Lufyllin (Dyphylline) Drug Overview of Side Effects and Precautions for Patients and Caregivers at RxList

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May 27, 2012

Lufyllin

Chronic Obstructive Pulmonary Disease »

What is COPD?

Chronic obstructive pulmonary disease (COPD) is comprised primarily of three related conditions - chronic bronchitis, chronic asthma, and emphysema. In each condition there is chronic obstruction of the flow of air through the airways and out of the lungs, and the obstruction generally is permanent and may be progressive over time.

While asthma features obstruction to the flow of air out of the lungs, usually, the obstruction is reversible. Between "attacks" of asthma the flow of air through the airways typically is normal. These patients do not have COPD. However, if asthma is left untreated, the chronic inflammation associated with this disease can cause the airway obstruction to become fixed. That is, between attacks, the asthmatic patient may then have abnormal air flow. This process is referred to as lung remodeling. These asthma patients with a fixed component of airway obstruction are also considered to have COPD.

Often patien...

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Lufyllin

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Lufyllin Consumer (continued)

SIDE EFFECTS: Stomach pain/cramping, nausea, vomiting, diarrhea, loss of appetite, headache, trouble sleeping, irritability, restlessness, nervousness, shaking, flushing, and increased urination may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur: confusion, dizziness, mental/mood changes, muscle twitching/pain/tenderness, weakness, rapid breathing.

Tell your doctor immediately if any of these rare but very serious side effects occur: fainting, fast/slow/irregular heartbeat, vomit that looks like coffee grounds, dark/tarry stools, blood in urine, seizures.

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, red/scaly skin, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: Before using dyphylline, tell your doctor or pharmacist if you are allergic to it; or to theophylline, theobromine or caffeine; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: glaucoma, diabetes, heart problems (e.g., angina, irregular heartbeat), high blood pressure, kidney disease, seizures, stomach/intestinal ulcer, overactive thyroid (hyperthyroidism).

This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.

Liquid preparations of this product may contain sugar and/or alcohol. Caution is advised if you have diabetes, alcohol dependence, or liver disease. Ask your doctor or pharmacist about using this product safely.

Before having surgery, tell your doctor or dentist that you are using this medication.

Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, caution is advised when using this drug in the elderly because they may be more sensitive to its effects.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

This drug passes into breast milk and may have undesirable effects on a nursing infant (e.g., irritability). Consult your doctor before breast-feeding.