* please read proatitis as Prostatitis
Well, smoking can trigger atherosclerosis and vascular spasms and this can affect erectile function. However, smoking for a month is unlikely to cause atherosclerosis, but yes, it can cause vascular spasms. It is best to quit smoking. Other possibilities are infection of urine or testicle or proatitis. Please consult your doctor regarding this. Take care!
The medical advice given should not be considered a substitute for medical care provided by a doctor who can examine you. The advice may not be completely correct for you as the doctor cannot examine you and does not know your complete medical history. Hence this reply to your post should only be considered as a guiding line and you must consult your doctor at the earliest for your medical problem.