ED can occur most often when blood flow in the penis is restricted or there has been nerve damage.
As an early warning of a more serious disease such as atherosclerosis (hardening or blocked arteries), heart disease, elevated blood pressure, or elevated blood sugar levels.

Yes, erectile dysfunction was shown to be reversable in 29% of cases after 5 years, according to a report published in the Journal of Sexual Medicine. However, even if ED cannot be treated, the correct therapy can reduce or eliminate symptoms.

Sildenafil (Viagra) and tadalafil (Cialis) are prescribed most often by doctors and have been shown to be equally safe and effective to treat erectile dysfunction.

ED medications work by helping increase the blood flow to your penis, which improves your ability to achieve and maintain an erection.
However, the medications can take anywhere between 30 to 60 minutes to start working, and you still need to be sexually aroused.

Headache, flushing, upset stomach, nasal congestion, vision problems, diarrhea, dizziness, and rash are the most common side effects associated with ED medications. Any erection lasting longer than 4 hours needs medical attention to prevent damage.

ED medications are most effective when combined with lifestyle changes that promote overall health, such as eating a healthy diet, exercising, and avoiding smoking. Reducing alcohol consumption can also help if you frequently experience ED after drinking alcohol.

Lack of sex drive and erectile dysfunction are sexual problems that can result from low testosterone. If low testosterone is the cause, treating it can help. However, testosterone treatment has not been shown to improve erections in men with normal testosterone levels.