Theophylline extended-release tablets are indicated for the treatment of the symptoms and reversible airflow obstruction associated with chronic asthm.
ما تقوله النشرة الرسمية. إذا وصفه لك طبيب، فاتبع الوصفة. وإذا اختلفت نشرة عبوتك، فالأولوية لها.
Theophylline extended-release tablets are indicated for the treatment of the symptoms and reversible airflow obstruction associated with chronic asthma and other chronic lung diseases, e.g., emphysema and chronic bronchitis.
Elderly patients are at a significantly greater risk of experiencing serious toxicity from theophylline than younger patients due to pharmacokinetic and pharmacodynamic changes associated with aging. The clearance of theophylline is described by an average of 30% in healthy elderly adults (>60 yrs) compared to healthy young adults. …
Theophylline extended-release tablets are contraindicated in patients with a history of hypersensitivity to theophylline or other components in the product.
Drug-Drug Interactions: Theophylline interacts with a wide variety of drugs. The interaction may be pharmacodynamic, i.e., alterations in the therapeutic response to theophylline or another drug or occurrence of adverse effects without a change in serum theophylline concentration. More frequently, however, the interaction is pharmacokinetic, i.e., the rate of theophylline clearance is altered by another drug resulting in increased or decreased serum theophylline concentrations. Theophylline only rarely alters the pharmacokinetics of other drugs. …
Concurrent Illness: Theophylline should be used with extreme caution in patients with the following clinical conditions due to the increased risk of exacerbation of the concurrent condition: Active peptic ulcer disease Seizure disorders Cardiac arrhythmias (not including bradyarrhythmias) Conditions that Reduce Theophylline Clearance: There are several readily identifiable causes of reduced theophylline clearance. If the total daily dose is not appropriately reduced in the presence of these risk factors, severe and potentially fatal theophylline toxicity can occur. …
Adverse reactions associated with theophylline are generally mild when peak serum theophylline concentrations are 300 mg/day in adults and >12 mg/kg/day in children beyond 1 year of age). During the initiation of theophylline therapy, caffeine-like adverse effects may transiently alter patient behavior, especially in school age children, but this response rarely persists. Initiation of theophylline therapy at a low dose with subsequent slow titration to a predetermined age-related maximum dose will significantly reduce the frequency of these transient adverse effects (see DOSAGE AND ADMINISTRATION, Table V ). In a small percentage of patients (
Pregnancy: Teratogenic Effects: In studies in which pregnant mice, rats and rabbits were dosed during the period of organogenesis, theophylline produced teratogenic effects. In studies with mice, a single intraperitoneal dose at and above 100 mg/kg (approximately equal to the maximum recommended oral dose for adults on a mg/m 2 basis) during organogenesis produced cleft palate and digital abnormalities. …
General: The chronicity and pattern of theophylline overdosage significantly influences clinical manifestations of toxicity, management and outcome. There are two common presentations: (1) acute overdose , i.e., ingestion of a single large excessive dose (>10 mg/kg) as occurs in the context of an attempted suicide or isolated medication error, and (2) chronic overdosage , i.e., ingestion of repeated doses that are excessive for the patient's rate of theophylline clearance. …
تناولها عندما تتذكر، إلا إذا اقترب موعد الجرعة التالية. عندها تخطَّ الجرعة المنسية. لا تتناول جرعتين معًا أبدًا للتعويض. راجع النشرة، فبعض الأدوية مختلفة.
Products with Theophylline as the active ingredient. Names differ between countries.
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Theophylline extended-release tablets are indicated for the treatment of the symptoms and reversible airflow obstruction associated with chronic asthma and other chronic lung diseases, e.g., emphysema and chronic bronchitis. (From the official U.S. FDA label.)
Follow your prescription or the leaflet in your pack. The official label says: Taking theophylline extended-release tablets immediately after a high-fat content meal may result in a somewhat higher C max and delayed T max and somewhat greater extent of absorption. However, the differences are usually not great and this product may normally be administered without regard to meals (see CLINICAL PHARMACOLOGY, Drug interactions, Drug-Food Interactions ). Theo…
Usually yes. Theophylline is a prescription medicine in most countries. Rules differ by country.
Theophylline is sold under names such as Theo-24, Elixophyllin. Brand names differ between countries.
The official label lists: Adverse reactions associated with theophylline are generally mild when peak serum theophylline concentrations are 300 mg/day in adults and >12 mg/kg/day in children beyond 1 year of age). During the initiation of theophylline therapy, caffeine-like adverse effects may transiently alter patient behavior, especially in school age children, but this response rarely persists. Initi… Tell your doctor about any side effect that bothers you or does not go away.
Theophylline is safe and effective for the approved indications in pediatric patients. The maintenance dose of theophylline must be selected with caution in pediatric patients since the rate of theophylline clearance is highly variable across the pediatric age range (see CLINICAL PHARMACOLOGY, Table I, WARNINGS, and DOSAGE AND ADMINISTRATION, Table V ). Always use the dose for the child's age or weight on the pack or prescription.
Pregnancy: Teratogenic Effects: In studies in which pregnant mice, rats and rabbits were dosed during the period of organogenesis, theophylline produced teratogenic effects. In studies with mice, a single intraperitoneal dose at and above 100 mg/kg (approximately equal to the maximum recommended oral dose for adults on a mg/m 2 basis) during organogenesis produced cleft palate… Ask your doctor or midwife first.
Drug-Drug Interactions: Theophylline interacts with a wide variety of drugs. The interaction may be pharmacodynamic, i.e., alterations in the therapeutic response to theophylline or another drug or occurrence of adverse effects without a change in serum theophylline concentration. More frequently, however, the interaction is pharmacokinetic, i.e., the rate of theophylline clear… Use the free interaction checker before combining medicines.
General: The chronicity and pattern of theophylline overdosage significantly influences clinical manifestations of toxicity, management and outcome. There are two common presentations: (1) acute overdose , i.e., ingestion of a single large excessive dose (>10 mg/kg) as occurs in the context of an at… Get medical help right away.
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This page shows what official sources say, in plain words. It is not medical advice: your prescription and your doctor or pharmacist come first. Brand names, strengths and rules differ between countries.