Adulsa (Justicia adhatoda), also known as Malabar nut or vasaka, is a medicinal shrub valued in Ayurveda for its effectiveness in treating respiratory conditions such as cough, cold, asthma, and bronchitis. Its leaves are rich in alkaloids like vasicine, which help break down mucus, ease breathing, reduce inflammation, and provide antibacterial benefits. Traditionally used for centuries, Adulsa continues to hold an important place in natural medicine and is widely available in Ayurvedic syrups, powders, and formulations that soothe sore throats, relieve congestion, and support overall respiratory health. Modern studies are also exploring its broader therapeutic potential, further establishing Adulsa as a plant of both historical and scientific significance.
Last updated on : 11 Sep, 2025
Read time : 13 mins
Adulsa or Justicia adhatoda is an erect, evergreen shrub that grows in India and in many parts of Asia, flowering throughout the year. The plant is also called Malabar nut and Adhatoda vasica. The alkaloids vasicine and vasicinone in the plant’s leaves help ease breathing disorders and inflammation. It is referred to as Vasa or Vasaka as per Ayurveda and is widely used in an array of diseases ranging from respiratory to bleeding disorders. It bears large white flowers with purple tint resembling the mouth of a lion, which is why it is referred to as Simhasya (meaning lion's mouth) in Sanskrit.
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What is Adulsa? | Adulsa plant (Justicia adhatoda), is a flowering shrub used in traditional medicine, primarily for respiratory issues. |
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Common Use |
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Health benefits |
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How to use |
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Forms available | Syrup, Powder, Tablet, Capsule |
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Some of the alternative names for Adulsa (Justicia adhatoda) are:
These names are used in different regions and contexts to refer to the same plant.
Justicia adhatoda contains several critical natural compounds, including:
Adulsa is a medicinal herb widely used for its respiratory benefits. It helps alleviate cough, cold, asthma, and bronchitis through its expectorant and bronchodilator properties, enabling easier breathing by clearing mucus and reducing airway inflammation. The health benefits of Adulsa are described below:
Adulsa has long been valued in traditional medicine for its effectiveness in managing respiratory conditions such as cough, bronchitis, and asthma. The active compounds, particularly vasicine and vasicinone, help relax bronchial muscles and reduce inflammation, thereby easing breathing and clearing mucus.
A drink made from Adulsa leaves can soothe irritation in the throat, providing relief from persistent coughing. Its expectorant properties help clear mucus, allowing for easier breathing and reducing the urge to cough. This makes it a popular choice for sore throats or respiratory congestion patients.
The antibacterial test performed on the various leaves of the Adulsa plant reveals that it has some efficacy against dangerous bacteria, including Bacillus subtilis and Vibrio cholerae. This means that through consuming Adulsa, the body fights these pathogens within the body, which may positively impact the immune system. For this reason, it can be complementary to Western medicine when preventing and treating illness.
Various studies on the effects of Adulsa have also highlighted its anti-ulcer effect, which suggests that it can help lessen the occurrence of stomach ulcers and ease discomfort. It could also reduce dyspepsia’s signs, including swellings and indigestion, which is why it is a proper herb for gut health.
The actives l found in Adulsa is vasicine; it reduces inflammation, and this will help shrink the swollen parts of the body. And this leads to a reduction in the level of pain that one feels. This property makes it worthwhile where there is a problem with inflammation, for instance, in arthritis or the course of an injury, to enhance the healing process.
Studies show that elements inside Adulsa could affect blood glucose; hence, it may be suitable for diabetic issues. Adulsa can help the symptoms of metabolic syndrome and assist in increasing insulin sensitivity and regulating rises in blood sugar.
Several works suggest that adulsa can shield the heart and enhance its function. It may help maintain a healthy blood flow and prevent heart problems – a bonus to a healthy diet for the heart.
Adulsa has been researched concerning its usefulness as a means of selective destruction of certain forms of cancer cells and for the reduction of the adverse effects of radiation. These beneficial compounds in the adulsa plant may also establish a preventive layer over cells, defending against cancer invasion.
Readers of Adulsa could glean lessons on how to boost the efficacy of anti-TB medications for patients with this sickness. It may reduce inflammation and enhance the ciliary movement of the lungs besides fortifying the body’s immune defense hence, it might play an excellent role in treating TB.
The alkaloids present in adulsa, Vasicine and Vasicinone are believed to possess haemostatic and anti-haemorrhagic properties which may help reduce bleeding by promoting vasoconstriction, narrowing blood vessels to reduce blood flow to the area. This property can be employed as a supportive treatment in nasal bleeding, excessive uterine bleeding and bleeding piles.
Adulsa is widely used in traditional medicine for its applications, especially in everyday remedies for respiratory and inflammatory conditions. Here are some of its common uses:
Adulsa is widely used and thus efficient for managing respiratory illnesses. It is often applied as a remedy for coughs, colds, asthma, bronchitis, etc. Due to its ability to control inflammation, it positively impacts the situation where the airways become congested. A cup of tea from this herb may be soothing to sore throat and congestion, like a natural remedy for discomfort that can disrupt sleep when someone is sick.
This plant is credited with the ability to cleanse the blood and regulate blood pressure levels. Adulsa may help avoid the clotting of blood, which may be vital in improving the cardiovascular system. As a mild anticoagulant, it supports heart health by helping to manage irregular heart contractions.The benefits of its use include enhancement of the circulation systems of the body.
Its decoction is used to prepare a poultice, which can be pasted on the cuts or sores. Besides controlling bacterial and fungal contamination, this topical application shortens the healing time. The natural extracts help boost skin remodelling, fortify skin elasticity and tensile strength, and spearhead collagen manufacturing critical in wound healing.
Adulsa extract also has potent anti-inflammatory effects, reducing joint pain and inflammation. This makes it ideal for arthritis and gout, in which inflammation and pain cause limited movements. Therefore, taking Adulsa as a medicine lowers uric acid levels and operates as an anti-inflammatory drug to help ease chronic pain and make patients’ lives significantly better.
Adulsa might help reduce toxins in the body and improve the functioning of the kidney and urinary system. For this reason, it conducts waste products away from the body, something that is useful for people with diseases such as uremia. Being healthy for the kidneys will benefit the metabolic systems generally; thus, the benefits gained from Adulsa plant are helpful for the well-being of individuals.
The juice extracted from Adulsa is known for its antibacterial and antioxidant properties, which can promote better skin health. It helps combat various skin issues, including acne and infections, by reducing bacteria on the skin's surface. Its soothing properties can also alleviate irritation and redness, making it a valuable addition to natural skincare routines
Steps to use Adulsa powder:
Steps to use Adulsa decoction:
Steps to use Adulsa paste:
Steps to use Adulsa juice:
5. Capsules/Tablets/Syrup: For a more convenient option, Adulsa is also available in capsule, tablet and syrup form. You can take these as directed by your healthcare provider.
The following is the traditional Ayurveda dosage for Adulsa leaf juice, also known as Adusa Swarasa:
Adulsa is generally considered safe when taken in recommended amounts. It's important to talk to your doctor before using Adulsa, especially if you fall into any of these categories:
Adulsa is relatively safe, so it is prudent to consult a physician or healthcare worker, especially for sensitive individuals.
1. Historical Use: Adulsa has been used for many centuries in traditional systems of medicine, especially in Ayurvedic and Unani systems, to treat respiratory diseases and various ailments.
2. Common Names: Also recognisable as Malabar nut, Adhatoda vasica and many other regional names in India, it is indeed known as Adulsa worldwide.
3. Chemical Composition: The leaves bear numerous chemical constituents of therapeutic importance; these include the alkaloid vasicine, tannins, saponins, phenolics, flavonoids etc.
4. Respiratory Health: Adulsa is suitable for easing respiratory complaints such as coughs, asthma, and bronchitis. It is used to clear mucus in the airway and relieve inflammation in the general body.
5. Blood Purification: It was also said to clean the blood, help regulate blood pressure, and protect against blood clot formation, hence cardiovascular diseases.
6. Wound Healing: Adulsa leaves can be applied to the affected skin accordingly to ease minor injuries such as cuts and sores, hinder bacterial growth, and promote the regeneration of skin tissues.
7. Pain Relief: Due to its anti-inflammatory properties, Adulsa can soothe pain from arthritis or gout.
8. Kidney Health: Contributes to cleansing and rejuvenating the urinary system and kidney condition.
9. Skin Health: The juice from Adulsa has antibacterial and antioxidant properties, which makes it helpful in managing skin diseases that include acne, infected skin and skin-related infections.
10. Precautions: It’s recommended to consult a healthcare practitioner before taking Adulsa, especially if you’re pregnant, breastfeeding, a child, or have a chronic disease.
11. Usage Methods: Adulsa can be consumed in various forms, including powder, decoction (herbal tea), paste, juice, syrup and capsules.
12. Dosage Recommendations: The suggested classical Ayurvedic dosage is 20 ml for adults and 0.30 ml per kg for children, taken twice daily.
13. Safety: Adulsa is generally considered safe at recommended dosages, but it is always best to seek medical advice, particularly for vulnerable groups.
These takeaways emphasise the importance of Adulsa as a traditional medicinal plant and its potential in modern health care while highlighting the need for caution and professional guidance when using herbal remedies.
Adulsa remains a time-honoured herbal remedy with strong roots in traditional medicine, especially for treating respiratory issues like cough, asthma, and bronchitis. Its natural expectorant and anti-inflammatory properties make it a reliable choice for clearing mucus and soothing irritated airways. As modern research continues to explore its broader therapeutic potential, Adulsa holds promise in expanding its role in natural healing. Whether used in decoctions, syrups, or extracts, this versatile plant continues to offer effective, plant-based support for respiratory health and overall well-being.
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