A deficiency of certain nutrients, such as selenium, zinc and folic acid or Vitamin C, intake of antibiotics such as erythromycin, gentamicin and
nitrofurantoin, sulfasalazine, cimetidine, spironolactone and
methotrexate can decrease sperm
count. The negative impact on sperm count stops once the medicine is no longer being taken. It is essential to have a healthy balanced diet everyday rich in all essential vitamins, minerals.