Treats low blood pressure during surgery, shock, or allergic reaction. Also used to correct certain types of uneven heartbeat (paroxysmal supraventricular tachycardia), and helps other medicines work better.
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Tell your doctor if you are using a medicine for depression such as amitriptyline, doxepin, nortriptyline, Elavil®, Pamelor®, or Sinequan®. Also tell your doctor if you are using an MAO inhibitor (MAOI) such as Eldepryl®, Marplan®, Nardil®, or Parnate®. Make sure your doctor knows if you have recently been given other medicines to increase your blood pressure.