TylophoraTylophora indica, Tylophora asthmatica
Tylophora indica is a climbing perennial plant indigenous to India, where it grows wild in the southern and eastern regions and has a long-standing reputation as a remedy for asthma (hence the name, T. asthmatica ).
The leaves and roots of tylophora have been included in the Bengal Pharmacopoeia since 1884. It is said to have laxative, expectorant, diaphoretic (sweating), and purgative (vomiting) properties. It has been used for the treatment of various respiratory problems besides asthma, including allergies, bronchitis and colds, as well as dysentery and oseteoarthritis pain.
What Is Tylophora Used for Today?
Tylophora has become an increasingly popular treatment for asthma<![CDATA]> , based on its traditional use for this purpose, and several studies performed in the 1970s. However, the studies that found it effective were poorly designed, and a better designed study found no benefits.
Tylophora is also still recommended for some of its other traditional uses, including
What Is the Scientific Evidence for Tylophora?
Weak preliminary evidence hints that tylophora might have anti-inflammatory, antiallergic, and antispasmodic actions.
All these effects could make it useful for the treatment of asthma. However, only
In 1972, researchers reported the results of a a double-blind placebo-controlled crossover trial of 195 individuals with asthma who were given either placebo or 40 mg of a tylophora alcohol extract daily for 6 days.
Even the researchers involved in these trials expressed surprise that short term use of tylophora could produce long lasting benefits; to outside observers, such findings make the results difficult to believe at all. Furthermore, most of these studies suffered from poor design and reporting. In 1979, researchers published the results of a double-blind study designed to remedy these problems.
The bottom line: Better studies that show benefit will be necessary to before tylophora can be considered a promising herb for asthma.
The typical dosage of tylophora leaf in dried or capsule form is 200 mg twice daily or 400 mg total in 2 doses.
In the second study mentioned above, tylophora caused nausea, vomiting, mouth soreness, and alterations in taste sensation in more than half of the participants. The other two studies found similar side effects, but far less frequently. The difference may have been because the second study had people chew the whole leaves from the plant, whereas other studies have used dried leaves or powdered extract in capsule form.
Preliminary studies on animals have found tylophora extracts to be toxic only in extremely high doses; these extracts were apparently safe in the far smaller doses needed to produce a therapeutic effect. 17<![CDATA]>
Due to the lack of comprehensive safety studies on tylophora, the herb should not be used by children, pregnant or nursing women, or individuals with severe kidney or liver disease. Whether tylophora interacts with any drugs is unknown.
1. Gore KV, Rao K, Guruswamy MN. Physiological studies with Tylophora asthmatica in bronchial asthma. Indian J Med Res. 1980;71:144–148.
2. Gupta S, George P, Gupta V, et al. Tylophora indica in bronchial asthma—a double blind study. Indian J Med Res . 1979;69:981–989.
3. Haranath PS, Shyamalakumari S. Experimental study on mode of action of Tylophora asthmatica in bronchial asthma. Indian J Med Res. 1975;63:661–670.
4. Shrivpuri DN, Menon MP, Prakash D. A crossover double-blind study on Tylophora indica in the treatment of asthma and allergic rhinitis. J Allergy . 1969;43:145–150.
5. Srivpuri DN, Singhal SC, Parkash D. Treatment of asthma with an alcoholic extract of Tylophora indica : a cross-over, double-blind study. Ann Allergy. 1972;30:407–412.
6. Thiruvengadam KV, Haranath K, Sudarsan S, et al. Tylophora indica in bronchial asthma (a controlled comparison with a standard anti-asthmatic drug). J Indian Med Assoc . 1978;71:172–176.
7. Udupa AL, Udupa SL, Guruswamy MN. The possible site of anti-asthmatic action of Tylophora asthmatica on pituitary-adrenal axis in albino rats. Planta Med . 1991;57:409–413.
8. Bielory L, Lupoli K. Herbal interventions in asthma and allergy. J Asthma. 1999;36:1–65.
9. Gopalakrishnan C, Shankaranarayanan D, Nazimudeen SK, et al. Effect of tylophorine, a major alkaloid of Tylophora indica, on immunopathological and inflammatory reactions. Indian J Med Res. 1980;71:940–948.
10. Udupa AL, Udupa SL, Guruswamy MN. The possible site of anti-asthmatic action of Tylophora asthmatica on pituitary-adrenal axis in albino rats. Planta Med . 1991;57:409–413.
11. Nandi M. Physical, chemical and biological assay of Tylophora indica mother tincture–a comparative study. Br Homeopath J . 1999;88:161–165.
12. Wagner H. Search for new plant constituents with potential antiphlogistic and antiallergic activity. Planta Med. 1989;55:235–241.
13. Shivpuri DN, Singhal SC, Parkash D. Treatment of asthma with an alcoholic extract of Tylophora indica : a crossover, double-blind study. Ann Allergy . 1972;30:407–412.
14. Shivpuri DN, Menon MP, Prakash D. A crossover double-blind study on Tylophora indica in the treatment of asthma and allergic rhinitis. J Allergy. 1969;43:145–150.
15. Mathew KK, Shivpuri DN. Treatment of asthma with alkaloids of Tylophora indica: a double-blind study. Aspects Allergy Appl Immunol . 1974;7:166–179.
16. Gupta S, George P, Gupta V, et al. Tylophora indica in bronchial asthma—a double-blind study. Indian J Med Res . 1979;69:981–989.
17. Dikshith TS, Raizada RB, Mulchandani NB. Toxicity of pure alkaloid of Tylophora asthamatica in male rat. Indian J Exp Biol. 1990;28:208–212.
Last reviewed April 2009 by EBSCO CAM Review Board<![CDATA]>
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