diff --git a/src/js/DefaultRules.js b/src/js/DefaultRules.js
index a6cdfb3dffe3335ab49b659bbc983e4d9994760a..364f14241e46f71ab56fa5b1ce41f63f4f7bcd96 100644
--- a/src/js/DefaultRules.js
+++ b/src/js/DefaultRules.js
@@ -1656,6 +1656,12 @@ window.DefaultRules = (function() {
 						flag = false;
 					}
 					break;
+
+				case "priapism agents":
+					if (slave.dick === 0 || slave.dick > 10 || slave.chastityPenis === 1 || (canAchieveErection(slave) && slave.drugs !== "priapism agents")) {
+						flag = false;
+					}
+					break;
 			}
 			if (flag) {
 				slave.drugs = rule.drug;
diff --git a/src/js/rulesAssistantOptions.js b/src/js/rulesAssistantOptions.js
index 0a019e87f8d088dfa48b58c11676251615738eea..db3e16edabc20b1ece860935684de5b4252a41e2 100644
--- a/src/js/rulesAssistantOptions.js
+++ b/src/js/rulesAssistantOptions.js
@@ -1843,6 +1843,7 @@ window.rulesAssistantOptions = (function() {
 				["Steroids", "steroids"],
 				["Natural hormone enhancers", "hormone enhancers"],
 				["Hormone blockers", "hormone blockers"],
+				["Erectile dysfunction circumvention", "priapism agents"],
 				["breast injections"],
 				["intensive breast injections"],
 				["butt injections"],