Talk to your doctor about it and see what he or she thinks. When you get results back from anything like that you should discuss what it means and what the next step will be with your doctor.

I believe anything under 2.5 is considered low, and many things can cause your levels to fluctuate. So what you described does not sound like anything to panic about, but talk to the doctor just in case. He or she might want to keep an eye on your psa and see if it continues to increase.

For more information: http://www.cancer.gov/cancertopics/factshe et/Detection/PSA