Im literally going mad, please help?

so im so scared of bed bugs im always thinking about it and avoid doing things that could increase the risk of getting some, ie: cancelled my trip to nyc, dont go to the movies or take public transportation etc etc i have acid reflux because of it and lost my appetite, i barely sleep i go to bed around 4 am and i feel so tired. im always vaccuming, washing my clothes, checking my furniture and matress. and my skin is always itching.. i dont know what to do?