Antiplague can fortify the body’s defenses against diseases. Upon drinking an antiplague, you gain an item bonus to Fortitude saving throws against diseases for 24 hours; this applies to your daily save against a disease’s progression.
                Type Lesser;
                
Level 1;                
Price 3 GP;                
You gain a +2 item bonus.
                
               
                                          
                Type Moderate;
                
Level 6;                
Price 35 GP;                
You gain a +3 item bonus.
                
               
                                          
                Type Greater;
                
Level 10;                
Price 160 GP;                
You gain a +4 item bonus.
                
               
                                          
                Type Major;
                
Level 14;                
Price 675 GP;                
You gain a +4 item bonus, and when you drink the antiplague, you can immediately attempt a saving throw against one disease of 14th level or lower affecting you. If you succeed, you are cured of the disease.