diff --git a/Polyclinic/PolyclinicDatabaseImplement/Migrations/20240529230147_For-Medicaments.Designer.cs b/Polyclinic/PolyclinicDatabaseImplement/Migrations/20240529231348_For-Medicaments.Designer.cs
similarity index 98%
rename from Polyclinic/PolyclinicDatabaseImplement/Migrations/20240529230147_For-Medicaments.Designer.cs
rename to Polyclinic/PolyclinicDatabaseImplement/Migrations/20240529231348_For-Medicaments.Designer.cs
index 756512a..8ea70b9 100644
--- a/Polyclinic/PolyclinicDatabaseImplement/Migrations/20240529230147_For-Medicaments.Designer.cs
+++ b/Polyclinic/PolyclinicDatabaseImplement/Migrations/20240529231348_For-Medicaments.Designer.cs
@@ -12,7 +12,7 @@ using SecuritySystemDatabaseImplement;
 namespace PolyclinicDatabaseImplement.Migrations
 {
     [DbContext(typeof(PolyclinicDatabase))]
-    [Migration("20240529230147_For-Medicaments")]
+    [Migration("20240529231348_For-Medicaments")]
     partial class ForMedicaments
     {
         /// <inheritdoc />
@@ -120,7 +120,6 @@ namespace PolyclinicDatabaseImplement.Migrations
                         .HasColumnType("int");
 
                     b.Property<int?>("SymptomId")
-                        .IsRequired()
                         .HasColumnType("int");
 
                     b.HasKey("Id");
@@ -342,9 +341,7 @@ namespace PolyclinicDatabaseImplement.Migrations
 
                     b.HasOne("PolyclinicDatabaseImplement.Models.Symptom", "Symptom")
                         .WithMany()
-                        .HasForeignKey("SymptomId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
+                        .HasForeignKey("SymptomId");
 
                     b.Navigation("Procedure");
 
diff --git a/Polyclinic/PolyclinicDatabaseImplement/Migrations/20240529230147_For-Medicaments.cs b/Polyclinic/PolyclinicDatabaseImplement/Migrations/20240529231348_For-Medicaments.cs
similarity index 79%
rename from Polyclinic/PolyclinicDatabaseImplement/Migrations/20240529230147_For-Medicaments.cs
rename to Polyclinic/PolyclinicDatabaseImplement/Migrations/20240529231348_For-Medicaments.cs
index 7cb6589..04f4e94 100644
--- a/Polyclinic/PolyclinicDatabaseImplement/Migrations/20240529230147_For-Medicaments.cs
+++ b/Polyclinic/PolyclinicDatabaseImplement/Migrations/20240529231348_For-Medicaments.cs
@@ -14,6 +14,10 @@ namespace PolyclinicDatabaseImplement.Migrations
                 name: "FK_Medicaments_Procedures_ProcedureId",
                 table: "Medicaments");
 
+            migrationBuilder.DropForeignKey(
+                name: "FK_Medicaments_Symptomes_SymptomId",
+                table: "Medicaments");
+
             migrationBuilder.AlterColumn<string>(
                 name: "Comment",
                 table: "Symptomes",
@@ -38,6 +42,14 @@ namespace PolyclinicDatabaseImplement.Migrations
                 oldClrType: typeof(string),
                 oldType: "nvarchar(max)");
 
+            migrationBuilder.AlterColumn<int>(
+                name: "SymptomId",
+                table: "Medicaments",
+                type: "int",
+                nullable: true,
+                oldClrType: typeof(int),
+                oldType: "int");
+
             migrationBuilder.AlterColumn<int>(
                 name: "ProcedureId",
                 table: "Medicaments",
@@ -76,6 +88,13 @@ namespace PolyclinicDatabaseImplement.Migrations
                 column: "ProcedureId",
                 principalTable: "Procedures",
                 principalColumn: "Id");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Medicaments_Symptomes_SymptomId",
+                table: "Medicaments",
+                column: "SymptomId",
+                principalTable: "Symptomes",
+                principalColumn: "Id");
         }
 
         /// <inheritdoc />
@@ -85,6 +104,10 @@ namespace PolyclinicDatabaseImplement.Migrations
                 name: "FK_Medicaments_Procedures_ProcedureId",
                 table: "Medicaments");
 
+            migrationBuilder.DropForeignKey(
+                name: "FK_Medicaments_Symptomes_SymptomId",
+                table: "Medicaments");
+
             migrationBuilder.AlterColumn<string>(
                 name: "Comment",
                 table: "Symptomes",
@@ -115,6 +138,16 @@ namespace PolyclinicDatabaseImplement.Migrations
                 oldType: "nvarchar(max)",
                 oldNullable: true);
 
+            migrationBuilder.AlterColumn<int>(
+                name: "SymptomId",
+                table: "Medicaments",
+                type: "int",
+                nullable: false,
+                defaultValue: 0,
+                oldClrType: typeof(int),
+                oldType: "int",
+                oldNullable: true);
+
             migrationBuilder.AlterColumn<int>(
                 name: "ProcedureId",
                 table: "Medicaments",
@@ -162,6 +195,14 @@ namespace PolyclinicDatabaseImplement.Migrations
                 principalTable: "Procedures",
                 principalColumn: "Id",
                 onDelete: ReferentialAction.Cascade);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Medicaments_Symptomes_SymptomId",
+                table: "Medicaments",
+                column: "SymptomId",
+                principalTable: "Symptomes",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
         }
     }
 }
diff --git a/Polyclinic/PolyclinicDatabaseImplement/Migrations/PolyclinicDatabaseModelSnapshot.cs b/Polyclinic/PolyclinicDatabaseImplement/Migrations/PolyclinicDatabaseModelSnapshot.cs
index c96f2f7..0e1ffea 100644
--- a/Polyclinic/PolyclinicDatabaseImplement/Migrations/PolyclinicDatabaseModelSnapshot.cs
+++ b/Polyclinic/PolyclinicDatabaseImplement/Migrations/PolyclinicDatabaseModelSnapshot.cs
@@ -117,7 +117,6 @@ namespace PolyclinicDatabaseImplement.Migrations
                         .HasColumnType("int");
 
                     b.Property<int?>("SymptomId")
-                        .IsRequired()
                         .HasColumnType("int");
 
                     b.HasKey("Id");
@@ -339,9 +338,7 @@ namespace PolyclinicDatabaseImplement.Migrations
 
                     b.HasOne("PolyclinicDatabaseImplement.Models.Symptom", "Symptom")
                         .WithMany()
-                        .HasForeignKey("SymptomId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
+                        .HasForeignKey("SymptomId");
 
                     b.Navigation("Procedure");
 
diff --git a/Polyclinic/PolyclinicDatabaseImplement/Models/Medicament.cs b/Polyclinic/PolyclinicDatabaseImplement/Models/Medicament.cs
index fa6bcec..8e0f838 100644
--- a/Polyclinic/PolyclinicDatabaseImplement/Models/Medicament.cs
+++ b/Polyclinic/PolyclinicDatabaseImplement/Models/Medicament.cs
@@ -17,7 +17,6 @@ namespace PolyclinicDatabaseImplement.Models
 
         public int? ProcedureId { get; set; }
 
-        [Required]
         public int? SymptomId { get; set; }
 
         public virtual Symptom? Symptom { get; set; }