uknown database error, needs removing, please look

[triggers9618]

ok so i have a database with all my tables called trigger_game but somehow there appears to be another database uploaded on phpmyadmin and it wont let me drop/remove it,
heres the error i get after i try and drop it

#1044 - Access denied for user 'trigger'@'localhost' to database 'information_schema'
DROP TABLE `CHARACTER_SETS` ,
`CLIENT_STATISTICS` ,
`COLLATIONS` ,
`COLLATION_CHARACTER_SET_APPLICABILITY` ,
`COLUMNS` ,
`COLUMN_PRIVILEGES` ,
`INDEX_STATISTICS` ,
`INNODB_BUFFER_POOL_CONTENT` ,
`INNODB_IO_PATTERN` ,
`INNODB_RSEG` ,
`KEY_COLUMN_USAGE` ,
`PROCESSLIST` ,
`PROFILING` ,
`ROUTINES` ,
`SCHEMATA` ,
`SCHEMA_PRIVILEGES` ,
`STATISTICS` ,
`TABLES` ,
`TABLE_CONSTRAINTS` ,
`TABLE_PRIVILEGES` ,
`TABLE_STATISTICS` ,
`TRIGGERS` ,
`USER_PRIVILEGES` ,
`USER_STATISTICS` ,
`VIEWS` ;

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please help me, delete that database or something.

thanks
dean