People can experience sexual dysfunction at any point in their lives. Common problems include low libido, mismatched expectations, erectile dysfunction, premature ejaculation, pain or discomfort on intercourse, vaginismus, performance anxiety, fear of specific activities or sex in general, promiscuity, gender identity and sexual confusion.
Some difficulties can have a physical cause. Conditions such as diabetes, heart and vascular (blood vessel) disease, neurological disorders, hormonal imbalances (including menopausal changes), chronic disease, alcoholism and drug abuse can cause sexual problems. The side effects of some medications, including antidepressants, can also affect sexual desire and function.