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Arabic Name : Ushar, Ashur
Bengali Name : Akand, Akone
Chinese Name : Niu jiao gua
English Name : Swallow-wort, Calotropis, Milkweed, Mudar, Madar Tree
French Name : arbre à soie, Mudar
German Name : Kronenblume, Madar-Strauch
Gujarati Name : Aakado, Akado, Akda, Myhara, Retoakah
Hindi Name : Akh, Ak, Madar, Safed Aak, Arkh
Kannada Name : Ekk, Ekkdagid, Ekkegid, Arkagid
Kashmiri Name : Aeka
Latin name : Calotropis gigantea R.Br.
Marathi Name : Ruvi, Aak
Persian Name : Zahar Nak, Kharaq, Zahook
Punjabi Name : Ak
Sanskrit Name : Arka, Alarka, Surya Patra, Mandara, Ravi, Bhanu, Tapana
Urdu Name : Aak, Madar
Recommended Dosage: Dried Flower : 125 mg to 375 mg powder; Leaf : 250 mg to 750 mg powder; Root Bark : 250 mg to 1 g powder.
Contraindication: The root is contraindicated during pregnancy. Higher doses may cause vomiting, diarrhoea, bradycardia and convulsions.
The dried root bark has abortifacient, alterative, anthelmintic, antiinflammatory, antispasmodic, bitter, depurative, digestive, emetic, expectorant, febrifuge, laxative, stomachic and tonic properties that relieves strangury, cures ulcers and acts as an expectorant. It is also used in enlargement of spleen, asthma and dysentery. Calotropin, extracted from the roots, has been found to be effective in fertility control as it inhibited the motility of sperms. Its leaves are used to relieve stomach pain and used in oedema and enlargement of the abdominal viscera. The flowers are anthelmintic, appetiser, astringent, bitter, digestive, stomachic and tonic, that cure piles, asthma, loss of appetite and wounds and are useful in cholera.
Externally it is useful in rheumatism, paralysis and gout.