| abstract |
The present invention provides a pharmaceutical composition comprising (a) a phosphodiesterase (PDE)-IV inhibitor or a pharmaceutically acceptable salt thereof and (b) an immunosuppressant, a therapeutic and/or preventive agent for chronic skin diseases comprising (a) a PDE-IV inhibitor or a pharmaceutically acceptable salt thereof and (b) an immunosuppressant, a therapeutic and/or preventive agent for chronic skin diseases to be administered simultaneously or separately with an interval comprising (a) a PDE-IV inhibitor or a pharmaceutically acceptable salt thereof and (b) an immunosuppressant, as active ingredients,; and the like. |