Dalam pengobatan tradisional, tumpangan air dikenal sebagai bagian dalam pengobatan [[sakit perut]], bengkak, jerawat, kolik, pegal-pegal, sakit kepala, gangguan kemih, dan sakit sendi karena reumatik.<ref>Khan MR, Omoloso AD . Antibacterial activity of Hygrophila stricta and Peperomia pellucida . Fitoterapia . 2002;73:251-254.</ref><ref>Aziba PI, Adedeji A, Ekor M, Adeyemi O . Analgesic activity of Peperomia pellucida aerial parts in mice . Fitoterapia . 2001;72:57-58.</ref>.
<!-- In [[Bolivia]], [[Alteños]] Indians use the whole plant to stop hemorrhages. The roots are used to treat fevers and the aerial parts are used as dressing for wounds.<ref>Muñoz V, Sauvain M, Bourdy G, et al. A search for natural bioactive compounds in Bolivia through a multidisciplinary approach: Part III. Evaluation of the antimalarial activity of plants used by Alteños Indians . J Ethnopharmacol . 2000;71:123-131.
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In northeastern [[Brasil]], the plant has been used to lower cholesterol.<ref>Bayma JD, Arruda MS, Müller AH, Arruda AC, Canto WC . A dimeric ArC 2 compound from Peperomia pellucida . Phytochemistry . 2000;55:779-782.</ref>
In [[Guyana]] and the [[Amazon Basin|Amazon]] region, it is a popular cough suppressant, emollient, and diuretic. It is also used to treat [[proteinuria]].<ref>Arrigoni-Blank Mde F, Oliveira RL, Mendes SS, et al. Seed germination, phenology, and antiedematogenic activity of Peperomia pellucida (L.) H. B. K. BMC Pharmacol . 2002;2:12-19.</ref><ref>de Fatima Arrigoni-Blank M, Dmitrieva EG, Franzotti EM, Antoniolli AR, Andrade MR, Marchioro M . Anti-inflammatory and analgesic activity of Peperomia pellucida (L.) HBK (Piperaceae) . J Ethnopharmacol. 2004;91:215-218.</ref> -->
Di [[Asia Tenggara]], seduhan tumbuhan ini dipakai untuk mengurangi asam urat dan mengobati gangguan kemih. Ia juga digunakan sebagai pembalur untuk jerawat.
<!-- == Common names ==
Throughout the Americas, it is known as ''pepper elder, silverbush, rat-ear, man-to-man, clearweed'' (North America); ''konsaka wiwiri'' (Guianas); ''coraçãozinho'' or "little heart" (Brazil); ''lingua de sapo, herva-de-vidro, herva-de-jaboti or herva-de-jabuti'' (South America).
In Oceania, it is called ''rtertiil'' ([[Belauan]]); ''podpod-lahe'' or ''potpopot'' ([[Chamorro language|Chamorro]]).
In the different dialects of the Philippines, it is called ''pansit-pansitan'' or ''ulasimang-bato'' (Tagalog), ''olasiman ihalas'' (Bisaya), ''sinaw-sinaw'' or ''tangon-tangon'' (Bikol), and ''lin-linnaaw'' (Ilocano).
In other parts of Asia, it is known as ''càng cua'' (Vietnam); ''pak krasang'' (Thailand); ''suna kosho'' (Japan); ''rangu-rangu, ketumpangan'' or ''tumpang angin'' (Bahasa/Malay).
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==Galeri ==
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