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The anti-inflammatory and antipyretic activities, as well as the acute toxicity of Azadirachta indica (Neem tree) extract were studied. It was found to have a pronounced anti-inflammatory (rat paw oedema) and a fairly good antipyretic effect (pyrogen induced hyperpyrexia in rabbits) . The acute oral toxicity test in mice showed a very low range of approximately 13 g/kg body weight.
Okpanyi et al. (Thu,) studied this question.