The invention provides a pharmaceutical composition comprising a) an activated-potentiated form of an antibody to prostate-specific antigen, and b) an activated-potentiated form of an antibody to endothelial NO-synthase. Various embodiments and variants are provided. The invention provides methods of treating benign prostatic hyperplasia and erectile dysfunctions and various methods of administration comprising administering a pharmaceutical composition comprising a) an activated-potentiated form of an antibody to prostate-specific antigen, and b) an activated-potentiated form of an antibody to endothelial NO-synthase.