Clinical study on the effect of decoction of Pavetta indica Linn. in treatment of Purishaja Krimi with special reference to Enterobius vermicularis infestation
Authors
E Ediriweera
Professor, Department of Nidana Chikithsa, Institute of Indigenous Medicine, University of Colombo, Rajagiriya, Sri Lanka
R Rajapaksha
Professor, Department of Pathobiology, Faculty of Veterinary Medicine and Animal Science, University of Peradeniya, Sri Lanka
R Rathnayaka
Medical Officer, Department of Ayurveda, Sri Lanka
W Premakeerthi
Medical Officer, Department of Ayurveda, Sri Lanka
S Premathilaka
Medical Officer, Department of Ayurveda, Sri Lanka
Pavetta indica Linn. (Family: Rubiaceae; Sanskrit name: Papata) is 2-5 m tall, shrub or small tree with opposite branches and grows in the Asia - Pacific region including Sri Lanka. Purishaja Krimi is one of the worm infestations described in Ayurveda. Enterobius vermicularis is among the most common of worms affecting children and adults. E. vermicularis is considered as one type of Purishaja Krimi. Sri Lankan traditional and ayurvedic physicians use P. indica to treat different ailments including Purishaja Krimi (E. vermicularis) infestations successfully. Since no scientific studies have been undertaken to study these effects so far, the present clinical study was carried out to evaluate the effect of P. indica in treatment of E. vermicularis infestation. Fifty patients between age of 5 and 12 years (Group A and B) and 50 patients between 13 and 65 years (Group C and D) with symptoms of E. vermicularis infestations such as itching in the anal region, impaired appetite, abdominal pain, eructation, diarrhea or constipation and presence of ova in stools were selected. Two decoction of the trail drug with different concentration was prepared. Group A and Group B were treated with 60 ml of decoction 1 and 60 ml of placebo respectively, twice daily for 14 days. Group C and Group D were treated with 120 ml of decoction 2 and 120 ml of placebo respectively, twice daily for 14 days. Groups A and C showed complete or partial reduction of symptoms, that is; itching in the anal region, impaired appetite, abdominal pain, eructation, diarrhea and also ova of E. vermicularis were absent in stools after treatment with P. indica. Decoction of P. indica can be recommended as an effective treatment for Purishaja Krimi (E. vermicularis infestation).
Keywords: Enterobius vermicularis, Pavetta indica, Purishaja Krimi, thread worm
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