What type of current is specifically used in the treatment of telangiectasia?

The treatment of telangiectasia commonly employs diathermy, which utilizes a specific type of electrical current to generate heat in body tissues. This heat is effective in coagulating blood vessels and promoting their closure, which is essential for reducing the appearance of these small, dilated blood vessels on the skin.

Diathermy is advantageous in this context because it facilitates deeper tissue heating and can specifically target problematic vascular areas without damaging surrounding tissues. This is in contrast to microcurrent, galvanic current, and alternating current, which have different therapeutic applications and effects. Microcurrent is often used for skin tightening and rejuvenation, galvanic current mainly focuses on iontophoresis and product penetration, and alternating current is typically used for various other electrical therapies but not specifically for treating telangiectasia.