Rioteph (Riociguat) is a prescription medication used to treat adults with pulmonary arterial hypertension (PAH) and chronic thromboembolic pulmonary hypertension (CTEPH). It helps to relax the blood vessels and improve the ability to exercise. Rioteph is easy to take and can be taken with or without food. It comes in tablet form and is available in two strengths. Purchase Rioteph from our online medicine store today to start enjoying the benefits of improved pulmonary circulation.