Side effects

what are the side effects of ginger

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Today, we are going to see the side effects of ginger and who should never use it.

Ginger side effects and who should never use it


Ginger has been used for over 5000 years for cooking and also as a remedy in many Asian countries due to its powerful properties. It is currently one of the most widely used plants around the world.

But can such a potent plant have any side effects? The answer is yes, in fact herbalists advise not to take more than 4 grams of it in a single day.

If taken in large amounts, can cause heartburn, gas, bloating, nausea, or upset stomach because it enhances the action of warfarin through heterogeneous mechanisms.

It may increase the risk of bleeding or possibly potentiate the effects of warfarin therapy, especially when taken as a powder.

Who should never use ginger

1. People with ulcers or inflammation

Unchewed fresh ginger can cause intestinal obstruction, and people who have had ulcers, inflammatory bowel disease, or blocked intestines may react badly to large amounts of fresh ginger.

2. People with gallstones

Ginger can negatively affect individuals suffering from gallstones and it is therefore contraindicated in this case as it promotes bile production.


3. People with bleeding disorders

It stimulates circulation and increases blood flow while preventing blood clots. It could increase your risk of bleeding, especially if you have a bleeding disorder or if you are taking medicines that slow blood clotting.

4. Pregnant women

Pregnant women should also be careful because ginger can cause uterine contractions.

It has also been shown to interfere with the absorption of dietary iron and fat soluble vitamins.

It is recommended that you consult an herbalist or naturopath before using it as a supplement or in your diet.

Drinking ginger tea is especially not recommended in the last weeks of pregnancy due to the increased risk of bleeding.

5. Before an operation

According to an article published in “Der Anaesthesist” in 2019, consuming ginger before surgery is also a risk because of the risk of bleeding. If you are due to have surgery, you should avoid drinking it tea within the previous two weeks.


6. Reaction to certain medications

If you are taking medication, seek the advice of your therapist as this may interfere with some medications.

It should also not be consumed by people taking blood thinners, barbiturates, beta blockers, insulin, or those taking antiplatelet therapy.


According to MedlinePlus, a department of the National Institute on Health, it can interact with many other drugs like antacids that can be affected by ginger, by stimulating the production of stomach acid.

Ginger may also interact with other heart medications, antihistamines, cancer treatments, and weight loss medications.

6. Interactions with certain plants

Ginger can also interact with plants that stimulate blood circulation and slow blood clotting like cloves, garlic, ginkgo biloba, ginseng, turmeric, angelica. Combining ginger with these herbs could increase the risk of bleeding.

7. Moderate appetite

A pilot study published in “Metabolism: An Experimental Clinical Study” in 2019, found that ginger reduces appetite and improves feelings of fullness in overweight people.

Researchers in the study believe that ginger’s ability to regulate and modulate levels of the hormone serotonin plays a role in moderating appetite.

Because this is a pilot study, however, more research is needed to validate these results. If you are trying to gain weight, you should know that drinking ginger tea can potentially reduce your appetite.

8. Diabetes – high blood pressure

Avoid taking ginger tea and medicines to thin the blood, such as warfarin or aspirin at the same time.

Ginger can lower blood sugar and blood pressure, so if you are taking medicine for diabetes or high blood pressure, talk to your doctor, as you may not need as much medicine if you are also take ginger tea regularly.


Many of these side effects can be avoided by taking ginger supplements in capsules, such as enteric-coated capsules, which delay digestion of the plant by the body until it enters the digestive tract.

But ginger, if consumed in reasonable amounts, has few bad side effects and is on the FDA’s “Generally Accepted As Safe” food list.

There have been cases where herbal supplements have been sold that are contaminated with toxic metals or other drugs.

Also, herbal supplements should be purchased from a reliable source to minimize the risk of contamination.


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