PROBLEM TO BE SOLVED: To provide a double-ended needle capable of preventing leakage of a drug in a drug container to be dissolved when communicating a drug container to be dissolved with a drug container such as a vial, and a drug container having the same. A double-ended needle according to the present invention is a double-ended needle for communicating a drug container to be dissolved with a drug container, the first needle part being opposite to an axial direction of the first needle part. At least one second needle portion extending, a first passage axially penetrating the first needle portion, a second passage axially penetrating the second needle portion, the first passage and the second passage. A communication passage that is arranged between the first passage and the second passage, and the communication passage extends from the first passage to the second passage. Is configured to inhibit the migration of the drug. [Selection diagram] Figure 4【課題】バイアル瓶等の被溶解薬剤容器と薬剤容器とを連通させる際に、被溶解薬剤容器の薬剤の漏れを防止することができる両頭針、及びこれを備えた薬剤容器を提供する。【解決手段】本発明に係る両頭針は、被溶解薬剤容器と薬剤容器とを連通させるための両頭針であって、第１針部と、前記第１針部の軸方向とは反対側に延びる少なくとも一つの第２針部と、前記第１針部を軸方向に貫通する第１通路と、前記第２針部を軸方向に貫通する第２通路と、前記第１通路と前記第２通路との間に配置され、当該第１通路と前記第２通路とを連通する連通路と、を備え、前記連通路は、前記第１通路から前記第２通路へ向かう前記被溶解薬剤容器中の薬剤の移動を阻害するように構成されている。【選択図】図４
