• If you have an allergy to guanfacine or any other part of this medicine.
• Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.
• Guanfacine decreases the body's release of adrenaline and other hormones that increase blood pressure, heart rate, and anxiety.
• It has a stabilizing effect in children with attention deficit disorder.
• Take this medicine with or without food. Take with food if it causes an upset stomach.
Long-acting tablets:
• Swallow whole. Do not chew, break, or crush.
• Avoid taking this medicine with high-fat meals.
• Take a missed dose as soon as possible.
• If it is almost time for the next dose, skip the missed dose and return to your regular schedule.
• Do not take a double dose or extra doses.
• Do not change dose or stop medicine. Talk with healthcare provider.
• Change in condition being treated. Is it better, worse, or about the same?
• Check blood pressure and heart rate regularly. Talk with healthcare provider.
• Dry mouth may cause an increase in cavities. Take good care of your teeth. See a dentist regularly.
• Follow up with healthcare provider.
• Store at room temperature.
• Protect from moisture. Do not store in a bathroom or kitchen.
• If you have a life-threatening allergy, wear allergy identification at all times.
• Do not share your medicine with others and do not take anyone else's medicine.
• Keep all medicine out of the reach of children and pets.
• Most medicines can be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.
• Keep a list of all your medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).
• Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or in Canada to Health Canada's Canada Vigilance Program at 1-866-234-2345.
• Talk with healthcare provider before starting any new medicine, including over-the-counter, natural products, or vitamins.
• Read the package insert for more details.
Created: 2006-10-13 12:58:58.0
Modified: 2010-05-06 14:48:22.0
Lexi-PALS TM © (1977)-(2007) Lexi-Comp, Inc. All rights reserved.
• This medicine is used to treat high blood pressure.
• This medicine is used to treat attention deficit disorder with hyperactivity.
• If you have been taking this medicine for several weeks, talk with healthcare provider before stopping. You may want to gradually withdraw this medicine.
• Do not run out of this medicine.
• Wear disease medical alert identification.
• You may have certain heart tests before starting this medicine. Talk with healthcare provider.
• If you are 65 or older, use this medicine with caution. You could have more side effects.
• Check medicines with healthcare provider. This medicine may not mix well with other medicines.
• Avoid alcohol (includes wine, beer, and liquor) or other medicines and natural products that slow your actions and reactions.
• If you are taking this medicine and have high blood pressure, talk with healthcare provider before using over-the-counter products that may increase blood pressure. These include cough or cold remedies, diet pills, stimulants, ibuprofen or like products, and certain natural products or supplements.
• You may not be alert. Avoid driving, doing other tasks or activities until you see how this medicine affects you.
• Be careful in hot weather. Drink plenty of fluids to prevent dehydration.
• Tell healthcare provider if you are pregnant or plan on getting pregnant.
• Tell healthcare provider if you are breast-feeding.
• Headache.
• Feeling dizzy. Rise slowly over several minutes from sitting or lying position. Be careful climbing.
• Feeling lightheaded, sleepy, having blurred vision, or a change in thinking clearly. Avoid driving, doing other tasks or activities that require you to be alert or have clear vision until you see how this medicine affects you.
• Constipation. More liquids, regular exercise, or a fiber-containing diet may help. Talk with healthcare provider about a stool softener or laxative.
• Dry mouth. Frequent mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.
• Change in sexual ability or desire. This is usually reversible.
• If you suspect an overdose, call your local poison control center or emergency department immediately.
• Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.
• Severe dizziness or passing out.
• Severe constipation.
• Feeling extremely tired or weak.
• Any rash.
• No improvement in condition or feeling worse.