It’s easy to enjoy a drink now and then, but when casual drinking turns into regular overconsumption, your body can pay the price—especially in the bedroom. If you’ve ever noticed that your performance isn’t what it used to be after a night of heavy drinking, you’re not imagining things. Alcohol has a direct impact on your ability to get and maintain an erection, and frequent heavy drinking can turn occasional trouble into a chronic condition.

So, how much is too much? While one or two drinks may not cause long-term harm, repeated binge drinking or consistent heavy consumption can disrupt your hormones, nervous system, and circulation—three essential systems involved in sexual function. At Genesis Lifestyle Medicine, we understand how complex erectile dysfunction (ED) can be. That’s why we take a personalized approach to help you take back control of your health—and your confidence.

Can heavy drinking cause ED?

Yes, heavy drinking can absolutely cause erectile dysfunction—and the connection is stronger than many realize. Getting and maintaining an erection is a highly coordinated process involving your brain, hormones, blood vessels, and nerves. Alcohol affects all of these systems. While an occasional drink might relax you, frequent or excessive alcohol use can interrupt the physical and psychological signals that trigger an erection.

Let’s take a closer look at how this happens.

It depresses your central nervous system

Alcohol slows down the messages between your brain and your body. That includes the vital nerve signals that trigger an erection. When your brain can’t communicate properly with your penis, it becomes more difficult to respond to arousal—even if the desire is there.

It lowers testosterone levels

Heavy alcohol consumption has been shown to reduce circulating testosterone levels. Testosterone is a key hormone in male sexual function. Low levels can lead to reduced libido, trouble getting or maintaining erections, and even shrinkage of the testicles over time.

It impairs blood circulation

An erection relies on healthy blood flow. Alcohol is a diuretic, which causes dehydration and raises levels of angiotensin—a hormone that constricts blood vessels. This reduces the amount of blood that can flow into the penis, making it harder to achieve a firm erection.

It damages nerves and blood vessels long-term

Chronic drinking can cause permanent damage to your nerves and blood vessels. This includes the delicate blood vessels and nerve endings in the penis. Once damaged, these systems may not recover fully, even with reduced alcohol intake.

It increases your risk of cardiovascular disease

Heavy drinking is a known risk factor for high blood pressure and heart disease—both of which are major contributors to ED. Your sexual health is closely tied to your cardiovascular health, and damage in one area often shows up in the other.

How much is too much when drinking?

While everyone has different tolerances, the CDC defines heavy drinking as:

• More than 14 drinks per week for men
• More than 7 drinks per week for women

Binge drinking—defined as consuming 5 or more drinks in one sitting for men (4 or more for women)—can also disrupt your sexual function even if it’s not a daily habit. Over time, both binge drinking and consistent heavy drinking increase your risk of chronic erectile dysfunction.

Can alcohol withdrawal also cause ED?

Yes, withdrawal from alcohol can also contribute to ED—though usually on a temporary basis. When you stop drinking after long-term use, your body goes into shock. This withdrawal phase can cause symptoms like anxiety, high blood pressure, irritability, and nervous system imbalances—all of which interfere with your ability to get or maintain an erection.

The good news? Once you’ve gone through the withdrawal process and stayed sober for several weeks or months, your sexual function often begins to improve.

Signs and symptoms indicating your ED is caused by heavy drinking:

• Difficulty getting an erection after drinking
• Worsening symptoms after binge drinking episodes
• Reduced sex drive paired with regular alcohol use
• Erectile issues, even when you feel mentally aroused
• Delayed or absent ejaculation
• Problems began or worsened with increased drinking
• ED improves after abstaining from alcohol for a few weeks

How to manage alcohol consumption and ED?

Managing alcohol-related ED starts with acknowledging the role alcohol plays in your overall health. Cutting back—or cutting alcohol out entirely—can lead to noticeable improvements in sexual function within a few weeks to a few months. Focus on staying hydrated, managing stress, and incorporating healthy habits like regular exercise and balanced nutrition.

At Genesis Lifestyle Medicine, we offer a comprehensive, personalized approach to treating ED:

• ED medications (such as sildenafil or tadalafil) for quick symptom relief
• TriMix injections for reliable, immediate erections
• GAINSWave®, which uses sound waves to improve blood flow and repair blood vessels
• The P-Shot®, which uses your body’s own growth factors to rejuvenate penile tissue
• Testosterone therapy for men with hormone imbalances contributing to ED

Our goal is to treat not just the symptoms but the root causes. If you’re struggling with ED and suspect alcohol may be part of the problem, Genesis Lifestyle Medicine is here to help. Schedule a consultation, our medical team will work with you to create a customized plan that addresses your unique needs, whether that includes immediate solutions, long-term treatments, or both. You don’t have to let alcohol control your health—or your sex life.