diff --git a/enfermero_portal.php b/enfermero_portal.php
index a1b1428..ca21835 100644
--- a/enfermero_portal.php
+++ b/enfermero_portal.php
@@ -259,12 +259,12 @@ $hoy = date('Y-m-d');
                 <p class="text-muted small mb-3">Registra la temperatura corporal del paciente</p>
                 <div class="temp-value-wrap d-inline-block">
                     <input type="number" id="temp-modal-valor" class="form-control form-control-lg"
-                           step="0.1" min="30" max="45" placeholder="36.5"
+                           step="0.1" min="0" max="45" placeholder="36.5"
                            onkeydown="if(event.key==='Enter')tempModal.confirmar()">
                     <span class="temp-unit">&deg;C</span>
                 </div>
                 <div id="temp-modal-error" class="text-danger small mt-2" style="display:none">
-                    Ingresa un valor válido entre 30 y 45 °C
+                    Ingresa un valor válido entre 0 y 45 °C
                 </div>
             </div>
             <div class="modal-footer py-2 justify-content-center">
@@ -1550,7 +1550,7 @@ const tempModal = {
     confirmar() {
         const val = parseFloat(document.getElementById('temp-modal-valor').value);
         const err = document.getElementById('temp-modal-error');
-        if (!val || val < 30 || val > 45) { err.style.display = ''; return; }
+        if (isNaN(val) || val < 0 || val > 45) { err.style.display = ''; return; }
         this._modal.hide();
         if (this._cb) this._cb(val);
     },