Take this medication by mouth. Take it as directed on the prescription label at the same time every day. Take it with food. You may cut the tablet in half if it is scored (has a line in the middle of it). This may help you swallow the tablet if the whole tablet is too big. Be sure to take both halves. Do not take just one-half of the tablet. Keep taking it unless your care team tells you to stop. Talk to your care team about the use of this medication in children. While it may be prescribed for children as young as 6 years for selected conditions, precautions do apply.

Side effects that you should report to your care team as soon as possible:

• Allergic reactions-skin rash, itching, hives, swelling of the face, lips, tongue, or throat
• Heart failure-shortness of breath, swelling of the ankles, feet, or hands, sudden weight gain, unusual weakness or fatigue
• Low blood pressure-dizziness, feeling faint or lightheaded, blurry vision
• Raynaud's-cool, numb, or painful fingers or toes that may change color from pale, to blue, to red
• Slow heartbeat-dizziness, feeling faint or lightheaded, confusion, trouble breathing, unusual weakness or fatigue
• Worsening mood, feelings of depression

Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):

• Change in sex drive or performance
• Diarrhea
• Dizziness
• Fatigue
• Headache

Our pharmacists will check to see if this medication will cause any interactions with the information in your profile.

This medication may interact with the following:

• Certain medications for blood pressure, heart disease, irregular heartbeat
• Certain medications for depression, like monoamine oxidase (MAO) inhibitors, fluoxetine, or paroxetine
• Clonidine
• Dobutamine
• Epinephrine
• Isoproterenol
• Reserpine