Can coffee make you nauseous?

Without a warm beverage to get the day started, mornings are never quite complete. While I do enjoy tea, I can’t function without a hot cup of coffee. Sadly, we all understand that drinking too much coffee may be harmful. After a few too many cups, most of us have probably felt jittery, but what about after feeling sick from coffee? Can coffee make you nauseous? Is there a scientific justification for why drinking coffee might make you nauseous?

In the correct amounts, caffeine may improve both mental and physical performance and potentially lower the chance of developing Type-2 diabetes and metabolic syndrome. It can also have negative effects that make you feel like the living devil, though. While most of these side effects are only felt after consuming a lot of caffeine—I’m talking tens of cups—coffee-induced nausea is regrettably a rather regular side effect, especially if you already have a sensitive stomach.

Can coffee make you sick, then?


Is it preventable?


Let’s examine the science behind why coffee’s acidity and caffeine cause nausea as well as some prevention strategies.

Can Caffeine Make You Nauseous?

We feel more alert and energised because to caffeine’s potent stimulant effects on the central nervous system, heart, muscles, and blood pressure-regulating regions.

In order to avoid exhaustion and get through a long, demanding day, to increase our productivity and focus, or to help us get up in the morning, caffeine is used by many people.

Although caffeine has some beneficial benefits, they are regrettably not without a cost. You might want to skip that fifth cup of coffee because caffeine side effects are frequently experienced and become more likely the more you take.

Many people experience caffeine-induced nausea in addition to anxiety, jitters, and energy slumps, especially if they already have sensitive stomachs.

Can coffee make you nauseous 1 Can coffee make you nauseous?

Your digestive system will function more quickly and create more stomach acid than is necessary as a result of caffeine’s stimulation.

There is nothing for these acids to breakdown on an empty stomach, which can result in nausea, bloating, and abdominal pain.

Because it relaxes the lower esophageal sphincter, a muscular ring that divides your esophagus and stomach, caffeine also raises the probability of acid reflux or heartburn. This should seal securely because if it doesn’t, stomach acid will run up into your esophagus, causing a burning discomfort and nausea.

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The acidity of coffee is the main factor in why so many individuals feel queasy after consuming a cup.

The pH of coffee ranges from 4.5 to 5.5. (depending on the coffee brewing method, roast, and type of coffee).

After you drink your coffee in one gulp, the low acidity may give your stomach a little upset and make you feel queasy.

You must keep in mind that caffeine is a stimulant in addition to all this acidic information.

It acts as a stimulant, making your stomach operate more quickly than usual. This causes your stomach to create extra acid and may possibly cause some of it to spill outside of your stomach.

Can coffee make you nauseous Can coffee make you nauseous?


After a cup of coffee, there’s a legitimate reason you might find yourself rushing to the bathroom.

Coffee contains caffeine, which stops the body from creating ADH hormones. Your kidney stops absorbing water if the body doesn’t have enough ADH hormones.

The outcome?

After drinking your morning energy drink, you find yourself rushing to the restroom.

Additionally, you could possibly get sick or have diarrhea.

Acid Reflux

Acid reflux is another cause of nausea for some coffee consumers.

People with acid reflux have more sensitive stomachs than others who don’t have these problems, who may be well.

Coffee includes acid, so people who already experience acid reflux may find that it makes their heartburn and nausea worse.

Coffee drinkers with acid reflux may discover that their symptoms worsen.


Acid reflux is another cause of nausea for some coffee consumers.

People with acid reflux have more sensitive stomachs than others who don’t have these problems, who may be well.

Coffee includes acid, so people who already experience acid reflux may find that it makes their heartburn and nausea worse.

Coffee drinkers with acid reflux may discover that their symptoms worsen.

And even if you take a drug that I didn’t mention, it still could be to blame.

Before taking your medication with coffee, read the labels. You may prevent unpleasant side effects like nausea in this method.

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Milk & sweeteners

It may also rely on how you’re drinking the coffee if you believe that these two aspects aren’t the cause of your queasy feeling after drinking coffee. adding sweetness and milk? Both have the potential to upset your stomach and make you feel queasy.

If you notice that you feel particularly uncomfortable after a milky coffee, you may be lactose intolerant. Artificial sweeteners can disturb your gut’s natural microbiota, further distressing your poor acid-filled tum. If you have any worries or inquiries about your symptoms, it is worthwhile to talk to your doctor.

The Smell of Coffee

What should you do, therefore, if the scent of coffee makes you want to flee the area?

According to some research, this may be because your body equates the fragrance of coffee with the harmful effects of caffeine. You know how after that wild night years ago, there’s only one alcoholic beverage you can no longer take the sight of? It operates on the same idea.

Unfortunately, other than sticking a clothespin on your nose, there isn’t much you can do about that type of coffee aversion!


Speaking of dislikes, many pregnant ladies who like coffee are unable to consume it. Of course, consuming less caffeine when pregnant is advised. By doing so, you’ll lessen the possibility of any negative effects on the infant. However, a lot of ladies claim to have grown to actually dislike the drink.

This is due to a number of factors. To begin with, it can be the body’s defense against ingesting something that might contain hazardous substances.

Additionally, caffeine activates the gastrointestinal tract, increasing the production of stomach acid. Therefore, drinking coffee may cause acid reflux, heartburn, or morning sickness symptoms. And no pregnant woman desires that!

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How To Prevent Feeling Nauseous After Coffee

Because of those acids, you can still enjoy your morning coffee without feeling queasy every time.

Can coffee make you nauseous 1 Can coffee make you nauseous?

Eat something

Gariglio-Clelland argues that eating before consuming coffee is beneficial. The best strategy to prevent caffeine-related nausea is to eat something prior to or at least concurrently with your coffee, advises the expert. Even a slice of toast will work, but protein-rich meals like yogurt, eggs, and cheese will assist somewhat slow down digestion, which helps lessen nausea.

Drink it black or use a different milk

Dr. Sunni Patel, a doctor and expert in gut health, suggests that another choice is to either completely forego cow’s milk or choose a plant-based alternative.

Keep hydrated

Finally, remember to drink plenty of water. Dr. Patel notes that while a study from the NHS found that a “little amount of coffee will not dehydrate you,” drinking lots of water mitigates the unpleasant effects of coffee on the stomach and maintains your electrolytes, “particularly if the coffee is making you go to the bathroom more frequently.”

Try to reduce

Limiting your coffee consumption may be your only choice if none of the other solutions work.

“Look for other options to obtain the boost or wake-up you need. Try a stroll, some exercise, or other iced beverages like shakes or smoothies, advises Dr. Patel. Additionally, try it later in the morning or in the early afternoon if you truly need a coffee.

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Final verdicts

Due to its benefits for mood, energy, attention, and productivity, caffeine is a widely used drug in all parts of the world. But these frequently come with a host of undesirable side effects, like nausea.

By acting as a diuretic and producing an excess of stomach acid, which can also seep into the esophagus and produce acid reflux, caffeine can make you feel sick.

Additionally frequently including milk or other sweets, caffeine-containing items can exacerbate nausea symptoms.

You should always make sure you are full before ingesting caffeine, drink lots of water, avoid cow’s milk and sweets, or choose a caffeine supplement with far less negative effects.

If you frequently drink coffee and feel nauseous after, you may be suffering from coffee sensitivity. This is a real phenomenon where coffee can actually make you physically ill. If you think this might be the case for you, it’s important to see a doctor to rule out any other potential causes. There are also some things you can do at home to try and lessen the symptoms like drinking decaf or taking breaks from caffeine altogether. If you’re not sure what’s causing your nausea, we recommend contacting us through Angelo’s Burgers for help. Our team of experts will work with you to find the root cause of your problem so you can feel better fast.

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