This is hard to believe, Sudefed for low ejaculation?
Retrograde Ejaculation
Retrograde ejaculation is associated with a diminished volume or complete lack of seminal emission, and is often the first symptom of diabetes mellitus. The diagnosis may be confirmed by microscopic examination of a posteiaculation urine specimen. Pseudoephedrine (Sudafed) 120 mg 3 times daily will convert approximately 25% of men to antegrade ejaculation. Ejaculation with a full bladder is sometimes helpful. A full bladder stimulates increased a-adrenergic activity at the bladder neck. If these measures fail, the urine may be alkalinzed and the sperm from the postejaculate urine retrieved, processed, and used for IUI or IVF with ICSI.
http://www.maleinfertility.org/new-treatment.html#retro