We are now at the age of AI. And people around us are not ready to take any kind of incompleteness. Those who have low weight are trying to gain weight and those who are heavyweight are trying to lose weight. And as to speak of losing weight the most popular term on the internet may be keto diet. And in most of the cases, people face some imbalances during their primary period of the keto diet. Keto flu is one of them.

Now comes the question: What is keto flu? And why people suffer from it while following a keto diet? In today’s article, we will discuss what is keto flu, is keto flu dangerous, is it contagious, is keto flu is something like a cold, is it a good sign and so. People have numerous amount of questions on keto flu. And today our goal will be to answer them. And this article is not the end of the discussion. We have some more articles related to keto flu. You may like to check them as well:

When Does Keto Flu Start And End

How to Prevent Keto Flu

Keto flu is a set of symptoms that can occur in some people when they start a low carbohydrate diet. As we decrease our carbohydrate consumption, our body has to go through an adaptation procedure. As human being we have a general diet chart. And normally most of us live on carb-based diets.

Another thing to add here is: See, you are here to lose weight. That means your weight is high. And why is that? It is because you have eaten more carbohydrates than necessary. This extra carbohydrate has added to your weight and now you have got no other choice other than going on an extremely low-carb diet like the ketogenic diet.

Ketogenic or keto is a diet plan with strict carbohydrate intake. The primary principle of this diet is to reduce the consumption of carbohydrates in our day to day life. And the keto diet basically reduces the amount of carbohydrate consumption drastically. This huge change in your food habit necessarily impacts your body. And as a result, your body reacts to these changes which result in some symptoms. And these symptoms are known as keto flu.

It is not our common routine. So anyone who starts the keto diet for the very first time feels very confused. And his/her body feels some discomfort. This confusion knows no bounds when they face this flu. They get panicked. So let us discuss now what is keto flu so that from now on you guys do not face any more confusion on this topic.

What is keto flu?

The first question and the most interesting question that we got related to “what is keto flu” is: Is keto flu real? And our answer is: Yes, it is real. Unfortunately, most of the people who follow a keto diet have experienced this flu. But if your question is: Is keto flu something like a cold or normal flu? Then our answer will be: No, definitely not. It is not the flu itself. But keto flu has all the symptoms like common flu: headache, fatigue, pain throughout the body, dizziness, and nausea.

If you search prominent keto forums you will find that people all over the world who follow the ketogenic diet are mostly confused about what is keto flu. It is because there is not enough data on what is keto flu on the internet and as people are not getting the answers they often feel frustrated and often leave their ketogenic lifestyle in the mid-way.

For these reasons, we will try to cover each and every question that we have found on: what is keto flu on the internet. Very recently we have got a question on this topic and it is: Is keto flu contagious? So, we discussed with many doctors and nutritionists. And after that detailed discussion, we have come to a decision that keto flu is not contagious. Although that does not mean that you should cough here and there creating some nonsense. It means that if you are going through keto flu your family members can take care of you. And you can stay at home.

What is Keto Flu - 3 Basic Things You Must Know

Now, as we discussed a little bit of keto flu, let answer the most important question: Is keto flu dangerous? No, surely not. Keto flu is a very short term sickness and as soon as your body gets adopted to the change in your regular diet, you will recover from keto diet. In most of the cases, you won’t even require any medicine. We have discussed this in detail in How to cure keto flu.

People have also asked us: Is keto flu a good sign? In a sense, they are right. Because keto flu indicates the start of ketosis. So, getting a keto flu means your body have started to react to the changed situation and soon you will start seeing results.

We have got questions like: Can keto flu kill you? No, it is such a deadly issue. All that you need is a bit of awareness. If you feel serious level of discomfort then you can definitely call in a doctor. But to be true, until now none has faced such a miserable situation due to keto flu.

People who start the ketogenic diet or keto diet may experience nausea, vomiting, headaches and fatigue, these minor and short-term symptoms are a sign of what some call keto flu or keto induction. 

As you change the total food habit suddenly your body gets confused and it does not understand how to react to this changed scenario. This flu is the result of temporary imbalances in the body’s sources of energy, insulin, and minerals. Normally carbohydrates are the body’s main source of energy. The ketogenic diet promotes changing that routine since it is a diet plan with high-fat content and very few carbohydrates.

On the keto diet, a person reduces their carbohydrate intake to less than 50 grams (g) per day, compared to the recommended 200 to 300 g per day. And then you would have to fill the gap of this 250 g by fat and protein. But you have to keep in mind that you have to take good fat and protein.

As a result our body shows some symptoms and these symptoms altogether are known as keto flu.

What are the symptoms of keto flu?

To understand what is keto flu at first you have to know the symptoms of the keto flu. Most Common symptoms of keto flu are as follows:

  • Nausea
  • Vomiting
  • Headache
  • Fatigue
  • Dizziness
  • Insomnia
  • Difficulty tolerating exercise
  • Constipation

These symptoms are the main symptoms of keto flu. If some or all of these symptoms are present after starting a keto diet, you can be sure that you are going through a keto flu. For this type of general knowledge on ketogenic diet you can follow this guide: Keto Diet for Dummies. Or you can have the following guide as well:

You may also have some other symptoms caused by keto flu that peak between days 1 and 4 of the diet. These symptoms are not very common yet many people often face them.

  • Bad breath
  • Muscle cramps
  • Diarrhea
  • General weakness
  • Eruption

Keto rash which is another resultant due to keto flu can be a real irritation. Sometimes it creates such discomfort that it overwhelms all other problems. The itch and the rash are almost always symmetrical on both sides of the body. It most often develops on the chest, back, armpits, and sometimes the neck.

The symptoms are usually short-term, lasting between a few days or a few weeks. We are reconfirming you that keto flu is nothing serious and it is very natural if you are taking a ketogenic diet. However, proper knowledge and sense should be there while following a ketogenic lifestyle. For these we are recommending the following books for you so that you can understand the ketogenic diet well:

Don’t confuse keto flu with ketoacidosis (life-threatening)

According to the Harvard School of Public Health, excess ketone bodies can produce a dangerously toxic level of acid in the blood, called ketoacidosis. Diabetic Ketoacidosis or in short DKA is a life-threatening disease which is normally seen in type 1 diabetic patients. It is not very common in type 2 diabetic patients.

During ketoacidosis, the kidneys begin to excrete ketone bodies along with body water in the urine. And as we said earlier ketosis is not life-taking. But, ketoacidosis is not the same. In case you face any of the following symptoms, immediately consult a doctor and medical facilities.

Ketoacidosis occurs more often in people with type 1 diabetes because they don’t make insulin, a hormone that prevents the overproduction of ketones. In some rare cases, ketoacidosis also occurs in non-diabetic people who follow the keto diet for a long time.

Many people get confused and treat keto flu as ketoacidosis. But one thing, please keep in mind that ketoacidosis cannot happen at the very beginning of a keto diet. It is not related to ketogenic diet at all. Please try to understand what is keto diet, what is keto flu, what is ketosis and then you will be able to understand why ketoacidosis is different from what is keto flu.

What is Keto Flu - 3 Basic Things You Must Know

Do I need carbohydrates to get rid of keto flu?

People who experience the keto flu after following the keto diet sometimes start to believe that they are suffering from keto flu because of the diet they have and carbohydrates are good for health after all. However, this only shows how dependent you have been on carbohydrates, as your body is trying to survive without carbohydrates and sugary substances.

In reality, carbohydrate intake, and especially refined carbohydrates from processed foods, sugar, sugary foods, and beverages, is at epidemic levels, and carbohydrate addiction is on the rise in the United States and other parts of the world.

It’s not your fault, those carbs are everywhere, congratulate yourself for making changes for the better with a low carb diet! And starting anything new and good does not mean that it will be easy from the very first day and you can easily enjoy it. There will be some obstacles and keto flu is an obstacle in your keto journey. Nothing more than that. This type of obstacle will come and go. All you need is proper knowledge.

So, now you know what is keto flu and we hope after knowing this in detail you will get a bit of relief. Feel relaxed, you are not in any serious issue. You can continue your keto diet and lead a healthy life.

How long does keto flu last?

On an average, I saw keto flu to last 7 days or less. But again, it differs from man to man. In some extreme cases Keto flu can last up to a month.
For detailed information check: when does keto flu start and end.

What are the symptoms of keto flu?

Most Common symptoms of keto flu are as follows:
Difficulty tolerating exercise
Check out all the symptoms of keto flu.

How is keto flu treated?

Keto flu is basically treated according to the loss of electrolytes and symptoms. If you lose more sodium then you will get one type of treatment whereas for lose of potassium or magnesium it will be quite different. Check our full post on how to prevent keto flu for more details.

Is keto flu a sign of ketosis?

ketosis is the main goal of starting a ketogenic diet. You will not start losing weight until you reach ketosis. So many times we get different question like this.
And yes. Keto flu is a sign of ketosis. You will see the symptoms of keto flu when your body starts to get into ketosis. Check out our detailed post on what is ketosis for more information.

How do I stop keto flu?

how to end keto flu

The symptoms of keto flu will go away by itself within a week or two. But if you want to get rid of keto flu asap you can go thorough our post how to prevent keto flu.
Moreover, you can use best keto supplements of 2020 to stop keto flu. All these products are easily available in amazon.

Is keto flu dangerous?

No, absolutely not. Just keep in mind that it is a process that your body is going through. And it is common for all those starts a keto life.
This are symptoms that your body is changing its metabolic system and that is why you are facing some flu symptoms.
These symptoms will go away as soon as your body gets ready for the new metabolism.
Even though you can go for the best keto supplements available on amazon and reduce the impacts of keto flu.

How do I know I’m in ketosis?

symptoms of ketosis

There are several symptoms of ketosis. By them you will know that you are in ketosis. For more details check out our detiled post on symptoms of ketosis.

How can I get into ketosis in 24 hours?

Everyone who is following a keto diet want to get into ketosis. And often ask: how long does it take to get into ketosis.
And many of our reader often ask us: how to get into ketosis quickly. We have provided 8 tips for that as well.
But if you want to achieve this in only 24 hours then only tips cannot do the tricks. In that case we suggest you go through our top 10 best keto supplements of 2020 and try them. Those will definitely help you achieve your goal quick and easy.

What happens if you don’t eat enough fat on keto?

If you do not enough fat on keto you will severely fall sick and the symptoms of keto flu will grow very high. Please try to understand what is keto flu and then please eat enough fat. So that your body can shift its metabolism smooth and easy. If you do not eat enough fat then you will fall sick terribly.


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