Pharmaceutical composition for prevention, amelioration, or treatment of skin disease

A pharmaceutical A pharmaceutical composition, for suppressing dermatitis comprising as active components

• a bacterial cell of a bacterium sensitive to ampicillin;
• wherein
• a 16S rDNA gene sequence of the bacterium sensitive to ampicillin is
• a sequence represented by SEQ ID NO. 5, or
• a sequence having at least 99% or more sequence identity to the sequence represented by SEQ ID NO. 5;
• the bacterium sensitive to ampicillin is a live bacterium;
• the bacterium is Staphylococcus cohnii isolated from human skin;
• wherein the composition is formulated as an external preparation in order to apply or paste the pharmaceutical composition for the administration;
• and
• wherein the pharmaceutical composition comprises at least one of a pharmaceutically acceptable carrier or an additive agent, wherein the pharmaceutically acceptable carrier and the additive are selected from the group consisting of an excipient, a suspending agent, an isotonizing agent, an emulsifying agent.