diff --git a/postgres/changelog.d/24923.fixed b/postgres/changelog.d/24923.fixed
new file mode 100644
index 0000000000000..ca676df2405c4
--- /dev/null
+++ b/postgres/changelog.d/24923.fixed
@@ -0,0 +1 @@
+Respect dbstrict in schema collection
diff --git a/postgres/datadog_checks/postgres/schemas.py b/postgres/datadog_checks/postgres/schemas.py
index 4dec050418ab0..f61d6fc9892c2 100644
--- a/postgres/datadog_checks/postgres/schemas.py
+++ b/postgres/datadog_checks/postgres/schemas.py
@@ -208,18 +208,22 @@ def _get_databases(self):
         query = DATABASE_INFORMATION_QUERY
         params: list[str] = []
 
-        query += regex_exclude_clauses("datname", self._config.exclude_databases)
-        params.extend(self._config.exclude_databases)
-
-        query += regex_include_clause("datname", self._config.include_databases)
-        params.extend(self._config.include_databases)
-
-        # Autodiscovery trumps exclude and include
-        autodiscovery_databases = self._check.autodiscovery.get_items() if self._check.autodiscovery else []
-        if autodiscovery_databases:
-            in_clause = ", ".join(["%s"] * len(autodiscovery_databases))
-            query += f" AND datname IN ({in_clause})"
-            params.extend(autodiscovery_databases)
+        if self._check._config.dbstrict and not self._check.autodiscovery:
+            query += " AND datname = %s"
+            params.append(self._check._config.dbname)
+        else:
+            query += regex_exclude_clauses("datname", self._config.exclude_databases)
+            params.extend(self._config.exclude_databases)
+
+            query += regex_include_clause("datname", self._config.include_databases)
+            params.extend(self._config.include_databases)
+
+            # Autodiscovery trumps exclude and include
+            autodiscovery_databases = self._check.autodiscovery.get_items() if self._check.autodiscovery else []
+            if autodiscovery_databases:
+                in_clause = ", ".join(["%s"] * len(autodiscovery_databases))
+                query += f" AND datname IN ({in_clause})"
+                params.extend(autodiscovery_databases)
 
         with self._check._get_main_db() as conn:
             with conn.cursor(row_factory=dict_row) as cursor:
diff --git a/postgres/tests/test_schemas.py b/postgres/tests/test_schemas.py
index 16b5c47abec9f..110700b4f533b 100644
--- a/postgres/tests/test_schemas.py
+++ b/postgres/tests/test_schemas.py
@@ -2,6 +2,8 @@
 # All rights reserved
 # Licensed under a 3-clause BSD style license (see LICENSE)
 
+from unittest import mock
+
 import pytest
 
 from datadog_checks.postgres.schemas import PostgresSchemaCollector
@@ -82,6 +84,28 @@ def test_databases_include_and_exclude_filter(dbm_instance, integration_check):
     assert 'datadog_test' not in database_names
 
 
+def test_databases_dbstrict(dbm_instance, integration_check):
+    dbm_instance['dbstrict'] = True
+    check = integration_check(dbm_instance)
+    collector = PostgresSchemaCollector(check)
+
+    databases = collector._get_databases()
+    database_names = [database['name'] for database in databases]
+    assert database_names == [dbm_instance['dbname']]
+
+
+def test_databases_dbstrict_with_autodiscovery(dbm_instance, integration_check):
+    dbm_instance['dbstrict'] = True
+    dbm_instance['database_autodiscovery'] = {'enabled': True, 'include': ['^dogs_[0-9]$']}
+    check = integration_check(dbm_instance)
+    collector = PostgresSchemaCollector(check)
+
+    with mock.patch.object(check.autodiscovery, 'get_items', return_value=['dogs_3']):
+        databases = collector._get_databases()
+    database_names = [database['name'] for database in databases]
+    assert database_names == ['dogs_3']
+
+
 def test_get_cursor(dbm_instance, integration_check):
     check = integration_check(dbm_instance)
     check.version = POSTGRES_VERSION