honeypot link
Brought to you by
About Merck
Merck Careers
Research
worldwide
skip to main content
skip to main content
Professional
Consumer
MERCK MANUAL
Consumer Version
HEALTH TOPICS
HEALTHY LIVING
SYMPTOMS
EMERGENCIES
DRUG INFO
RESOURCES
NEWS
ABOUT US
HEALTH TOPICS
HEALTHY LIVING
SYMPTOMS
Home
/
Men's Health Issues
/
Sexual Function and Dysfunction in Men
/
Sexual Function and Dysfunction in Men
Expand all
Collapse all
Overview of Sexual Function and Dysfunction in Men
Normal Male Sexual Function
Sexual Activity and Heart Disease
Decreased Libido in Men
Treatment
Erectile Dysfunction (ED)
Causes
Blood vessel disorders
Nerve disorders
Other disorders
Evaluation
Warning signs
When to see a doctor
What the doctor does
Testing
Treatment
Mechanical devices and procedures
Drugs
Surgery
Essentials for Older People: Erectile Dysfunction
Key Points
Inability to Ejaculate
Premature Ejaculation
Treatment
Learning to delay ejaculation
Retrograde Ejaculation
Treatment