diff --git a/redbot/core/modlog.py b/redbot/core/modlog.py
index ba9f3fb5a..6f35362ad 100644
--- a/redbot/core/modlog.py
+++ b/redbot/core/modlog.py
@@ -15,6 +15,7 @@ from .utils.common_filters import (
     filter_urls,
     escape_spoilers,
 )
+from .utils.chat_formatting import pagify
 from .i18n import Translator, set_contextual_locales_from_guild
 
 from .generic_casetypes import all_generics
@@ -342,11 +343,7 @@ class Case:
         title = "{}".format(
             _("Case #{} | {} {}").format(self.case_number, casetype.case_str, casetype.image)
         )
-
-        if self.reason:
-            reason = _("**Reason:** {}").format(self.reason)
-        else:
-            reason = _("**Reason:** Use the `reason` command to add it")
+        reason = _("**Reason:** Use the `reason` command to add it")
 
         if self.moderator is None:
             moderator = _("Unknown")
@@ -403,6 +400,19 @@ class Case:
             )  # Invites and spoilers get rendered even in embeds.
 
         if embed:
+            if self.reason:
+                reason = _("**Reason:** {}").format(self.reason)
+                if len(reason) > 2048:
+                    reason = (
+                        next(
+                            pagify(
+                                reason,
+                                delims=[" ", "\n"],
+                                page_length=2000,
+                            )
+                        )
+                        + "..."
+                    )
             emb = discord.Embed(title=title, description=reason)
             emb.set_author(name=user)
             emb.add_field(name=_("Moderator"), value=moderator, inline=False)
@@ -425,6 +435,19 @@ class Case:
             emb.timestamp = datetime.utcfromtimestamp(self.created_at)
             return emb
         else:
+            if self.reason:
+                reason = _("**Reason:** {}").format(self.reason)
+                if len(reason) > 1000:
+                    reason = (
+                        next(
+                            pagify(
+                                reason,
+                                delims=[" ", "\n"],
+                                page_length=1000,
+                            )
+                        )
+                        + "..."
+                    )
             user = filter_mass_mentions(filter_urls(user))  # Further sanitization outside embeds
             case_text = ""
             case_text += "{}\n".format(title)