Sexual Problems in Men Summary Many men have sexual problems. They become more common as men age. Problems can include Erectile dysfunction Reduced or lost interest in sex Problems with ejaculation Low testosterone Stress, illness, medicines, or emotional problems may also be factors. Occasional problems with sexual function are common. If problems last more than a few months or cause distress for you or your partner, you should see your health care provider. Encyclopedia Aging changes in the male reproductive system Reifenstein syndrome Health Check Tools Bloody Ejaculation DSHI Systems Clinical Trials ClinicalTrials.gov: Male Sexual Dysfunction National Institutes of Health ClinicalTrials.gov: Premature Ejaculation National Institutes of Health Specifics Decreased Libido Hormone Health Network Delayed Ejaculation Mayo Foundation for Medical Education and Research Premature Ejaculation American Academy of Family Physicians Retrograde Ejaculation Mayo Foundation for Medical Education and Research Array Delayed ejaculation Premature ejaculation Retrograde ejaculation Related Issues Erectile Dysfunction American Diabetes Association Keeping Your Sex Life Going Despite Cancer Treatment American Cancer Society Low Testosterone and Men’s Health Hormone Health Network Male Hypogonadism Mayo Foundation for Medical Education and Research Testosterone Therapy: Key to Male Vitality? Mayo Foundation for Medical Education and Research Reference Desk How the Male Body Works Sexually American Cancer Society Seniors Male Menopause: Myth or Reality? Mayo Foundation for Medical Education and Research Senior Sex: Tips for Older Men Mayo Foundation for Medical Education and Research Journal Articles Sexual Problems in Men Treatments and Therapies Sex Therapy Mayo Foundation for Medical Education and Research When Is Sexual Counseling Helpful? American Cancer Society Start Here Sexual Problems Department of Health and Human Services, Office on Women’s Health Videos and Tutorials Sexual Problems American Society for Reproductive Medicine Diagnosis and Tests Testosterone Test American Association for Clinical Chemistry