No, unless you are both tested and clear from the possibilities of having STDs-
otherwise certain STDs such as herpes can be transmitted.
Females do not create semen. However, they do create vaginal discharge, which can spread diseases as the above contributor said. Dental dams (for oral contact) and condoms (for penile contact) can be used to prevent disease, but be careful.
Do you know where their penises have been?
It's not the mixture of semen from different men that creates a problem - there's nothing unhealthy about that - but the increased odds of contracting an STD. If you have no way of knowing the guys' sexual history and whether they're clean, you're taking a big risk.
It is safe enough to swallow before or after a vasectomy. It is perfectly fine, and healthy as long as the man is healthy and free of diseases. People will be judgmental about it, but other than that, nothing is wrong with it. People have their own turn-ons, etc. Warning, though, if you haven't tasted it before, the taste can get to you a little!
There is nothing unhealthy about ingesting a man's sperm if they have prostate cancer. Cancer isn't contagious and your body's defenses begin to break it down almost immediately.
The only worry would be if he were to have some type of infection. If he had something like gonorrhea or chlamydia, then you could catch that, but not cancer.
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You might pay attention to some medication used to treat cancer. Some of them can be found in sperm and you might get a little dose by swallowing semen.
yes, the stomach will kill the little sperms.
Assuming it is with your STD free partner, it is safe.
Not if you want it yourself. It's a STI and you can get it through oral sex.
Yes, it is safe, generally speaking, if your partner is disease free.
If you swallow your own semen, then no, you can't get anything new. It's quite safe. It's fairly safe, too, to swallow someone else's semen.
no
Yes
Of course it is. People swallow it all the time -.-
I think it is :)
Yes. The amounts that might possibly be found in his semen are at such trace concentrations it won't do a thing.
Semen analysis would be a part of the initial surgical package when the vasectomy was done.
Infectious diseases can be transmitted for semen so swallowing semen is not consistent with "safe sex". Other than that there is nothing particularly good or bad about it.
No. It's less risky than sharing a needle with someone HIV positive, but it's not "safe".
No. When you swallow the semen, it goes to stomach and digested. Sputum comes from your lungs.
No
The rifampin in the semen will not cause any problems, but their semen may not be safe to ingest. Rifampin is an antibiotic given for many reasons, including STD's. If the rifampin is being given for an STD then it would not be safe to ingest the semen, not because it has the rifampin in it, but because it may still have infectious particles in it.