Her BP normalised and antihypertensive medications were weaned off. Renin and aldosterone were not measured. However, given her history and biochemistry, the cause of hypertension is likely secondary to liquorice ingestion. Liquorice consumption is an unusual but well-reported cause of secondary hypertension. Excessive consumption of liquorice can cause hypertension and hypokalaemia, which may lead to cardiac arrhythmias and myopathy. The lowest observed dose resulting in adverse effects is mg of GA daily.
Hence, using a safety factor of 10, a daily intake of 10 mg GA per person is regarded as an acceptable safe dose. This case demonstrates a rare cause of hypertension and highlights the importance of taking a detailed history to avoid unnecessary investigations and treatment.
Browse other volumes. While the bulk of research has been limited to the animal or test tube studies, some of it has been promising. When used in combination with other herbs, licorice root may help ease the pain of functional dyspepsia FD , a chronic disorder marked by upper abdominal discomfort. Licorice root is a mainstay home remedy for women with menstrual cramps and is also believed to help alleviate many of the adverse symptoms of menopause, including hot flashes.
Licorice contains phytoestrogens , plant-based compounds that mimic the effects of estrogen in the body. Despite evidence of their benefits, it is still unclear how well the phytoestrogens in licorice root work, if at all.
A study involving women with hot flashes reported that a daily, milligram dose of licorice root provided only modest relief in the frequency and severity of hot flashes compared to the placebo group. Once the treatment was stopped, both groups experienced a rebound of menopausal symptoms.
Licorice's role in treating peptic ulcer disease has gained increasing interest in the scientific community, specifically in regards to its effect on a bacteria known as Helicobacter pylori H. A study in the Brazilian Journal of Infectious Diseases reported that licorice root added to standard triple antibiotic therapy increased H. Licorice root also appears to exert antimicrobial properties that may also treat certain fungal infections like Candida albicans and other hard-to-treat bacterial infections like Staphylococcus aureus, Bacillus subtilis, and Enterococcus faecalis.
When taken as a supplement or tea, licorice root is considered safe and well tolerated in adults. Licorice root supplements are only intended for short-term use. Consuming licorice daily for several weeks or longer can cause severe and potentially life-threatening side effects. However, some side effects can occur if licorice root is taken in large quantities, and is likely the result of the excessive accumulation of glycyrrhizinic acid, which triggers an abnormal increase in the stress hormone cortisol.
Extreme cases can lead to licorice poisoning and the development of kidney failure , paralysis, congestive heart failure , and pulmonary edema. Research shows that licorice root consumption during pregnancy or breastfeeding leads to adverse neurological effects in children later in life.
As such, it should not be consumed by children, pregnant women, or nursing mothers. Licorice can interact with a number of medications, either by reducing their efficacy and making them less potent or increasing their efficacy and worsening their side effects. These include:. To avoid interactions, advise your healthcare provider if you are taking licorice root or any other natural or herbal supplement.
Licorice root products including chewable tablets, capsules, extracts, teas, lozenges, tinctures, and powders are available in most health food stores.
While there are no universal guidelines directing the appropriate use of licorice root, doses of up to 5 to 15 grams a day are considered safe for short-term use.
As a general rule, you should never exceed the recommended dosage on the product label or take a licorice supplement for longer than three to six weeks.
In addition to dietary supplements, dried licorice root can be purchased online or through a traditional Chinese medicine distributor. Whole licorice root is difficult to use given that you are less able to control the dose.
Shaved root, by contrast, can easily be made into tea by steeping a tablespoon of the shavings in a cup of boiling water. Licorice teabags can be also found at most groceries store, some of which are mixed with black, green, or rooibos tea. For best results, speak with your healthcare provider before using any licorice root product, especially if you have a health condition.
Licorice root is classified as a dietary supplement by the U. As such, it is not required to undergo the rigorous testing that pharmaceutical drugs do and can vary in quality from one brand to the next. To ensure the utmost quality and safety, only purchased brands certified by an independent body such as the U.
Moreover, only purchase supplements that specify the amount of glycyrrhizin on the product. If buying dried licorice root, choose those that have been certified organic whenever possible. Binging on licorice candy occasionally will likely cause you nothing more than an upset stomach and heartburn. The same may not be true if you consume licorice habitually.
In , the FDA issued an advisement , warning consumers that adults over 40 who eat 2 ounces of natural black licorice per day for at least two weeks could end up in the hospital with cardiac arrhythmia and other serious symptoms. As a rule, keep your consumption of licorice candy to a minimum. If you eat large amounts and start to feel your heart beating wildly or your muscles going weak, call your healthcare provider immediately. With that being said, not all licorice candy is made with licorice.
Many modern brands are "licorice-flavored" and are made with anise-based flavorings that do not contain any glycyrrhizin. Read more about the benefits of the dandelion root. The amounts of licorice root in different products can vary, so it's difficult to say an exact amount that's unsafe. In general, eating large amounts or consuming it over an extended period of time can cause serious health issues like increased blood pressure and decreased potassium levels.
Can eating too much black liquorice be bad for you? General health advice about black liquorice No matter how old you are, you should avoid eating large amounts of black liquorice over a short space of time. Black liquorice can interact with some medications, herbs and dietary supplements. Further information Why should I change my diet after a heart attack?
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