diff --git a/lib/shared/farcaster/farcaster-hooks.js b/lib/shared/farcaster/farcaster-hooks.js
--- a/lib/shared/farcaster/farcaster-hooks.js
+++ b/lib/shared/farcaster/farcaster-hooks.js
@@ -401,6 +401,7 @@
       const userIDs: Array<string> = [];
       try {
         let totalMessagesFetched = 0;
+        let lastSeenMessageID: ?string = null;
 
         do {
           const batchLimit = Math.min(
@@ -426,6 +427,15 @@
 
           if (messagesResult) {
             const farcasterMessages = messagesResult.result.messages;
+            const lastMessageID =
+              farcasterMessages.length > 0
+                ? farcasterMessages[farcasterMessages.length - 1].messageId
+                : null;
+
+            if (lastMessageID === lastSeenMessageID) {
+              break;
+            }
+            lastSeenMessageID = lastMessageID;
 
             const userFIDs = farcasterMessages.flatMap(message =>
               extractFarcasterIDsFromPayload(