Who should not follow keto diet?

Who should not follow keto diet?

Before one introduces a change in his eating habits, he should study the pros and cons of the change. There are safety issues one needs to consider as health is wealth and once lost or damaged is very difficult to regain. This article explains who should not follow keto diet, what effects one should be aware of before opting keto diet, etc.

Pregnant women

Prolonged ketosis (liver producing ketones during low carb and high fat situations) affects the brain development of the baby. It creates the risk of spina bifida – defective neural tubes

Breast feeding women

As keto diet recently emerged, there is still research going on about the effects of keto diet on breast feeding women. Therefore it is recommended to maintain a good high carb diet rather than following a low carb diet.

Hypo – causing medications

The medicines like insulin, glinides are consumed to increase the insulin level in the body. The purpose of these medicines is to reduce the sugar level in the blood. Therefore, when one follows a keto diet, which intends to reduce the blood sugar level along with the medications, they might end up facing critically low sugar levels in the blood which can be dangerous. Low blood sugar levels can lead to lowering of blood pressure, giddiness which can even stop the pumping of the heart.

Over Enthusiasts

One should never become ketogenic immediately. There are a few self precautionary questions to ask

  • Is he a brand new low carb taker?
  • Is he already doing low carb diet? If yes, what should be done to improvise it and slowly make him used to keto diet?
  • What is the person’s current carbohydrate intake level?

Out of all the tests and self analysis, one should determine his current carb consumption. If the person is not sure about his carbohydrates intake, he should use a food tracker and check on his current carb intake.

If the carb intake is 40g, one needs to slowly move into keto diet. May be he can reduce the level by 1 gram in 2 to 3 days time. If his intake is 80 grams then he definitely has to wait patiently for weeks to gradually reduce the carb intake. In due course, he has to add healthy fats. One can visit KetoSumo to learn the recipes available in different restaurants that provide special keto diet to increase the fat and reduce carbs


Keto diet is absolutely good for diabetic patients. However, they cannot follow keto diet like other healthy people. Every diabetic patient should have doctor’s approval before taking up the keto challenge! This is because one has to take the medications according to his diet. Or change his keto diet according to the medications. The recipes for diabetic patients willing to take keto diet can be found in KetoSumo website. If not, he might become hypoglycaemic (low blood sugar).

Keto diet is not recommended for

  • People with eating disorder. Eating disorder is a range of disorders that are characterised by abnormal eating habits. This often is connected with emotions and thoughts. They are in high stress and distress
  • People who are under weight. Underweight people have a Body Mass Index less than 18.5 or their weight is 15 – 20 % less than their normal age and height group. Body Mass Index is body mass divided by square of the body height.
  • People who are recovering from surgery. While recovering from surgery, the body cells should have sufficient energy and all nutrients to heal the wounds. The White Blood Corpuscles that fight against the infections should be sufficient in number. The WBCs are present in the blood and their count increases only when there is enough sugar or glucose in the blood
  • The Keto diet should be stopped immediately when a person falls sick; it can be cold, fever or even cough. This is because the body should gain enough resistance power to fight against the viruses causing the illness
  • People with serious mental health problems. This is because the ultimate aim of the ketogenic diet is to provide enough energy to the brain. This will keep the entire system active. Brain works only on carbs or ketone. So the carbs are cut down to reduce the fats in the body and give full energy to the brain. Therefore people on psychiatric medications should consult a doctor.

Persons with decreased kidney function

The persons with decreased kidney function would already have improper nutrition levels in their blood. This is because kidney fails to filter the blood properly and segregate the impurities out of the body. Such patients will have high blood urea level and reduced protein. When they fail to take a proper diet rich in carbs, fats proteins and all other nutrients, it might worsen their urea level in the blood. Also, their medicines to reduce the urea in the blood level might not function if there is no enough sugar level in the blood stream.

Persons with chronic respiratory disorders

This is because the medications given to them are to balance the imbalanced oxygen and carbon dioxide levels due to respiratory problems. If there is no enough blood sugar to help in absorbing these medicines, they might not work.

With these precautions, one should also have lots of electrolytes. This is to push lots of sodium into the body. Sea salt or Celtic sea salt is also recommended. This is because body loses a lot of water and sodium on a ketogenic diet.


Pregnant women, breast feeding women, children under the age of 18 years, kidney patients, persons with chronic respiratory disorders, mental disorder should avoid keto diet.

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