Some symptoms that you might have mold hiding in your home are, difficulty breathing, wheezing, coughing, watery eyes and irritation of your skin.
You might also notice a wet mold smell that should be noticeable if the mold is bad.
If you think you might have been exposed to mold you should go see your doctor and you should have a mold inspection done on your home so they can find mold in your house and get rid of it if the mold is there.