Stress reliever?

Right now im sick with alot of stress aggrevated illnesses. I have a viral infection in my mouth that comes back when im stressed out i have a cold and also my acid reflux is getting worse and i have another condition having to do with my bowels that gets worse when im stressed. I dont know what to do. My husband is stressing me out by not listening to me about a problem and this has been going on for five months. I want to fell better but how can i get better with all this stress is there a pill to help calm be down.