8 Side Effects of Drinking Too Much Coffee

No doubt, coffee is a healthy beverage as it boosts metabolism, mood, improve mental and physical performance. But, if you drink coffee in excess, it will adversely affect your body.

Coffee is consumed by millions of people as it improves your focus and concentration on work. Drinking more than 4 cups of coffee in a day is bad for your health, and you need to cut back if you are drinking more than 4 cups of coffee a day. Caffeine is also not a good choice for people who take certain medications and women who are pregnant or who are trying to become pregnant, and those who are breastfeeding should talk also consult their doctors about their caffeine intake. Here are some common side effects of Coffee if you drink it in excess.

Here are the Side Effects of Too Much Caffeine


According to sleep experts, the excess of caffeine intake can lead to insomnia and sleeping problems. Consuming low to moderate amount of coffee that is 2 to 4 cups of coffee are not get affected by coffee but those who drink more than 500 to 600mg that is 4 to 7 cups of coffee a day may experience sleeping problem. If you drink more than 4 of coffee in a day and face sleeping problems, then it’s time to limit your caffeine intake because irregular sleep or loss of sleep will affect your daytime performance at work and make you jittery.

Anxiety and Stress

Coffee raises energy levels and makes you feel awake. Coffee blocks the release of Gamma-aminobutyric acid (GABA), and this neurotransmitter is known as the brain’s natural Valium which acts as a calming inhibitor and gets rid of the worrying thoughts in mind. According to experts, along with serotonin, GABA helps your brain control anxious thoughts. When caffeine GABA from being released, you feel terrible distress and anxiety. So, a high amount of coffee leads to problems like anxiety and stress. Drinking coffee around 1000 ml a day is extremely high coffee intake cause nervousness, jitteriness, rapid breathing and increase stress levels.

Irritate Digestive Tract

Coffee is acidic because of the caffeine even a decaf coffee leads to a greater increase of acidity. This is why over intake of coffee will irritate the lining of your small intestine and stomach. Avoid coffee if you have a problem of gastritis, ulcers, Crohn’s disease or IBS. Helicobacter pylori bacteria is one of the causes of ulcers, and the acid in coffee weakens stomach lining and gives a fertile ground for the bacteria to take hold of. Coffee can also wreak on the lining in the small intestines and lead to problems like cramps, abdominal spasms, constipation, diarrhea.

Muscle breakdown

Coffee or caffeine intake is one of the causes of Rhabdomyolysis. Rhabdomyolysis is a very serious condition in which our damage muscle fibers enter the bloodstream and lead to kidney failure and other problems. Other causes of Rhabdomyolysis include trauma, drug abuse, infection, muscle strain and bites from poisonous snakes or insects. In order to reduce the risk of rhabdomyolysis, it’s best to limit your intake to about 250 mg of caffeine per day if you are consuming more coffee.

High Blood Pressure

Coffee may raise your blood pressure and increase the risk of cardiovascular diseases. High caffeine before or during the workout may increase your blood pressure, and high blood pressure is a risk factor for heart attack and stroke because it may damage arteries over time and restrict the flow of blood to heart and brain.

Also Check – Causes and Symptoms of High Blood Pressure

Raises Cholesterol

According to a study, it is found that 5 cups of French Press Coffee contains 30 mg of cafestol and this is the most powerful substance for increasing cholesterol levels. Cholesterol is a fatty substance which is needed to produce vitamins, hormones and essential element in our body. They are of two types first is Low-Density lipoproteins, i.e. LDL and the other one is High-Density Lipoproteins i.e. HDL. We need both for our body to function but LDL is considered as a bad cholesterol and excess of LDL leads to the buildup of cholesterol in your arteries and cause the variety of heart and blood pressure problems.


Tea, Coffee and energy drinks which contains caffeine are known to boost energy levels. But, these caffeinated energy drinks increased the alertness for several hours, but it is also shown that after a few hours people feel more tired than other days. Well, you can rebound effect, by having another cup of coffee but this will affect your ability to sleep or may cause sleep disorders. So, it is better to drink a moderate amount of coffee.

Frequent Urination

The high amount of coffee intake increases the frequency of urination due to the compound’s stimulatory effects on the bladder. Women’s also face the problem of Urine Incontinence also called Leaky Bladder. In this condition, women may lose control on their bladder, and even a sneeze can make them leak.

So, these are some side effects of over-consumption of coffee. There are also significant health benefits of drinking coffee. What you need is keep your daily coffee intake under 300 mg that is around 3-4 cups of roasted coffee (5 cups of instant).

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About Yamini Singh 101 Articles
Confident, Quirky and Bold. Yamini is a fashion and lifestyle blogger who loves to utilize her style to experiment on new things and push limits. She always had a flair for writing, loves to read blogs and apart from fashion, she gives genuine dating and relationship tips.

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