Does Your Face Turn Red When Drinking? Here’s Why

If you’ve ever noticed your face turning red after having an alcoholic drink, you’re not alone. This phenomenon, often called the alcohol flush reaction, is more common than you might think. But why does this happen?

It’s All About How Your Body Processes Alcohol

When you drink alcohol, your body breaks it down in a two-step process:

1. The liver converts alcohol into acetaldehyde: This compound is actually more toxic than alcohol itself.
2. Acetaldehyde is then broken down into acetate: Acetate is a harmless substance that your body can get rid of easily.

The problem arises when your body can’t process acetaldehyde effectively. Normally, an enzyme called aldehyde dehydrogenase 2 (ALDH2) helps convert acetaldehyde into acetate. However, some people have a genetic deficiency that makes this enzyme less active or completely inactive, meaning that acetaldehyde builds up in their system. This buildup causes the blood vessels to dilate, leading to that flushed, red appearance on your face.

ALDH2 Deficiency Is the Main Cause of Alcohol Flush Reaction

According to the National Institute on Alcohol Abuse and Alcoholism, ALDH2 deficiency is the primary cause of the alcohol flush reaction. It’s most commonly seen in people of East Asian descent, including those from China, Japan, and Korea. In fact, around 30% to 50% of East Asians have this genetic trait, which is why the condition is sometimes called the “Asian flush.

Why Your Heart Rate Increases Along with Facial Redness

Besides the redness, you might also notice a rapid heartbeat (tachycardia) when you drink. The excess acetaldehyde in your system can trigger your heart to beat faster, and in some cases, it might even lead to lightheadedness or dizziness. This is because acetaldehyde is a toxic substance, and your body tries to get rid of it as quickly as possible, causing your heart to work harder.

If Your Face Turns Red, You Might Have a Higher Risk of Health Issues

While having a red face after drinking might seem harmless, it can actually be a sign of bigger health concerns. Research shows that people with ALDH2 deficiency are at a higher likelihood of developing certain health problems, such as:

• Esophageal cancer: According to a study published in PLoS Medicine, people with ALDH2 deficiency who drink regularly have up to a 10 times greater risk of developing esophageal cancer compared to those without the deficiency.
• High blood pressure (hypertension): When you drink alcohol and experience flushing, your blood pressure tends to rise. Over time, regular alcohol consumption can contribute to the development of hypertension.

Why Your Skin Feels Warm When Your Face Turns Red

If you’ve noticed that your skin feels warm when your face turns red, that’s because your blood vessels are dilating (getting wider). This dilation allows more blood to flow through the tiny vessels in your face, which is why your skin feels warm and looks flushed. It’s your body’s way of responding to the acetaldehyde buildup.

The Role of Histamines Can Contribute to Flushing

Another factor that can contribute to facial redness is histamines. These are chemicals that can be found in certain alcoholic beverages, especially red wine and beer. Some people are more sensitive to histamines, and when they drink, they experience facial flushing along with other symptoms like nasal congestion, headaches, or itching.

If You Take Certain Medications, Alcohol May Cause More Flushing

Certain medications can also make your face flush when you drink alcohol. For example:

• Antibiotics like metronidazole or sulfonamides can interfere with how your body breaks down alcohol, leading to a flushing reaction.
• Diabetes medications such as metformin can also cause facial redness if combined with alcohol.
• Antidepressants or medications for high blood pressure may increase the chance of a flushing reaction.

If you take any of these medications, it’s a good idea to avoid alcohol or consult your doctor to understand how it might affect you.

Reducing the Alcohol Flush Reaction Isn’t as Simple as You Think

You might be wondering if there’s a way to prevent or reduce the alcohol flush reaction. Unfortunately, there’s no quick fix, as it’s tied to your genetics. However, here are a few tips that might help manage the symptoms:

• Avoid drinking large amounts of alcohol: The more alcohol you consume, the more acetaldehyde builds up, leading to increased flushing. Stick to smaller amounts to minimize the reaction.
• Choose drinks with lower alcohol content: Opt for drinks like beer or wine with lower alcohol levels compared to spirits like vodka or whiskey.
• Avoid mixing alcohol with histamine-rich foods: Red wine, aged cheeses, or processed meats can worsen flushing, so steer clear if you’re prone to this reaction.

What to Do If You Experience Severe Flushing

In some cases, the flushing can be severe and accompanied by symptoms such as:

• Trouble breathing
• Swelling of the face or throat
• Dizziness or fainting

If you experience these symptoms, stop drinking immediately and seek medical attention, as they might indicate a more serious allergic reaction.

The Takeaway

Facial redness when drinking is usually a indication that your body struggles to process alcohol due to ALDH2 deficiency. While this reaction can be embarrassing or uncomfortable, it’s also a warning sign that you should pay attention to your alcohol intake. Regularly drinking despite experiencing the flush reaction can put you at higher risk for certain health problems, including cancer and high blood pressure.

If you notice your face turning red when you drink, consider limiting your alcohol consumption or consult your doctor for advice. Understanding your body’s reaction can help you make smarter choices when it comes to drinking and taking care of your long-term health.