Duvadilan is a vasodilator and is used to treat a variety of conditions associated with poor circulation, including dilating blood vessels in the extremities, which improves blood flow and relieves symptoms such as pain in the legs and feet when walking. It is used to relieve symptoms of Raynaud's disease, a condition that causes spasm of the blood vessels in the fingers and toes, leading to a feeling of coldness and numbness.
Duvadilan is used to improve blood flow to the brain, which may help treat some cases of cerebral ischemia. It is used to improve blood flow to the uterus and help prevent premature birth.