Call your provider if you experience any of the following:

• Allergic reaction: itching or hives, swelling in the hands, face, mouth, tingling in the mouth, tightness in the chest, trouble breathing
• Chest pain
• Blurred vision
• Fast, slow or irregular heartbeat
• Lightheadedness, fainting or unusual headache
• Painful, prolonged erection of the penis, not caused by sexual arousal
• Problems with urination
• Stomach pain, loss of appetite, dark-colored urine
• Swelling in the feet, ankles or hands
• Unusual bleeding or bruising
• Breast enlargement or swelling
• Joint or muscle pain
• Nausea, vomiting, diarrhea or constipation
• Sexual problems
• Runny or stuffy nose
• Excessive sweating
• Tiredness
• Weight gain

• Do not drink alcohol while using this medication.
• You may feel dizzy or lightheaded, and fainting may occur with your first dose.
• Take this medication at bedtime unless otherwise directed by your provider.
• Avoid driving or using dangerous machinery if you are not alert.
• Your dose may need to be changed several times inorder to find what is the right dose for you.