diff --git a/backend/controllers/falukantController.js b/backend/controllers/falukantController.js
index d1df872..a158980 100644
--- a/backend/controllers/falukantController.js
+++ b/backend/controllers/falukantController.js
@@ -155,7 +155,16 @@ class FalukantController {
         this.advanceNobility = this._wrapWithUser((userId) => this.service.advanceNobility(userId));
 
         this.getHealth = this._wrapWithUser((userId) => this.service.getHealth(userId));
-        this.healthActivity = this._wrapWithUser((userId, req) => this.service.healthActivity(userId, req.body.measureTr));
+        this.healthActivity = this._wrapWithUser(async (userId, req) => {
+            try {
+                return await this.service.healthActivity(userId, req.body.measureTr);
+            } catch (e) {
+                if (e && e.name === 'PreconditionError' && e.message === 'tooClose') {
+                    throw { status: 412, message: 'tooClose', retryAt: e.meta?.retryAt };
+                }
+                throw e;
+            }
+        });
 
         this.getPoliticsOverview = this._wrapWithUser((userId) => this.service.getPoliticsOverview(userId));
         this.getOpenPolitics = this._wrapWithUser((userId) => this.service.getOpenPolitics(userId));
diff --git a/backend/services/falukantService.js b/backend/services/falukantService.js
index 5bcb743..9b07b63 100644
--- a/backend/services/falukantService.js
+++ b/backend/services/falukantService.js
@@ -3662,7 +3662,11 @@ class FalukantService extends BaseService {
             limit: 1
         });
         if (lastHealthActivity) {
-            throw new Error('too close');
+            // Berechne, wann die nächste Maßnahme möglich ist (24 Stunden nach der letzten)
+            const retryAt = new Date(lastHealthActivity.createdAt.getTime() + 24 * 60 * 60 * 1000);
+            const err = new PreconditionError('tooClose');
+            err.meta = { retryAt: retryAt.toISOString() };
+            throw err;
         }
         const activityObject = FalukantService.HEALTH_ACTIVITIES.find((a) => a.tr === activity);
         if (!activityObject) {
diff --git a/frontend/src/i18n/locales/de/falukant.json b/frontend/src/i18n/locales/de/falukant.json
index bf8606b..6d1d99d 100644
--- a/frontend/src/i18n/locales/de/falukant.json
+++ b/frontend/src/i18n/locales/de/falukant.json
@@ -895,7 +895,12 @@
                 "drunkOfLife": "Trunk des Lebens",
                 "barber": "Barbier"
             },
-            "choose": "Bitte auswählen"
+            "choose": "Bitte auswählen",
+            "errors": {
+                "tooClose": "Du kannst nicht so oft Maßnahmen durchführen.",
+                "generic": "Ein Fehler ist aufgetreten."
+            },
+            "nextMeasureAt": "Nächste Maßnahme ab"
         },
         "politics": {
             "title": "Politik",
diff --git a/frontend/src/i18n/locales/en/falukant.json b/frontend/src/i18n/locales/en/falukant.json
index 9a2d59f..823d430 100644
--- a/frontend/src/i18n/locales/en/falukant.json
+++ b/frontend/src/i18n/locales/en/falukant.json
@@ -197,7 +197,32 @@
         },
         "nobility": {
             "cooldown": "You can only advance again on {date}."
-    },
+        },
+        "healthview": {
+            "title": "Health",
+            "age": "Age",
+            "status": "Health Status",
+            "measuresTaken": "Measures Taken",
+            "measure": "Measure",
+            "date": "Date",
+            "cost": "Cost",
+            "success": "Success",
+            "selectMeasure": "Select Measure",
+            "perform": "Perform",
+            "measures": {
+                "pill": "Pill",
+                "doctor": "Doctor Visit",
+                "witch": "Witch",
+                "drunkOfLife": "Elixir of Life",
+                "barber": "Barber"
+            },
+            "choose": "Please select",
+            "errors": {
+                "tooClose": "You cannot perform measures so often.",
+                "generic": "An error occurred."
+            },
+            "nextMeasureAt": "Next measure from"
+        },
         "branchProduction": {
             "storageAvailable": "Free storage"
         },
diff --git a/frontend/src/views/falukant/HealthView.vue b/frontend/src/views/falukant/HealthView.vue
index 3cb7e2d..d756a18 100644
--- a/frontend/src/views/falukant/HealthView.vue
+++ b/frontend/src/views/falukant/HealthView.vue
@@ -142,9 +142,23 @@ export default {
                 this.selectedTr = '';
             } catch (err) {
                 console.error('Error performing measure', err);
-                const title = this.$t('falukant.healthview.title');
-                const remoteMsg = err?.response?.data?.error || err?.message || String(err);
-                this.$root.$refs.messageDialog?.open(remoteMsg, title);
+                if (err?.response?.status === 412) {
+                    const retryAtIso = err.response?.data?.retryAt;
+                    const code = err.response?.data?.error || err.response?.data?.message;
+                    if (retryAtIso) {
+                        const retryStr = new Date(retryAtIso).toLocaleString(navigator.language, {
+                            year: 'numeric', month: '2-digit', day: '2-digit',
+                            hour: '2-digit', minute: '2-digit'
+                        });
+                        const baseMsg = this.$t(`falukant.healthview.errors.${code}`);
+                        this.$root.$refs.errorDialog?.open(`${baseMsg} — ${this.$t('falukant.healthview.nextMeasureAt')}: ${retryStr}`);
+                    } else {
+                        this.$root.$refs.errorDialog?.open(this.$t(`falukant.healthview.errors.${code}`));
+                    }
+                } else {
+                    const code = err?.response?.data?.error || err?.message || 'generic';
+                    this.$root.$refs.errorDialog?.open(this.$t(`falukant.healthview.errors.${code}`) || this.$t('falukant.healthview.errors.generic'));
+                }
             }
         },
         handleDaemonMessage(evt) {