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Dura-Vent

Generic Name: guaifenesin and phenylpropanolamine
Brands: Ami-Tex LA, Banex-LA, Coldloc-LA, Dayquil Sinus Pressure and Congestion, Despec, Entex LA, Exgest LA, G-Vent, Guaifenex PPA 75, Guaivent, Guiatex LA, Naldecon-EX Pediatric, Nasahist LA, Phentex-LA, Phenylfenesin LA, Poly-Vent, Profen LA, Stamoist LA, Tria


What is the most important information I should know about Dura-Vent?

· Phenylpropanolamine, an ingredient in this product, has been associated with an increased risk of hemorrhagic stroke (bleeding into the brain or into tissue surrounding the brain) in women. Men may also be at risk. Although the risk of hemorrhagic stroke is low, the U.S. Food and Drug Administration (FDA) recommends that consumers not use any products that contain phenylpropanolamine.

· Drink plenty of extra fluids while taking this medication.

· Do not crush or chew the tablets. Swallow them whole or break them in half where they are scored to make them easier to swallow if needed.

 

What is Dura-Vent?

· Guaifenesin is an expectorant. It is used to break up congestion and mucous to make breathing easier. Guaifenesin thins mucous, increases lubrication of the respiratory tract (lungs, nose and throat), and increases the removal of mucous.

· Phenylpropanolamine is a decongestant. It constricts (shrinks) blood vessels (veins and arteries), which reduces swelling of mucous membranes in areas such as the nose and sinuses.

· Dura-Vent is used to treat the symptoms of the common cold and of infections of the sinuses, lungs, and throat.

· Phenylpropanolamine, an ingredient in this product, has been associated with an increased risk of hemorrhagic stroke (bleeding into the brain or into tissue surrounding the brain) in women. Men may also be at risk. Although the risk of hemorrhagic stroke is low, the U.S. Food and Drug Administration (FDA) recommends that consumers not use any products that contain phenylpropanolamine.

· Dura-Vent may also be used for purposes other than those listed in this medication guide.

 

Who should not take Dura-Vent?

· Do not take Dura-Vent if you have taken a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), phenelzine (Nardil), or tranylcypromine (Parnate) in the last 14 days. A dangerous drug interaction could occur, leading to serious side effects.

· Before taking this medication, tell your doctor if you have     ·high blood pressure or any other type of heart disease,     ·diabetes,     ·a peripheral vascular disorder (poor circulation),     ·glaucoma or increased pressure in the eyes,     ·an overactive thyroid, or     ·difficulty urinating or an enlarged prostate.

· You may not be able to take Dura-Vent, or you may require a dosage adjustment or special monitoring during treatment if you have any of the conditions listed above.

· Dura-Vent is in the FDA pregnancy category C. This means that it is not known whether Dura-Vent will harm an unborn baby. Do not take this medication without first talking to your doctor if you are pregnant.

 

· This medication passes into breast milk and may harm a nursing baby. Do not take this medication without first talking to your doctor if you are breast-feeding a baby.

· If you are over 65 years of age, you may be more likely to experience side effects from Dura-Vent. You may require a lower dose of this medication.

· Dura-Vent has not been approved for use by children younger than 6 years of age.

 

How should I take Dura-Vent?

· Take Dura-Vent exactly as directed by your doctor. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.

· Take each dose with a full glass of water. Increasing fluid intake during the day may help relieve congestion.

· Take Dura-Vent with food if it causes stomach upset.

· Do not crush or chew the tablets. Swallow them whole or break them in half where they are scored to make them easier to swallow if needed.

· Store Dura-Vent at room temperature away from moisture and heat.

 

What happens if I miss a dose?

· Take the missed dose as soon as you remember. However, if it is almost time for the next dose, skip the missed dose and take only the next regularly scheduled dose. Do not take a double dose of this medication.

 

What happens if I overdose?

· Seek emergency medical attention.

· Symptoms of a Dura-Vent overdose include vomiting, high blood pressure (headache, redness of face, blurred vision), an irregular heartbeat, and numbness of the fingers or toes.

 

What should I avoid while taking Dura-Vent?

· Use caution when driving, operating machinery, or performing other hazardous activities. Dura-Vent may cause dizziness. If you experience dizziness, avoid these activities.

 

What are the possible side effects of Dura-Vent?

· No serious side effects from Dura-Vent are expected. Seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives).

· Other, less serious side effects may be more likely to occur. Continue to take Dura-Vent and talk to your doctor if you experience     ·dizziness or headache;     ·nervousness, restlessness, or insomnia;     ·nausea or stomach upset; or     ·difficulty urinating.

· Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

 

What other drugs will affect Dura-Vent?

· Do not take Dura-Vent if you have taken a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), phenelzine (Nardil), or tranylcypromine (Parnate) in the last 14 days. A dangerous drug interaction could occur, leading to serious side effects.

· Heart medications such as methyldopa (Aldomet), reserpine (Serpalan, Serpasil), and guanethidine (Ismelin) may have decreased effects. Talk to your doctor before taking Dura-Vent if you are taking any of these medications.

· Do not take other over-the-counter cough, cold, allergy, diet, or sleep aids while taking Dura-Vent without first talking to your doctor or pharmacist. Other medications may also contain guaifenesin, phenylpropanolamine, or other similar drugs. You may accidentally take too much of these medicines.

· Drugs other than those listed here may also interact with Dura-Vent. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines.

 

Where can I get more information?

· Your pharmacist has additional information about Dura-Vent written for health professionals that you may read.


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