by vahavta F Edge Player

All the risks below are possibilities of the listed activity. They are listed in no particular order. Please do not consider it to be exhaustive or use it as your sole determining factor when it comes to your safety. Some risk possibilities must nearly always be considered; a few of these can be found here. Additionally, please note that the list below does not account for acts of intentional malice or for every complicating medical condition.

Possible mitigation strategies or more information sometimes appear under risks when given. These should not be considered solutions that bring a risk to 0%, nor should they be considered the only possible solutions or information. Likewise, lack of a mitigation strategy or research being listed does not mean none exists.

Many risks seen in blood, cutting, sharps, and scars

Bruising

See a post here about three weeks of facial bruising from needles.

Infection, blood poisoning--due to both piercer equipment as well as existing skin flora of receiver

Nerve damage

Needles under nails may damage extensor tendon if pushed too deep

Difficult to return bottom to normal state quickly in case of safeword use

Needles hitting vans deferens may cause infertility

Needles in penis can collapse or block urethra

Specific to sewn/stapled/needled mouths: what happens if vomit?

Sutures risk ripping skin if tension too tight

Possibility of ink transfer if designs are drawn on and cut/needled over

Pathergy -- Blistering or sores that result as an immune response to punctures of the skin

Those with severe latex allergies are at risk from the small amount of latex used to secure a needle to its hub