I think it sounds like trying to get a referral to a psychiatrist is a good idea. In the meantime, I would suggest trying to make sure you take time out to do nice things for yourself. It doesn't need to be that long each day, just long enough to have some nice relax time for yourself... take a nice relaxing bath by yourself, listen to some relaxing music, eat food you enjoy, etc. Just make sure they are not things that you feel obliged to do. The idea is to be nice to yourself and let your mind have a rest every day.

As for expressing yourself to your husband, have you thought of writing everything you are feeling down while he is not there and then just giving that to him. That is also a useful tool for a therapist. It's hard sometimes to get everything that is bothering you out.