19 Dangerous Side Effects of Drinking Too Much Coffee

Olu Ojo
Advertiser Disclosure

Hey there! We just wanted to let you know that some of the links on this site are affiliate links. That means we may get a commission if you click on the link and make a purchase. As an Amazon Associate we earn from qualifying purchases. You can read our affiliate disclosure in our privacy policy. Don't worry, though - we only recommend products that we personally use and love, and we promise to drink all the coffee from the money we make from affiliate sales. Thanks for your support, and we hope you find our content helpful! Read our disclosure.

Once again, we find ourselves embarking on the journey of caffeine exploration. Today, our destination is the shadowy realm of our beloved liquid sunrise – coffee. Before you let out a gasp of disbelief and launch your eco-friendly coffee mug toward the screen, let me clarify that we’re discussing excessive indulgence, not your customary morning cup or two. As they say, moderation is key, isn’t it?

For many of us, coffee is a morning ritual, a fuel for our workdays, or even a socially accepted addiction. But where do we draw the line? Allow me to take you on a journey through the hidden aspects of this beloved bean. Discover the 18 side-effects that excessive coffee consumption can bring, unveiling the truths that the latte art Instagram feed tends to conceal.

Restlessness and Shakiness

Restless Woman
Provided by Frenz

Remember that time when you might’ve had one (or three) cups too many and felt like you could single-handedly power a small city? This hyperactivity is often paired with a rather unwelcome shakiness – your body’s not-so-subtle way of saying, “Slow down, turbo!”


Insomniac Man trying to sleep but cant
Provided by Frenz

The allure of the midnight macchiato, with its promise of productivity, often overpowers our better judgment. But as the saying goes, “What the night brew giveth, the night brew taketh away… from sleep.” Long story short, less sleep, more sheep.


Insomiac man trying to work
Provided by Frenz

Excessive coffee consumption may also contribute to the familiar throbbing sensation in our heads. Isn’t it ironic? The very elixir we depend on to alleviate morning headaches could potentially be the culprit.

Dizziness and Hallucination

Dizziness from Coffee
Provided by Frenz

If you consume an excessive amount of coffee, it may make your day feel surreal, as if it was a scene from the movie ‘Inception.’ Therefore, if your pet suddenly starts speaking fluent French, it might be a sign that you need to reduce your intake of espresso shots.

Fast Heart Rate

Man checking BPM on a fitness tracker and confirming with his finger
Provided by Frenz

There’s an uncanny resemblance between the experience of a 5-shot espresso and a 100-yard sprint. Your heart races, except you’re not crossing any finish line. A heart isn’t a race car, my friends; we need to stop treating it like one!


Dehydrated Man drinking water
Provided by Frenz

Coffee is a diuretic – basically, a VIP pass for your body’s hydration to exit pronto. So, the ‘brew’ in your system might be leaving you high and dry, quite literally.


Anxious Woman
Provided by Frenz

Our beloved beverage can turn into quite the drama queen, with overconsumption often leading to increased anxiety. Just as you wouldn’t invite a chainsaw-wielding clown to a child’s birthday party, maybe don’t inundate your system with caffeine if you’re already feeling anxious.


Coffee Dependency Portrayal
Provided by Frenz

Here’s the bummer. Coffee can be habit-forming, and before you know it, you’re needing more to feel the same level of alertness. Your morning buddy slowly morphs into a demanding monster.

Digestive Issues

Digestive Issue
Provided by Frenz

GERD and loose stools, not the pleasant coffee table talk, right? But overindulging in coffee can stir up these digestive rebels. We love a good coffee ground, but not the battleground in our stomach!

Muscle Breakdown (Rhabdomyolysis)

Woman in 40s showing her muscles
Provided by Frenz

Imagine your muscles pulling a ‘Thanos’ and breaking down into your bloodstream. Sound like a superhero side-effect? It’s not. It’s a serious condition called Rhabdomyolysis, which extreme caffeine consumption can potentially trigger.


Provided by Frenz

For expecting mothers, overconsumption can cause an unsettling spike in the fetus’s heart rate and metabolism, potentially leading to miscarriage—more reason to trade that extra cuppa for a snuggle in the baby blanket section.


Provided by Frenz

Some folks may have an allergic reaction to coffee. Not your average ‘I-turn-into-a-werewolf’ type, but it can induce itchy skin, swelling, or even difficulty in breathing.

Menstrual Problems

Woman Facing her Cycle
Provided by Frenz

Too much coffee can also throw a wrench into the monthly cycle. You want your espresso machine to run like clockwork, not your hormones.

Bone Thinning

Weak man trying to exercise
Provided by Frenz

Especially in elderly women, overconsumption can lead to osteoporosis. Bones aren’t just your body’s scaffold; they’re the mineral stores. And coffee, in excess, might just be a stealthy mineral thief!

Breast Tissue Cysts

Woman having chest pain
Provided by Frenz

Some studies link excessive coffee drinking to the development of fibrocystic disease, a benign condition causing painful lumps in the breasts; as if women didn’t have enough to deal with!

Inhibits Skin Collagen Production

Aging Comparison
Provided by Frenz

Your coffee might be contributing to the ‘aged parchment’ look far more effectively than any vintage photo filter. Overdoing caffeine can slow collagen production, leaving you with skin that’s not as plump as a freshly steamed milk froth.

Impairs Hearing Loss Recovery

Hearing Loss Issue
Provided by Frenz

For anyone turning up the volume a notch higher recently, your coffee might be jamming your body’s self-repair audio system, making recovery from hearing loss more difficult.

Triggers Acne

Provided by Frenz

It’s not puberty again; it’s your coffee! Overconsumption might be causing those uninvited and, frankly, unwelcome acne flare-ups.

And there you have it, folks! The unvarnished truth about the bitter side of sweet, sweet coffee. While we don’t aim to make you ditch your coffee – a life devoid of that is a plot too grim – we do advise you to drink responsibly. After all, even the finest roast should be a treat, not a treatment.

Remember, the best brew is the one that respects you in the morning. So, keep it balanced and sane, and your love affair with coffee can continue to spill over into many frothy, caffeinated mornings to come.

Bleeding Disorders


Studies have shown that the caffeine present in coffee has the potential to delay blood clotting and potentially exacerbate bleeding disorders in individuals. As a result, it is recommended that people who have bleeding disorders exercise caution and consider avoiding the consumption of coffee.

20 Common Health Myths That Are Ruining Your Well-being

20 Common Health Myths That Are Ruining Your Well-being
Canva by filadendron
Achieving good health and happiness is a common goal for all of us. However, there are numerous misconceptions about health that may hinder our progress. These 20 prevalent health myths can negatively impact your well-being. It’s crucial to distinguish between fact and fiction when it comes to self-care. Prepare to gain insight into the truth behind some of the most widely believed health myths.

20 Common Health Myths That Are Ruining Your Well-being

10 Dangerous Side Effects of Eating Too Many Eggs, According to Science

Dangerous Side Effects of Eating Eggs
Provided by Frenz
Eggs are a staple in many people’s diets. They are packed with protein and nutrition, making them an easy go-to for breakfast or lunch. However, eating too many eggs can have its risks. From high cholesterol levels to increased cancer risk, plenty of side effects are associated with overindulging in this food item.

10 Dangerous Side Effects of Eating Too Many Eggs, According to Science

10 Ways Even a Little Alcohol Can Shorten Your Lifespan According to Science

Young Man drinking Alcohol
Provided by Frenz
Pop the cork, pour the elixir into that elegant glass, and revel in its soothing magic as it trickles down your throat. Or perhaps it’s the satisfying fizz of a chilled beer after a hard day at work that makes the world seem okay again. While alcohol may be the chosen elixir of life for some, it’s less ‘Elixir of Life’ and more ‘Specter of Death,’ stealthily shortening your lifespan one sip at a time.

10 Ways Even a Little Alcohol Can Shorten Your Lifespan According to Science

Should You Rinse Ground Beef? Here’s the Final Verdict

Should You Rinse Ground Beef?
Vinicef via Canva

Ground beef is a staple ingredient in many kitchens across America, with millions of recipes using it as a base for a variety of dishes. However, there seems to be a growing controversy among cooks and food enthusiasts regarding whether or not to rinse ground beef after browning it.

Should You Rinse Ground Beef? Here’s the Final Verdict

15 Healthy Habits That Can Help You Achieve a Flat Stomach

Flat belly

Having a flat stomach is something that many people strive for, but it can be hard to achieve. Achieving a toned, flat stomach requires dedication and consistency with diet and exercise.

15 Healthy Habits That Can Help You Achieve a Flat Stomach


  • Olu Ojo

    My name is Olu. I am a passionate entrepreneur who loves to write about Pets, Home Improvement Hacks & Products, Fitness, and Travel Lifestyle. I have two bachelor's degrees in Veterinary Medicine and Applied Accounting with a CPA designation. I currently shuffle time between completing a Master of Business Administration Degree Education, Professional Practice, and Content writing. I have freelanced lifestyle content and posts for many top authority websites like MSN, and Wealth of Geeks.

Spread the love

Leave a Comment

Frenz Lifestyle & Wellness Blog

For Lifestyle trends, tips, and best product reviews

Join Our Subscriber List Today!

This will close in 0 seconds