Taking Doxastad 4 mg prolonged release tablets and associated names with other medicines Tell your doctor if you are already taking any of the following: • Non-steroidal anti-inflammatory drugs (NSAIDs) • Other medicines used in the treatment of high blood pressure • Oestrogens • Dopamine, ephedrine, adrenaline, metaraminol, metoxamine, phenylephrine (medicines used for the treatment of heart problems) • Drugs indicated for the treatment of erectile dysfunction (PDE-5 inhibitor, e. g. sildenafil, tadalafil, vardenafil)