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If treating an underlying condition doesn't help your erectile dysfunction, medications or other direct treatments may work. Can low testosterone level be replaced? Because of potential adverse effects and complex metabolism, the use of testosterone replacement therapy (TRT) is limited to men with symptoms of erectile dysfunction and a testosterone level of less than 200 nanogram per deciliter. Preparations available in the U.S. are topical, injectable, and transbuccal (placing inside mouth between the cheek and upper gum) testosterone. Oral preparations are not available in the U.S. viagra online generic canada viagra online
Blood glucose levels: Abnormally high blood glucose levels may be a sign of diabetes mellitus. buy levitra online in canada levitra online
A few causes of impotence may be iatrogenic (medically caused). best online site to buy generic viagra about viagra
Substance abuse: Marijuana, heroin, cocaine, methamphetamines, crystal meth, and alcohol abuse contribute to erectile dysfunction. Alcoholism, in addition to causing nerve damage, can lead to atrophy (shrinking) of the testicles and lower testosterone levels. Buy viagra no prescription required When there is angina or heart failure, the doctor may need to determine whether the heart has enough reserve to safely carry out the work necessary for sexual activity by performing cardiac treadmill stress testing. Buy viagra no prescription required What Is Inhibited Sexual Desire? Inhibited desire, or loss of libido, refers to a decrease in desire for, or interest in sexual activity. Reduced libido can result from physical or psychological factors. It has been associated with low levels of the hormone testosterone. It also may be caused by psychological problems, such as anxiety and depression; medical illnesses, such as diabetes and high blood pressure; certain medications, including some antidepressants; and relationship difficulties.