Java Tea: Uses, Side Effects, Precautions, and Dosing

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Java Tea: Uses, Side Effects, Precautions, and Dosages

Java tea, also known as Orthosiphon stamineus, is a plant belonging to the mint family. It is widely cultivated in Southeast Asia and has been traditionally used in various cultures for its medicinal properties. The leaves and stems of the Java tea plant contain several active compounds, including flavonoids, terpenoids, and essential oils, which are believed to contribute to its purported health benefits.

Uses of Java Tea

Java tea has been used for centuries to treat a wide range of ailments, including:

  • Urinary tract infections (UTIs): Java tea is commonly used to prevent and treat UTIs. It is thought to exert a diuretic effect, increasing urine flow and helping to flush out bacteria from the urinary tract.
  • Kidney stones: Java tea may help prevent the formation of kidney stones by inhibiting the crystallization of calcium oxalate, a common component of kidney stones.
  • Gout: Java tea has been traditionally used to relieve gout symptoms, such as pain and inflammation. It is believed to have anti-inflammatory properties and may help reduce uric acid levels.
  • Diabetes: Some studies suggest that Java tea may help lower blood glucose levels and improve insulin resistance, making it potentially beneficial for people with diabetes.
  • Weight loss: Java tea is sometimes promoted as a weight loss aid due to its diuretic effects, although there is limited scientific evidence to support this claim.
  • Skin health: Java tea contains antioxidants that may help protect the skin from damage caused by free radicals, potentially improving skin health and reducing the appearance of wrinkles.

Side Effects of Java Tea

Java tea is generally considered safe for most people when consumed in moderation. However, as with any herbal supplement, there are potential side effects to consider:

  • Diuretic effects: Java tea can increase urine flow, which may lead to dehydration if excessive amounts are consumed. It is important to stay well-hydrated when taking Java tea.
  • Stomach upset: Java tea may cause digestive issues, such as nausea, vomiting, or diarrhea in some people.
  • Allergies: Some people may be allergic to Java tea or other plants in the mint family. If you experience an allergic reaction, discontinue use and seek medical attention.
  • Interactions with medications: Java tea may interact with certain medications, including diuretics and blood thinners. It is essential to consult with your healthcare provider before taking Java tea if you are on any medications.


Certain precautions should be taken when using Java tea:

  • Pregnancy and breastfeeding: Java tea is not recommended for pregnant or breastfeeding women due to a lack of safety data.
  • Kidney disease: People with kidney disease should avoid Java tea, as it may worsen their condition.
  • Heart disease: Java tea may have a diuretic effect, which can be harmful to people with heart disease.
  • Surgery: Java tea may interfere with anesthesia, so it is recommended to stop taking it at least two weeks before scheduled surgery.


The appropriate dosage of Java tea varies depending on the specific use and the form in which it is taken.

  • Tea: 1-2 cups of Java tea per day, prepared by steeping 1-2 teaspoons of dried leaves in hot water for 5-10 minutes.
  • Capsules or tablets: 400-600 mg standardized extract, taken one to three times per day.
  • Tincture: 1-2 ml of a 1:5 tincture, taken three times per day.

It is important to adhere to the recommended dosages and consult with a qualified healthcare professional before taking Java tea, especially if you have any underlying health conditions or are taking medications.


Java tea is a traditional herbal remedy with various purported health benefits, including the treatment of UTIs, kidney stones, gout, and diabetes. While it is generally considered safe for most people when consumed in moderation, it is essential to be aware of potential side effects and precautions. Consult with your healthcare provider before using Java tea, especially if you have any health conditions, are pregnant or breastfeeding, or are taking medications.

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