Slo-phyllin (Theophylline, Anhydrous) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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February 10, 2012

Slo-phyllin

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...

Read the Chronic Obstructive Pulmonary Disease article »

Slo-phyllin

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Please Note: This Brand Name drug is no longer available in the US.
(Generic versions may still be available.)

DRUG DESCRIPTION

Slo-Phyllin^® Tablets (theophylline tablets, USP) are scored, dye-free tablets providing 100 mg or 200 mg of theophylline, anhydrous, USP.

Slo-Phyllin^® 80mg Syrup (theophylline, anhydrous) is a nonalcoholic sugar-free solution containing per 15 mL theophylline, anhydrous, USP. 80 mg with sodium benzoate, NF, 18 mg and methylparaben, NF, 3 mg added as preservatives.

Both tablets and syrup are intended for oral administration. Theophylline is a bronchodilator structurally classified as a xanthine derivative.

Theophylline is a 1H-Purine-2,6-dione,3,7-dihydro,1,3-dimethyl-. The molecular formula of theophylline, anhydrous is C₇H₈N₄O₂ with a molecular weight of 180.17.

Theophylline is a white odorless crystalline powder having a bitter taste.

Inactive Ingredients (theophylline, anhydrous)

Syrup: Citric acid, FD&C Red No. 40, flavors, glycerin, methylparaben, propylene glycol, saccharin sodium, sodium benzoate, sorbitol, purified water.

Tablets 100 mg: Lactose, magnesium stearate, microcrystalline cellulose, sodium starch glycolate;

Tablets 200 mg: Magnesium stearate, microcrystalline cellulose, sodium starch glycolate.

Last reviewed on RxList: 12/8/2004
This monograph has been modified to include the generic and brand name in many instances.