What are the disadvantages of drinking too much coffee?

In this text we will answer the question: “What are the disadvantages of drinking too much coffee?”. In addition, we will discuss the benefits of drinking coffee regularly.

What are the disadvantages of drinking too much coffee?

When consumed in excess, we generate an atrocious dependence on coffee and can have some consequences such as anxiety, stress, tremors, panic attacks and dehydration.

Coffee is part of the morning at least for more than half of the world’s population. It tastes good, wakes up and brings health benefits. But it’s not all positives. Discover the advantages and disadvantages of coffee:

Coffee with medicines

Coffee can have serious consequences for people taking certain medications, either by blocking their effects or by affecting the absorption of caffeine. 

Some medications can increase the effects of coffee, and as a result, caffeine can persist in the body for several hours (for example, women who take birth control pills can have caffeine in their bodies for up to four hours longer than those who do not consume any medication).

Anxiety and stress

Drinking too many cups of coffee can cause anxiety, making your hands shake, generating stress, and even causing irritability and even a panic attack.


Caffeine has a diuretic effect, so if taken daily and in excess, the body can become dehydrated. The ideal is to balance, reducing coffee consumption and ingesting more water.

Cause addiction

Caffeine can cause a strong dependence and even withdrawal symptoms such as difficulty concentrating and muscle stiffness. Also, it can make you unable to wake up or wake up if you don’t drink coffee.

Accentuates ulcers

Anyone who suffers from gastritis or has a stomach ulcer should stay away from coffee, as it accentuates the pain and exacerbates the problem.

Reduced fertility

If you are planning a pregnancy, coffee is not a good ally if taken in large doses. Excessive caffeine affects the fallopian tubes, preventing the egg from reaching the uterus and implantation there.


Caffeine can cause strong fluctuations in blood glucose, causing hypoglycemia (low blood sugar). Symptoms include weakness, nervousness, tremors and heart palpitations.

Insomnia and tiredness

Caffeine can affect the quality of sleep, it can worsen the symptoms of insomnia, panic attacks and anxiety. Anyone who regularly takes more than 100 mg of caffeine (one cup of coffee) a day is likely to experience some symptoms of fatigue, irritability, difficulty concentrating and muscle stiffness.

Does drinking coffee regularly have any benefits?

Yea! In addition to being tasty, coffee has numerous health benefits, there are many advantages of drinking coffee regularly, such as:

Coffee is a true natural antidepressant. Especially in the elderly, coffee is a powerful aid in preserving memory and provides feelings of enthusiasm, of a certain active well-being that enhances a positive way of facing life. It can be said that coffee adds activity and pleasure to life.

As a stimulant, coffee accelerates brain performance, in moderate amounts. By fighting sleep, it ends up bringing benefits, for example in study and intellectual work, as it keeps the mind active and alert. In this way, it can also help fight Alzheimer’s disease.

Coffee has antioxidants that can be useful in fighting type 2 diabetes, as they help control the cells responsible for that disease.

Coffee is a powerful physical exercise aid, as it speeds up metabolism, thus increasing the rate at which calories are burned. By stimulating the nervous system, it also provides a greater performance of the physical effort and can thus be useful to the performance of the athletes, increasing the muscular tension.

It helps in the fight against cholesterol, contributing to the increase of HDL levels (good cholesterol) and reducing harmful cholesterol.

Coffee has considerable benefits in difficult digestion as it increases the acidity present in the stomach. Digestion takes place faster due to increased secretion and acids. For the same reason, coffee also works as an effective natural laxative, fighting constipation.

It acts in the fight against cancer, contributing to the prevention of various types of this pathology, mainly of the colon, uterus or breast, once again due to its antioxidant action.

The bottom line

Coffee has its advantages and disadvantages, everything will depend on the frequency and way in which it is consumed, so that it does not generate dependence and other serious problems.

In conclusion, we can say that coffee consumption can have more benefits than disadvantages as long as it is taken in the correct amount; as can be seen, most negative effects only occur when the ingested dose is higher than recommended.

Two or three cups of espresso coffee a day is the upper limit. However, these values ​​are highly dependent on each person’s particular situation in terms of physical health and age. When in doubt, consult your doctor.

Other FAQs about Coffee that you may be interested in.

What are coffee disadvantages?

What are the attributes of coffee?

What are the benefits of coffee with milk?


In this text we answered the question: “What are the disadvantages of drinking too much coffee?”. In addition, we discussed the benefits of drinking coffee regularly.



Hi, I am Charlotte, I love cooking and in my previous life, I was a chef. I bring some of my experience to the recipes on this hub and answer your food questions.