Has not happened to me yet and I hope it won't. But I do get paranoid at times and I get a panic attack. Do you not trust your husband enough to think he might be cheating and trying to catch him red-handed (confirmation bias)?
My Aunt had such episodes (which gets worse) after child birth and so she was brought to a psychiatrist. She was prescribed some medicine to help her hormones and vitamin level get balanced as it affects brain functions as well as emotions.
Do consult a GP and an OB-GYN to help you with your specific issues which we might not be able to help you with. However, we encourage you to stick around and let this forum (us) be your sounding board.