Why Does Wine Give You a Headache? The Truth About Sulfites

Wine lovers often hear the same explanation after a night of drinking:
“I get headaches because of sulfites.”

It’s one of the most common myths in the wine world. Many people believe sulfites are the main reason wine causes headaches, but the reality is far more complex.

Understanding what actually causes wine headaches can help you enjoy wine more comfortably and make better choices when selecting a bottle.

Let’s break down the myth.

What Are Sulfites in Wine?

Sulfites are naturally occurring compounds that form during fermentation. Winemakers may also add small amounts to help preserve the wine and protect it from oxidation or bacterial spoilage.

Without sulfites, most wines would spoil quickly or develop unwanted aromas.

Sulfites are not unique to wine. They are commonly found in many foods, including dried fruits, packaged foods, and even some sauces.

Despite their reputation, sulfites are rarely the cause of headaches for most people.

Are People Allergic to Sulfites?

True sulfite sensitivity is extremely rare.

It mainly affects a small percentage of people with severe asthma who may experience respiratory reactions to high levels of sulfites. For the vast majority of people, the amount present in wine is not enough to trigger a reaction.

Interestingly, many foods contain higher levels of sulfites than wine, yet they rarely get blamed for headaches.

This suggests something else is responsible.

The Real Reasons Wine Can Cause Headaches

Several factors can contribute to wine-related headaches.

Alcohol and Dehydration

Alcohol acts as a vasodilator and can lead to dehydration. Both of these factors can trigger headaches if wine is consumed without adequate water.

Histamines

Red wines naturally contain higher levels of histamines, compounds that can cause sensitivity in some individuals.

Tannins

Tannins are responsible for the drying sensation in red wines. Some research suggests tannins may stimulate the release of serotonin in certain people, which could contribute to headaches.

Drinking Speed

Often the simplest explanation is the correct one. Drinking wine too quickly or without food can intensify the effects of alcohol.

Why Red Wine Is Often Blamed

Many people notice headaches more often after drinking red wine than white wine.

This is likely due to the combination of higher histamine levels, tannins, and sometimes higher alcohol levels.

Red wine’s structure is simply more complex, which means there are more compounds that might affect sensitive drinkers.

How to Avoid Wine Headaches

If you occasionally experience headaches from wine, a few simple strategies can help.

• Drink water between glasses
• Avoid drinking on an empty stomach
• Choose balanced wines with moderate alcohol
• Drink slowly and pay attention to your tolerance

Quality also matters. Well-made wines often feel more balanced and easier to drink.

Conclusion

Sulfites are often blamed for wine headaches, but they are rarely the true cause.

In most cases, dehydration, alcohol levels, histamines, or drinking habits are more likely responsible.

Understanding these factors can help you enjoy wine more comfortably and confidently.

And if you’re curious to learn more about how wine works—from aromas and tannins to food pairings—there’s no better way than experiencing it firsthand.

At The Sommelier’s Tasting Room, our guided wine tastings on the Gold Coast are designed to make wine approachable, educational, and memorable.

Because wine should always be about discovery, not confusion.