Instructions

Swallow the medicine without crushing or chewing it.

This medicine may be taken with or without food.

To relieve dry mouth, chew gum, suck on hard candy/ice chips, drink extra water, or use a saliva substitute.

This medicine will work best if you take it at about the same time every day.

Store at room temperature away from heat, light, and moisture. Do not keep in the bathroom.

Drink plenty of water while on this medicine.

If you forget to take a dose on time, take it as soon as you remember. If you don't remember until the next day, do not take the missed dose. Return to your normal dosing schedule. Do not take 2 doses of this medicine at one time.

Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.

Tell your doctor if symptoms do not get better or if they get worse.

Keep all appointments for medical exams and tests while on this medicine.

Cautions

Avoid touching any powder from an open or broken capsule. If the powder touches the skin, nose, or eyes, rinse thoroughly with water.

Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.

This medicine is associated with an increased risk of serious heart problems, heart attack, and stroke. Please speak with your doctor about the risks and benefits of using this medicine. Contact your doctor immediately if you experience chest pain or difficulty breathing.

Do not use the medication any more than instructed.

This medicine may cause dizziness or fainting. Do not stand or sit up quickly.

Your ability to stay alert or to react quickly may be impaired by this medicine. Do not drive or operate machinery until you know how this medicine will affect you.

Please check with your doctor before drinking alcohol while on this medicine.

Tell the doctor or pharmacist if you are pregnant, planning to be pregnant, or breastfeeding.

If you have a painful erection or an erection for more than 4 hours, seek medical care right away.

Do not share this medicine with anyone who has not been prescribed this medicine.

Some patients have serious side effects from this medicine. Ask your pharmacist to show you the information from the Food and Drug Administration (FDA) and discuss it with you.

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

• agitated feeling or trouble sleeping
• decreased appetite
• constipation
• dizziness or drowsiness
• lack of energy and tiredness
• high blood pressure
• menstruation changes (missed or fewer periods)
• nausea and vomiting
• problems with sexual functions or desire
• stomach upset or abdominal pain
• weight loss

Call your doctor or get medical help right away if you notice any of these more serious side effects:

• blurry vision
• chest or jaw pain
• confusion
• fainting
• numbness or tingling in hands and feet
• fast or irregular heart beats
• signs of liver damage (such as yellowing of eye or skin, dark urine, or unusual tiredness)
• restlessness
• shortness of breath
• slurred speech
• sweating
• difficulty or discomfort urinating
• weakness on one side of the body

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.