Yes, you should get yourself and other family members checked for tuberculosis. This is especially important for this infection may, at times, produce no symptoms and it is best that it be detected and treated early. Your doctor will carry out tests and advise whether you need to take any medicine.
As regards marital relations, these can continue provided your husband has no evidence of tuberculosis of the lungs or of the genital organs. Your doctor should be able to provide this information to you.