We report the first case of an anaphylactic reaction to Reandron 1000 (depot testosterone undecanoate with a castor oil and benzyl benzoate vehicle). While considered to have a favourable safety profile. serious complications such as oil embolism and anaphylaxis can occur. In our patient. https://www.parisnaturalfoodes.shop/product-category/treemenda-tea-tree-oil/