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Rasakarpura
Rasakarpura (Rasakarpūra, Raskarpur) is a classical Ayurvedic Nirgandha Kupipakva mercurial preparation, a white sublimate of mercuric chloride (HgCl2) made from mercury, sulphuric acid, and rock salt, used for skin diseases and antimicrobial purposes but highly toxic.
Rasamanikya
Rasamanikya (रसमाणिक्य), also called Rasa Manikya, is an Ayurvedic arsenical formulation of purified Haratala (orpiment, As2S3), ruby-red in color, used for skin and respiratory disorders; animal and pilot human studies report safety at therapeutic doses.
Rasamrta
Rasamrta (रसामृत, Rasamritam): a 1951 Ayurvedic Rasashastra text by Vaidya Yadavji Trikamji Acharya, and a herbomineral Khalviya Rasayana formulation (Parada, Gandhaka, Triphala, Trikatu) used for Amlapitta.
Rasapuspa
Rasapuspa (Rasapuṣpa), an Ayurvedic mercurial preparation of mercurous chloride (Hg2Cl2, calomel), a Nirgandha Kupipakwa Rasayana first described in Rasatarangini, used for syphilitic wounds and skin disease.
Rasaraja Rasa
Rasaraja Rasa (रसराज रस), also Rasaraj Rasa, a classical Ayurvedic herbo-mineral rasa shastra formulation of purified mercury with gold, silver, iron, tin, and mica bhasmas; AFI Part I Vol. X; used for vata disorders such as hemiplegia and studied in post-stroke depression.
Rasaratnasamuccaya
Rasaratnasamuccaya (Rasaratna Samuccaya), a 13th-century Sanskrit treatise of Rasaśāstra by Vāgbhaṭa son of Siṃhagupta, synthesizing Indian alchemy and iatrochemistry: mercury processing, Shodhana, Marana, gems, and mineral therapies for about 68 ailments.
Rasasindura
Rasasindura Rasa (rasasindoor) is an Ayurvedic mercurial medicine of essentially pure α-HgS (mercuric sulfide, >99%), made from purified mercury and sulfur by Kupipakwa heating, first described in the 15th-century Rasendra Chintamani and studied for toxicity.
Rasasindura Rasa Parpati
Rasasindura Rasa Parpati: two related Ayurvedic mercury preparations of Rasashastra. Rasasindura is a red α-HgS nanopowder (84-89% mercury) taken with honey; Rasa Parpati is a thin flake of Kajjali (mercury-sulphur) used for Grahani. Both tested non-toxic at therapeutic doses in animals.
Rasatantrasara
Rasatantrasara (Rasatantrasara va Siddhaprayoga Sangraha), by Thakur Nathusingh Ji/Swami Krishnanda, is a modern two-part Rasashastra formulary published by Krishna Gopal Ayurveda Bhawan, Ajmer, in many editions, widely cited in Ayurvedic research and patents.
Rasatarangini
Rasatarangini (Rasataraṅgiṇī), a classical Sanskrit Rasashastra treatise attributed to Sadananda Sharma, covers mercurial and herbo-mineral Ayurvedic medicines, bhasma doses, purification, and toxicity management, and serves as a scheduled reference in modern Ayurvedic manufacturing and safety research.
Rasayana maha kalyanaka ghrta
Rasayana maha kalyanaka ghrta (Mahā kalyāṇaka ghṛta), a classical Ayurvedic medicated ghee from the Sushruta Samhita, listed in the Ayurvedic Formulary of India (AFI000105, 12 g dose) for memory impairment and studied in cognition trials.
Rasayana therapy
Rasayana therapy is an Ayurvedic rejuvenation treatment, one of Ayurveda's eight specialties, using herbal and dietary preparations to delay aging and improve memory, strength, and immunity.
Rasayogasagara
Rasayogasagara (रसयोगसागरः), meaning "ocean of rasa formulations," is a Sanskrit Ayurvedic formulary compiled by Vaidya Pandit Hariprapannaji that covers only mineral- and metal-based Rasaushadhi medicines.
Rasburicase
Rasburicase (Fasturtec, Elitek) is a recombinant urate oxidase that converts uric acid to allantoin, given intravenously at 0.2 mg/kg daily to treat and prevent tumor lysis syndrome; contraindicated in G6PD deficiency.
Rash
Rash (dermatitis, skin rash): an area of irritated or swollen skin with color, texture, or feeling changes, caused by contact dermatitis, infections, drugs, or systemic disease; diagnosed by morphology and treated with steroids and antihistamines.
Rash localised
Rash localized, ICD-11 code ME66.60, is a highly non-specific symptom code for a localized acquired visible change in the skin, used when no precise diagnosis can be made.
Rashid Buttar
Rashid Buttar (1966-2023) was an American osteopathic physician from North Carolina, Center for Advanced Medicine founder, chelation promoter, twice reprimanded by the NC Medical Board, and a CCDH 'Disinformation Dozen' member known for COVID-19 and anti-vaccine misinformation.
Rasmussen syndrome
Rasmussen syndrome (Rasmussen encephalitis) is a rare progressive inflammatory brain disease of one hemisphere, first described in 1958, causing drug-resistant focal seizures, hemiparesis, and cognitive decline, treated by immunotherapy and hemispheric disconnection.
Rasnadi kvatha curna (rasnadi kvatha cirna)
Rāsnādi kvātha cūrṇa (mahā), also Maharasnadi Kwath, is an Ayurvedic coarse-powder decoction formulation (AFI 4:28, Śārṅgadharasaṁhitā) led by Pluchea lanceolata, dosed at 48 g, used for vāta disorders such as hemiplegia and sciatica.
Rasnadi kvatha curna (rasnadikvatha curna)
Rāsnādi kvātha cūrṇa (rasnadikvatha curna), an Ayurvedic coarse-powder decoction formulation led by rasna (Pluchea lanceolata); mahā version from Śārṅgadharasaṃhitā, dose 48 g, used for vāta disorders including sciatica and hemiplegia.
Rasnadi Lepa
Rasnadi Lepa (Rāsnādi cūrṇa, rāsnādi lepa), also sold as Rasnadi Lepa Churna, is an Ayurvedic external paste from Sahasrayoga, listed in the AFI with about 21 ingredients, applied to forehead and scalp for headache (Shirah Shula).
Rasnairandadi kvatha curna (afi afi-rasnairandadikvatacurna)
Rāsnairanḍādi kvātha cūrṇa (rasnairandadi kvatha churna), an Ayurvedic Formulary of India coarse-powder decoction (AFI000412, 48 g dose) led by rasna and castor root, used for swelling of thighs.
Rasnasaptaka kvatha curna
Rasnasaptaka kvatha curna (Rāsnāsaptaka kvātha cūrṇa), a seven-herb Ayurvedic decoction powder led by rasna (Pluchea lanceolata), listed as AFI000554, used mainly for Amavata (rheumatoid arthritis) and painful Vata joint disorders.
Rasoddharatantra
Rasoddharatantra (Rasoddhara Tantra, Rasoddhāratantra; also Rasasaṃhitā), a Sanskrit Rasaśāstra treatise of Ayurvedic iatrochemistry with a Bhasma Pishti Prakarana chapter, cited in the Ayurvedic Formulary of India and modern pharmaceutical studies for Shweta Parpati, Jaharamohara Bhasma, and other formulations.
Rasottamadi Lepa Curna
Rasottamadi Lepa Cirna (Rasothamadi Lepam), an Ayurvedic external paste of purified mercury, sulphur, and spices, official in the API and AFI, used for eczema, scabies, and itching skin diseases.
Rat Park
Rat Park: Bruce Alexander's Simon Fraser University colony-housing experiments (1978-1981) showing socially housed rats drank less morphine than isolated caged rats; direct replication failed in 1996, conceptual replication is mixed but supportive.
Rat-bite fever
Rat-bite fever (RBF), including sodoku and Haverhill fever, is a bacterial zoonosis from Streptobacillus moniliformis or Spirillum minus, transmitted by rodent bites or contaminated food, causing fever, rash, and polyarthritis.
Rational emotive behavior therapy
Rational emotive behavior therapy (REBT), created by Albert Ellis in 1955, is the pioneering cognitive behavior therapy using the ABC model of activating events, irrational beliefs, and consequences, renamed REBT in 1993.
Ratnagiri rasa
Ratnagiri rasa is a herbo-mineral Ayurvedic formulation of the rasa shastra tradition, prescribed principally for fever, combining calcined mercury, sulfur, gold, mica, and other minerals with plant ingredients.
Rauch-Steindl syndrome
Rauch-Steindl syndrome, abbreviated RAUST, is an extremely rare autosomal dominant neurodevelopmental disorder caused by variants or deletions of the NSD2 gene, causing poor growth, distinct facial features, and developmental delay.