Chiuwawa has blood in semen

Ok the other day my dog had ejaculated on the floor went to clean it up and it was red it was blood so i look at his penis to see whats wrong and the tip the hole was dark red what could cause this in a dog please help

[haidee]

I would take it to the vets it might be something simple like a urine infection, but it might be more serious i would get a vet to check it out just to be safe

[peekawho]

It's probably prostatitis.  Its common, but he needs antibiotics.  

[kitty51]

I agree with haidee I wouldnt delay in getting him to the vet,but is does sound like an infection,but as peekawho says he may need antibotics.Let us know what the vet says.