Most insurance polices, including Medicare, cover at least part of the costs of a VCD, especially if a medical cause for the erection problem has been documented. Medicaid, however, does not cover VCDs. Injection Therapy Injection therapy also can be used to treat medically caused erection problems resulting from poor circulation to the penis or from nerve damage. In this treatment program, a man learns how to inject medication into the shaft of the penis. The medication used varies.
Some men use a combination of all three drugs.
These drugs relax the smooth muscles in the penis, promoting blood flow. A combination of a low dose of medication pulse the excitement and physical simulation of foreplay can often produce a firm erection. The erection may last for a while even after ejaculation and become completely soft only when the medicine wears off. In rare cases, the erection may stay firm for more than 3 hours, which results in a medical emergency. The man must then go to the emergency room, where a physician may need to inject other medication into the penis to reverse the erection.