More than 400 drugs are in this book, are yours? Maybe your sex life isn't what it used to be. Maybe it isn't even what you hoped it would be at your age. Or perhaps you have disappointed your partner on more than one occasion by not being able to perform sexually as hoped or expected. "What's wrong?" you-or your partner-might ask. Good question. There is a possibility that you might not be aware of. The cause could be a medicine you are taking ... and that is the subject of this book. It's estimated that one third of adult males have a health problem affecting their sex performance, sometimes as an adverse effect of the medicine they are taking to treat their health problem. Lack of desire is believed to be the most common form of female sex dysfunction - affecting up to 10% of women. It may be caused by drugs they take. There are drugs to treat male and female sex performance problems. Read about them in this book. All drugs have some side effects. Side effects that can be caused by a drug include erectile dysfunction, difficulty achieving orgasm, ejaculation failure, impotence, decreased desire, pain during intercourse, and lower testosterone. Some commonly used drugs with known sexual performance side effects include cholesterol lowering drugs, blood pressure drugs, antidepressants, anti-anxiety and antipsychotic drugs, anti-fungals, anti-ulcer and anti-epileptic drugs, oral contraceptives, and cancer drugs.