diff --git a/frontend/cypress/pages/ModifyOrderPage.js b/frontend/cypress/pages/ModifyOrderPage.js
index efddfb1e1..759586679 100644
--- a/frontend/cypress/pages/ModifyOrderPage.js
+++ b/frontend/cypress/pages/ModifyOrderPage.js
@@ -41,9 +41,9 @@ class ModifyOrderPage {
 
   clickRespectivePatient() {
     return cy
-    .get('tbody tr')
-    .first()
-    .find('.cds--radio-button__appearance')
+      .get("tbody tr")
+      .first()
+      .find(".cds--radio-button__appearance")
       .click();
   }
 }
diff --git a/frontend/src/components/patient/CreatePatientForm.js b/frontend/src/components/patient/CreatePatientForm.js
index 1f16d7efe..f9de1bd7c 100644
--- a/frontend/src/components/patient/CreatePatientForm.js
+++ b/frontend/src/components/patient/CreatePatientForm.js
@@ -143,8 +143,16 @@ function CreatePatientForm(props) {
   };
 
   function handleYearsChange(e, values) {
-    setPatientDetails(values);
-    let years = e.target.value;
+    // Ensure years is not negative
+    const years = Math.max(0, Number(e.target.value));
+
+    // Update form values with the validated years
+    setPatientDetails({
+      ...values,
+      // Update the specific field that contains years to ensure the form shows the corrected value
+      [e.target.name]: years,
+    });
+
     let dobFormatter = {
       ...dateOfBirthFormatter,
       years: years,
@@ -153,8 +161,16 @@ function CreatePatientForm(props) {
   }
 
   function handleMonthsChange(e, values) {
-    setPatientDetails(values);
-    let months = e.target.value;
+    // Ensure months is not negative
+    const months = Math.max(0, Number(e.target.value));
+
+    // Update form values with the validated months
+    setPatientDetails({
+      ...values,
+      // Update the specific field that contains months to ensure the form shows the corrected value
+      [e.target.name]: months,
+    });
+
     let dobFormatter = {
       ...dateOfBirthFormatter,
       months: months,
@@ -163,8 +179,16 @@ function CreatePatientForm(props) {
   }
 
   function handleDaysChange(e, values) {
-    setPatientDetails(values);
-    let days = e.target.value;
+    // Ensure days is not negative
+    const days = Math.max(0, Number(e.target.value));
+
+    // Update form values with the validated days
+    setPatientDetails({
+      ...values,
+      // Update the specific field that contains days to ensure the form shows the corrected value
+      [e.target.name]: days,
+    });
+
     let dobFormatter = {
       ...dateOfBirthFormatter,
       days: days,
@@ -625,6 +649,7 @@ function CreatePatientForm(props) {
                   })}
                   id="years"
                   type="number"
+                  min="0"
                   onChange={(e) => handleYearsChange(e, values)}
                   placeholder={intl.formatMessage({
                     id: "patient.information.age",
@@ -637,6 +662,7 @@ function CreatePatientForm(props) {
                   name="months"
                   labelText={intl.formatMessage({ id: "patient.age.months" })}
                   type="number"
+                  min="0"
                   onChange={(e) => handleMonthsChange(e, values)}
                   id="months"
                   placeholder={intl.formatMessage({
@@ -649,6 +675,7 @@ function CreatePatientForm(props) {
                   value={dateOfBirthFormatter.days}
                   name="days"
                   type="number"
+                  min="0"
                   onChange={(e) => handleDaysChange(e, values)}
                   labelText={intl.formatMessage({ id: "patient.age.days" })}
                   id="days"