Fact 1: Infection can cause bodily tissues to swell.

Fact 2: Antihistamines reduce swelling in mucous membranes and soft tissues.

Given the two facts above, answer the question "What can help with sinus infections?" with the following options: 
- arteries
 - hydration
 - one celled organisms
 - prolactin release
 - radiography
 - Enzymes
 - antihistamines
 - aqueous solution


 

       antihistamines  