diff --git a/data/dictionary/STCharacters.txt b/data/dictionary/STCharacters.txt
index 912d1625c..23732d3fe 100644
--- a/data/dictionary/STCharacters.txt
+++ b/data/dictionary/STCharacters.txt
@@ -645,7 +645,7 @@
 彨	彲
 彩	彩 綵
 彻	徹
-征	徵 征
+征	徵 征 癥
 径	徑
 徕	徠
 御	御 禦
@@ -1158,7 +1158,7 @@
 疯	瘋
 疱	皰
 疴	痾
-症	症 癥
+症	症
 痈	癰
 痉	痙
 痒	癢
diff --git a/data/dictionary/STPhrases.txt b/data/dictionary/STPhrases.txt
index 6e62e5189..88e6d6616 100644
--- a/data/dictionary/STPhrases.txt
+++ b/data/dictionary/STPhrases.txt
@@ -1,3 +1,5 @@
+征候	癥候
+综合征	綜合癥
 㓦划	㓦劃
 一丝不挂	一絲不掛
 一了心愿	一了心願
diff --git a/data/dictionary/TSCharacters.txt b/data/dictionary/TSCharacters.txt
index 5dc2b2b18..beadbff14 100644
--- a/data/dictionary/TSCharacters.txt
+++ b/data/dictionary/TSCharacters.txt
@@ -1354,7 +1354,7 @@
 癡	痴
 癢	痒
 癤	疖
-癥	症
+癥	征 症
 癧	疬
 癩	癞
 癬	癣
diff --git a/data/dictionary/TSPhrases.txt b/data/dictionary/TSPhrases.txt
index dee97540c..3ec81f525 100644
--- a/data/dictionary/TSPhrases.txt
+++ b/data/dictionary/TSPhrases.txt
@@ -5,6 +5,8 @@
 么麽	幺麽
 乾乾淨淨	干干净净
 乾乾脆脆	干干脆脆
+癥候	征候
+綜合症	综合征
 乾元	乾元
 乾卦	乾卦
 乾嘉	乾嘉