physical and psychological factors. It usually happens when men experience an occasional failure to get an erection. The causes may include stress, tiredness, or anxiety. However, this does not cause a major problem.
Physical causes of impotence
 Physical causes of erection problems may include some serious medical conditions that result in gradual lose of erection. These medical conditions include diabetes, kidney problems, high cholesterol levels, smoking related diseases, pelvic surgery, and side effects of some prescription drugs.
Psychological causes of impotence
 Psychological causes that result in erection troubles include stress or anxiety at workplace or even at home. Other causes include sexual boredom, anxieties due to sexual performance, feelings of guilt, and depression.
Treatments for impotence
 You should consult a registered GP whenever you experience erection troubles. Recent advances in the pharmaceutical industry have resulted in discovery of some effective anti-impotence drugs such as , Cialis, and Levitra. You can take these drugs after consulting your GP to avoid any possibility of major side effects.
About Viagra
This impotence treatment drug comes in tablet form. The colour of Viagra tablets is blue and has a shape of a diamond. The effects of intake of Viagra lasts for about four hours and you should take this tablet one hour before sexual intercourse. It starts showing effects within half an hour to an hour.
Major pharmaceutical company, Pfizer manufactures Viagra. It is approved for use in many countries worldwide. Viagra cannot help increase your sex drive as it in not an aphrodisiac. It works only when you are sexually stimulated.
About Cialis
 You can take Cialis, which comes in tablet form, about 30 minutes before sexual intercourse. Its effects can last upto 36 hours.
Drug giant, Eli Lilly manufactures tadalafil and markets it under the brand name of Cialis. Like Viagra, Cialis also works under sexual stimulation and cannot improve your sex drive. It is also not an aphrodisiac.
About Levitra
 This anti-impotence drug also comes in tablet form. You can take Levitra ten minutes to one hour before sexual activity. Its effects can last for about 12 hours but you need sexual stimulation. Like other anti-impotence drugs such as Viagra and Cialis, Levitra is not an aphrodisiac. Its intake cannot increase your sex drive.
These three anti-impotence drugs are prescription drugs. Therefore, you should never buy them without following proper prescription methods even if some online pharmacies try to sell you these drugs at generic rates.