You have an allergy to either airborne pollens or molds that causes fits of sneezing and watery eyes or the dander, droppings, or bite/sting of certain animals or insects that causes itching hives and sneezing.
- If exposed to an allergen (discuss with the DM as to what you're allergic to) make a DC 7 Constitution save or suffer disadvantage on Concentration checks and ranged attacks.
- By selecting this drawback the character is able to select an additional feat.