diff --git a/sentry_sdk/client.py b/sentry_sdk/client.py
index 5094e17597..0b190f5304 100644
--- a/sentry_sdk/client.py
+++ b/sentry_sdk/client.py
@@ -17,6 +17,10 @@
 from sentry_sdk.transport import make_transport
 from sentry_sdk.consts import DEFAULT_OPTIONS, SDK_INFO
 from sentry_sdk.integrations import setup_integrations
+from sentry_sdk.utils import ContextVar
+
+
+_client_init_debug = ContextVar("client_init_debug")
 
 
 def get_options(*args, **kwargs):
@@ -50,20 +54,25 @@ class Client(object):
     """
 
     def __init__(self, *args, **kwargs):
-        self.options = options = get_options(*args, **kwargs)
-        self.transport = make_transport(options)
-
-        request_bodies = ("always", "never", "small", "medium")
-        if options["request_bodies"] not in request_bodies:
-            raise ValueError(
-                "Invalid value for request_bodies. Must be one of {}".format(
-                    request_bodies
+        old_debug = _client_init_debug.get(False)
+        try:
+            self.options = options = get_options(*args, **kwargs)
+            _client_init_debug.set(options["debug"])
+            self.transport = make_transport(options)
+
+            request_bodies = ("always", "never", "small", "medium")
+            if options["request_bodies"] not in request_bodies:
+                raise ValueError(
+                    "Invalid value for request_bodies. Must be one of {}".format(
+                        request_bodies
+                    )
                 )
-            )
 
-        self.integrations = setup_integrations(
-            options["integrations"], with_defaults=options["default_integrations"]
-        )
+            self.integrations = setup_integrations(
+                options["integrations"], with_defaults=options["default_integrations"]
+            )
+        finally:
+            _client_init_debug.set(old_debug)
 
     @property
     def dsn(self):
diff --git a/sentry_sdk/debug.py b/sentry_sdk/debug.py
index b524501a9a..5922a50c51 100644
--- a/sentry_sdk/debug.py
+++ b/sentry_sdk/debug.py
@@ -4,10 +4,13 @@
 from sentry_sdk import utils
 from sentry_sdk.hub import Hub
 from sentry_sdk.utils import logger
+from sentry_sdk.client import _client_init_debug
 
 
 class _HubBasedClientFilter(logging.Filter):
     def filter(self, record):
+        if _client_init_debug.get(False):
+            return True
         hub = Hub.current
         if hub is not None and hub.client is not None:
             return hub.client.options["debug"]
diff --git a/sentry_sdk/integrations/__init__.py b/sentry_sdk/integrations/__init__.py
index fb97e0ad10..f1b69766d3 100644
--- a/sentry_sdk/integrations/__init__.py
+++ b/sentry_sdk/integrations/__init__.py
@@ -44,6 +44,8 @@ def setup_integrations(integrations, with_defaults=True):
         (integration.identifier, integration) for integration in integrations or ()
     )
 
+    logger.debug("Setting up integrations (with default = %s)", with_defaults)
+
     if with_defaults:
         for integration_cls in iter_default_integrations():
             if integration_cls.identifier not in integrations:
@@ -53,6 +55,9 @@ def setup_integrations(integrations, with_defaults=True):
     for identifier, integration in iteritems(integrations):
         with _installer_lock:
             if identifier not in _installed_integrations:
+                logger.debug(
+                    "Setting up previously not enabled integration %s", identifier
+                )
                 try:
                     type(integration).setup_once()
                 except NotImplementedError:
@@ -67,6 +72,9 @@ def setup_integrations(integrations, with_defaults=True):
                         raise
                 _installed_integrations.add(identifier)
 
+    for identifier in integrations:
+        logger.debug("Enabling integration %s", identifier)
+
     return integrations