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How does an erection normally occur? The neurotransmitters which are released in the penis cause another chemical to be made called cyclic guanosine monophosphate (cGMP). An increase of cGMP causes the arteries in the penis to dilate (widen). This allows extra blood to flood into the penis. The rapid inflow of blood causes the penis to swell into an erection. The swollen inner part of the penis also presses on the veins nearer to the skin surface of the penis. These veins normally drain the penis of blood. So, the flow of blood out of the penis is also restricted, which enhances the erection. Erectile dysfunction, heart disease and other vascular diseases: Certain risk factors increase the risk of more atheroma forming which can make atheroma-related conditions worse. These are discussed in more detail in another leaflet called 'Preventing Cardiovascular Diseases'. Briefly, risk factors that can be modified and may help to prevent atheroma-related conditions from getting worse are: Smoking. Smoking is one of the biggest risk factors for developing an atheroma-related condition. Smoking roughly doubles your chance of developing ED. Young smokers may not be aware that they have a much greater risk of developing ED by middle age compared with nonsmokers. If you smoke, make every effort to stop. High blood pressure. Make sure your blood pressure is checked at least once a year. If it is high, it can be treated. If you are overweight, losing some weight is advised. A high cholesterol. This can be treated if it is high. Inactivity. We should all aim to do some moderate physical activity on most days of the week for at least 30 minutes. For example, brisk walking, swimming, cycling, dancing, gardening, etc. Diet. Aim to eat a healthy diet. Details in a separate leaflet called 'Healthy Eating'. Alcohol excess. Diabetes. If you have diabetes, good control of the blood sugar level and blood pressure can help to minimise the impact of diabetes on the blood vessels. In men 40 years of age or older, a breast examination, digital examination of the prostate, and a PSA level (prostate specific antigen) blood test should be done to exclude breast and prostate cancer before starting testosterone treatment since testosterone can aggravate breast and prostate cancers. Patients who have breast and prostate cancers or are suspected of having them should not use testosterone. What should I do if I develop persistent erectile dysfunction? It is best to see your GP. He or she is likely to discuss the problem, go over any medication you may be taking, and do a physical examination. This can help to identify, or rule out, possible underlying causes. Before treatment, your GP may suggest some tests. buy cialis online prescription free buy cialis Dynamic infusion cavernosometry (DICC) - technique in which fluid is pumped into the penis at a known rate and pressure. It gives a measurement of the vascular pressure in the corpus cavernosum during an erection. subaction showcomments propecia thanks online buy propecia online Vacuum Devices: These work by creating a partial vacuum around the penis, which draws blood into the organ. The devices have three components: a plastic cylinder, into which the penis is placed; a pump, which draws air out of the cylinder; and an elastic band, which is placed around the base of the penis to maintain the erection after the cylinder is removed and during intercourse. buy levitra without prescription buy viagra online 35008 buy viagra buy viagra Retrograde ejaculation is common in males with diabetes who suffer from diabetic neuropathy (nerve damage). This is due to problems with the nerves in the bladder and the bladder neck that allow the ejaculate to flow backward. In other men, retrograde ejaculation occurs after operations on the bladder neck or prostate, or after certain abdominal operations. In addition, certain medications, particularly those used to treat mood disorders, may cause problems with ejaculation.