Antitubercular activity of garlic (allium sativum) extract on combination with conventional antitubercular drugs in tubercular lymphadenitis
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AbstractBased on our demonstration earlier that ethanol extract, water extract and a compound purified from garlic possessedin vitro antitubercular activity against drug resistant and susceptibleMycobacterium tuberculosis, we tried the effect of garlic extract in 30 patients of tubercular lymphadenitis. For ethical considerations, two groups of patients, 30 each, were given antitubercular therapy (ATT) consisting of isoniazid, rifampicin, ethambutol and pyrazinamide for 30 days. For the next 15 days (31 to 45 days) group 1 patients received 3–6 garlic pearls per day in addition to ATT while group 2 patients received ATT only. From 46th day onwards both the groups received ATT only for 6–8 months. Antitubercular activity of the serum samples collected on 45th day was assessed by its effect on the growth ofM. tuberculois. The serum of group 1 patients showed significantly much higher antitubercular activity than that of group 2 patients. Further, there was relief of dyspeptic symptoms caused by ATT therapy in patients of group 1 with garlic plus ATT therapy but no change in group 2 patients with ATT only. Liver function and hematological tests were normal in both the groups after 6 months of therapy. Garlic extracts or compounds have a good potential as antitubercular(s) drug if given as a supplement to ATT.