alexa Antipyretic, analgesic and anti-inflammatory activity of Viola betonicifolia whole plant.
Orthopaedics

Orthopaedics

Orthopedic & Muscular System: Current Research

Author(s): Muhammad N, Saeed M, Khan H

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Abstract BACKGROUND: Pyrexia, algesia and inflammation are associated with several pathological conditions. Synthetic drugs available for the treatment of these conditions cause multiple unwanted effects. Several studies are ongoing worldwide to find natural healing agents with better safety profile. The current study was thus aimed at evaluating antipyretic, analgesic and anti-inflammatory activities of the methanolic extract of whole plant of V. betonicifolia (VBME). METHODS: VBME was employed to assess antipyretic activity in yeast induced hyperthermia. Analgesic profile was ascertained in acetic acid induced writhing, hot plat and tail immersion test. Nevertheless, the anti-inflammatory activity was tested in carrageenan induced paw edema and histamine induced inflammatory tests. BALB/c mice were used at test doses of 100, 200 and 300 mg/kg body weight intra peritoneally (i.p). RESULTS: In yeast induced pyrexia, VBME demonstrated dose dependently (78.23\%) protection at 300 mg/kg, similar to standard drug, paracetamol (90\%) at 150 mg/kg i.p. VBME showed a dose dependent analgesia in various pain models i.e. acetic acid, hot plat and tail immersion having 78.90\%, 69.96\% and 68.58\% protection respectively at 300 mg/kg. However, the analgesic action of VBME was completely antagonized by the injection of naloxone like opiate antagonists. Similarly carrageenan and histamine induces inflammation was significantly antagonized by VBME, 66.30\% and 60.80\% respectively at 300 mg/kg. CONCLUSIONS: It is concluded that VBME has marked antipyretic, analgesic and anti-inflammatory activities in various animal models and this strongly supports the ethnopharmacological uses of Viola betonicifolia as antipyretic, analgesic and anti-inflammatory plant.
This article was published in BMC Complement Altern Med and referenced in Orthopedic & Muscular System: Current Research

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