Small blood vessels under the skin can break when the needle penetrates, producing a bruise, hematoma, or petechiae
The needle is fine gauge, and many people report barely feeling it
In some cases, insurance coverage can also offset part of the cost (though this is more common when the meds are prescribed for diabetes)
Law TH, Davies ES, Pan Y, Zanghi B, Want E, Volk HA
It is also worth checking in if your symptoms have not eased after the usual adjustment window of roughly four to eight weeks, since lingering issues can point to something that deserves a closer look
Thiolglycollate medium (batch number LA0561), red blood cell lysis buffer (batch number R1010), and dimethyl sulfoxide (DMSO, batch number D8371) were purchased from Solarbio