diff --git a/src/endWeek/player/prDrugs.js b/src/endWeek/player/prDrugs.js
index 46dd769c3e7e56ff58ed2552aeb8e5e2d3a921eb..40b706d59a075037133a827c0a40727d8fcbfad0 100644
--- a/src/endWeek/player/prDrugs.js
+++ b/src/endWeek/player/prDrugs.js
@@ -62,6 +62,8 @@ App.EndWeek.Player.drugs = function(PC = V.PC) {
 			case Drug.HORMONEENHANCE:
 				r.push(`Your drug regime prepares your body to accept hormonal effects.`);
 				break;
+			case Drug.HORMONEBLOCK:
+				break; // hormone blockers take effect solely in prLongTermEffects - this is a placeholder to prevent the unrecognized drug handler from clearing .drugs
 			case "hip wideners":
 				r.push(`The tablets aid your body with preparing for childbirth, at the cost of <span class="health dec">leaving you ill</span> from the excess hormones.`);
 				healthDamage(PC, random(3, 5));
diff --git a/src/endWeek/saDrugs.js b/src/endWeek/saDrugs.js
index 76b1ea2bfffa904671d11a94ecb6af29725ebacc..01e0c8c7782a67a543549a369ab9efad36adbb29 100644
--- a/src/endWeek/saDrugs.js
+++ b/src/endWeek/saDrugs.js
@@ -86,6 +86,8 @@ App.SlaveAssignment.drugs = function saDrugs(slave) {
 			case Drug.HORMONEENHANCE:
 				r += `${His} drug regime prepares ${his} body to accept hormonal effects.`;
 				break;
+			case Drug.HORMONEBLOCK:
+				break; // hormone blockers take effect solely in saLongTermEffects - this is a placeholder to prevent the unrecognized drug handler from clearing .drugs
 			case Drug.PRIAPISM:
 				if (slave.dick === 0) {
 					r += `Since ${he} lacks a dick, it is pointless to try and keep it hard. <span class="yellow">${His} drug regimen has been ended.</span>`;