diff --git a/api/src/main/java/org/openmrs/validator/AllergyValidator.java b/api/src/main/java/org/openmrs/validator/AllergyValidator.java
index 9153eaa81a55..3f52f6620256 100644
--- a/api/src/main/java/org/openmrs/validator/AllergyValidator.java
+++ b/api/src/main/java/org/openmrs/validator/AllergyValidator.java
@@ -82,6 +82,10 @@ public void validate(Object target, Errors errors) {
 			} else if (!allergen.isCoded() && StringUtils.isBlank(allergen.getNonCodedAllergen())) {
 				errors.rejectValue("allergen", "allergyapi.allergen.nonCodedAllergen.required");
 			}
+
+			if (StringUtils.isNumeric(allergen.getNonCodedAllergen())) {
+				errors.rejectValue("allergen", "allergyapi.allergy.Allergen.cannotContainNumeric");
+			}
 			
 			if (allergy.getAllergyId() == null && allergy.getPatient() != null) {
 				Allergies existingAllergies = patientService.getAllergies(allergy.getPatient());
diff --git a/api/src/main/resources/messages.properties b/api/src/main/resources/messages.properties
index 7d5561d5118a..dc46660f4e42 100644
--- a/api/src/main/resources/messages.properties
+++ b/api/src/main/resources/messages.properties
@@ -94,6 +94,7 @@ error.email.alreadyInUse=Email address is already assigned to another user accou
 error.activationkey.invalid =Invalid user activation Key
 error.usernameOrEmail.notNullOrBlank =Username Or email cannot be null or blank
 error.allergyapi.allergy.ReactionNonCoded.cannotBeNumeric=Reaction Non-coded must not be only a number
+error.allergyapi.allergen.nonCodedAllergen.cannotBeNumeric=Non-coded Allergen must not be only a number
 
 general.at=at
 general.with=with
diff --git a/api/src/test/java/org/openmrs/validator/AllergyValidatorTest.java b/api/src/test/java/org/openmrs/validator/AllergyValidatorTest.java
index 9b1d57d03eb3..703f3b3bae29 100644
--- a/api/src/test/java/org/openmrs/validator/AllergyValidatorTest.java
+++ b/api/src/test/java/org/openmrs/validator/AllergyValidatorTest.java
@@ -191,4 +191,13 @@ public void validate_shouldRejectNumericReactionValue() {
 		validator.validate(allergy, errors);
 		assertTrue(errors.hasErrors());
 	}
+	@Test
+	public void validate_shouldRejectNumericAllergenValue() {
+		Allergen allergen = new Allergen(AllergenType.DRUG, null , "45" );
+		allergy.setAllergen(allergen);
+		Errors errors = new BindException(allergy,"allergy");
+		validator.validate(allergy, errors);
+		assertTrue(errors.hasErrors());
+		assertTrue(errors.getAllErrors().stream()
+        .anyMatch(error -> "allergyapi.allergy.Allergen.cannotContainNumeric".equals(error.getCode())));	}
 }