diff --git a/native/chat/chat-router.js b/native/chat/chat-router.js
--- a/native/chat/chat-router.js
+++ b/native/chat/chat-router.js
@@ -10,6 +10,7 @@
   GenericNavigationAction,
 } from '@react-navigation/native';
 import { StackRouter, CommonActions } from '@react-navigation/native';
+import Alert from 'react-native/Libraries/Alert/Alert.js';
 
 import type { ThreadInfo } from 'lib/types/thread-types.js';
 
@@ -67,6 +68,15 @@
   +pushNewThread: (threadInfo: ThreadInfo) => void,
 };
 
+const displayAlert = () => {
+  Alert.alert(
+    'You are in edit mode',
+    'Exit edit mode before navigating to another screen',
+    [{ text: 'OK' }],
+    { cancelable: true },
+  );
+};
+
 function ChatRouter(
   routerOptions: StackRouterOptions,
 ): Router<StackNavigationState, ChatRouterNavigationAction> {
@@ -128,7 +138,17 @@
         );
         return baseGetStateForAction(clearedState, navigateAction, options);
       } else {
-        return baseGetStateForAction(lastState, action, options);
+        const result = baseGetStateForAction(lastState, action, options);
+        if (
+          result !== null &&
+          result?.index &&
+          result.index > lastState.index &&
+          lastState.routes[lastState.index].params?.disableNavigation
+        ) {
+          displayAlert();
+          return lastState;
+        }
+        return result;
       }
     },
     actionCreators: {
diff --git a/native/chat/message-list-container.react.js b/native/chat/message-list-container.react.js
--- a/native/chat/message-list-container.react.js
+++ b/native/chat/message-list-container.react.js
@@ -293,6 +293,15 @@
       }
     }, [isSearching, navigationStack, setParams, threadInfo]);
 
+    const shouldBlockNavigation = React.useMemo(
+      () => !!inputState.editState.editedMessage,
+      [inputState.editState.editedMessage],
+    );
+
+    React.useEffect(() => {
+      setParams({ disableNavigation: shouldBlockNavigation });
+    }, [shouldBlockNavigation, isSearching, props.navigation, setParams]);
+
     const hideSearch = React.useCallback(() => {
       setBaseThreadInfo(threadInfo);
       setParams({ searching: false });
diff --git a/native/chat/message-list-types.js b/native/chat/message-list-types.js
--- a/native/chat/message-list-types.js
+++ b/native/chat/message-list-types.js
@@ -15,6 +15,7 @@
   +threadInfo: ThreadInfo,
   +pendingPersonalThreadUserInfo?: UserInfo,
   +searching?: boolean,
+  +disableNavigation?: boolean,
 };
 
 export type MessageListContextType = {