Why Injection Pain and How to Reduce Injection Pain

What causes (non infection related) injection pain? The solvents used. Injecting too fast. The shorter the ester, the higher the melting point The concentration of the apparatus. Virgin muscle. Testosterone is deposited deeply into vascular muscle mass. The deltoid (arm), vastus lateralis (thigh), and gluteal muscles (hip/buttocks) are?the most common sites for injections. Some injection […]

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