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What conditions does theophylline treat

Patients should and refrain from exercise until the diagnosis of or tendon rupture has been confidently excluded. Tendon rupture can occur at anytime during or after therapy with enoxacin. International Journal of Cosmetic Science: “Cellulite and its treatment. For various North American patient populations from literature reports. Different rates of elimination and consequent dosage requirements have been observed among other peoples. Clearance represents the volume of blood completely cleared of theophylline by the liver in one minute. Remember that your doctor has prescribed this because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication not have serious side effects. torsemide

Theophylline side effects

ZYFLO 600 mg four times daily, or placebo. Overview: Theophylline is rapidly and completely absorbed after oral administration in solution or immediate-release solid oral dosage form. Theophylline does not undergo any appreciable pre-systemic elimination, distributes freely into fat-free tissues and is extensively metabolized in the liver. Sometimes it is not safe to use certain drugs at the same time. Many drugs can interact with theophylline. Tell your doctor about all other medicines you use. Also tell your doctor if you start or stop using any of your other medications. Radomski L, Park GD, Goldberg MJ, Spector R, Johnson GF, Quee CK. Model for theophylline overdose treatment with oral activated charcoal.

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What are the possible side effects of ZYFLO? This information is generalized and not intended as specific medical advice. Marchlinski FE, Miller JM "Atrial arrhythmias exacerbated by theophylline: response to verapamil and evidence for triggered activity in man. Patients are frequently sensitized to ethylenediamine through topical use, as it is used as a preservative in some topical preparations. These patients are generally able to tolerate plain theophylline preparations.

What other drugs will affect theophylline

Higher incidence of toxicity in cirrhosis patients. Cautious dosage adjustments are advised with serum level monitoring. Treatment of cardiac arrhythmias: Sinus tachycardia and simple ventricular premature beats are not harbingers of life-threatening arrhythmias, they do not require treatment in the absence of hemodynamic compromise, and they resolve with declining serum Theophylline concentrations. Other arrhythmias, especially those associated with hemodynamic compromise, should be treated with antiarrhythmic therapy appropriate for the type of arrhythmia. Pentoxifylline: May increase the serum concentration of Theophylline Derivatives.



Wort may result in Theophylline toxicity

Cardiovascular side effects have included increases in heart rate which have progressed to supraventricular tachycardia or ventricular tachycardia. Patients with a history of arrhythmias may be predisposed to this effect. Hypotension has occurred with rapid intravenous administration. Efficacy for this organism in this system at the recommended dose was studied in fewer than ten infections. The dosage regimens for complicated and uncomplicated urinary tract infections are different. Patients with more rapid metabolism, clinically identified by higher than average dose requirements, should receive a smaller dose more frequently to prevent breakthrough symptoms resulting from low trough concentrations before the next dose. A reliably absorbed slow-release formulation will decrease fluctuations and permit longer dosing intervals. Treat overdose as indicated see recommendations for chronic overdosage. If theophylline is subsequently resumed, decrease dose by at least 50% and recheck serum concentration after 3 days to guide further dosage adjustment. Stop infusion for 24 hours and decrease subsequent infusion rate at least 25%. If symptomatic, stop infusion and consider whether overdose treatment is indicated. DexPak are often used during asthma flares to provide prompt relief for patients. Although very effective, these medications have many side effects and are only used when absolutely necessary. Some patients with severe asthma, however, may require oral steroids frequently or even on a daily basis. Refer to for further information regarding table. The steady-state peak serum Theophylline concentration is a function of the dose, the dosing interval, and the rate of Theophylline absorption and clearance in the individual patient. For a given population there is no single Theophylline dose that will provide both safe and effective serum concentrations for all patients. Administration of the median Theophylline dose required to achieve a therapeutic serum Theophylline concentration in a given population may result in either sub-therapeutic or potentially toxic serum Theophylline concentrations in individual patients. Pediatrics: The clearance of Theophylline is very low in neonates see . Theophylline clearance reaches maximal values by one year of age, remains relatively constant until about 9 years of age and then slowly decreases by approximately 50% to adult values at about age 16. Renal excretion of unchanged Theophylline in neonates amounts to about 50% of the dose, compared to about 10% in children older than three months and in adults. Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. Therapy with theophyllines should be administered cautiously in patients presenting with one or more of these risk factors, and the dosage should be appropriately reduced to prevent toxicity. More intensive monitoring of serum theophylline concentrations may be required. Zileuton: May increase the serum concentration of Theophylline. Management: Reduce theophylline dose by 50% upon initiation of zileuton therapy. If theophylline is added to existing zileuton therapy, use a lower starting dose. Monitor for increased serum concentrations and effects of theophylline. In patients with chronic asthma, including patients with severe asthma requiring inhaled corticosteroids or alternate-day oral corticosteroids, many clinical studies have shown that Theophylline decreases the frequency and severity of symptoms, including nocturnal exacerbations, and decreases the “as needed” use of inhaled beta-2 agonists. Theophylline has also been shown to reduce the need for short courses of daily oral prednisone to relieve exacerbations of airway obstruction that are unresponsive to bronchodilators in asthmatics. Table IV. Manifestations of theophylline toxicity.



What are the possible side effects of theophylline

Beta-Blockers Beta1 Selective: May diminish the bronchodilatory effect of Theophylline Derivatives. Management: Monitor for reduced theophylline efficacy during concomitant use with any beta-blocker. Beta-1 selective agents are less likely to antagonize theophylline than nonselective agents, but selectivity may be lost at higher doses. Theophylline required to achieve a therapeutic serum Theophylline concentration will be larger. Discontinuation of a concomitant drug that increases Theophylline clearance will result in accumulation of Theophylline to potentially toxic levels, unless the Theophylline dose is appropriately reduced. Discontinuation of a concomitant drug that inhibits Theophylline clearance will result in decreased serum Theophylline concentrations, unless the Theophylline dose is appropriately increased. The drugs listed in Table II have the potential to produce clinically significant pharmacodynamic or pharmacokinetic interactions with theophylline. The information in the "Effect " column of Table II assumes that the interacting drug is being added to a steady-state theophylline regimen. Theophylline only rarely alters the pharmacokinetics of other drugs. The drugs listed in Table II have the potential to produce clinically significant pharmacodynamic or pharmacokinetic interactions with theophylline. The information in the "Effect" column of Table II assumes that the interacting drug is being added to a steady-state theophylline regimen. Beta-2 blocking effect may decrease efficacy of Theophylline. Vesicant; ensure proper needle or catheter placement prior to and during IV infusion. Avoid extravasation. Drug Interactions with the potential for pharmacokinetic and pharmacodynamic interaction. Protein binding may be decreased in the elderly resulting in an increased proportion of the total serum Theophylline concentration in the pharmacologically active unbound form. Elderly patients also appear to be more sensitive to the toxic effects of Theophylline after chronic overdosage than younger patients. Berlinger WG, Spector R, Goldberg MJ, Johnson GF, Quee CK, Berg MJ. Enhancement of theophylline clearance by oral activated charcoal. Benzodiazepines increase CNS concentrations of adenosine, a potent CNS depressant, while theophylline blocks adenosine receptors. Theophylline clearance may be further reduced by concomitant diseases prevalent in the elderly, which further impair clearance of this drug and have the potential to increase serum levels and potential toxicity. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist. Theophylline: Hepatic via demethylation CYP 1A2 and hydroxylation CYP 2E1 and 3A4; forms active metabolites caffeine and 3-methylxanthine. Keep ZYFLO and all medicines out of the reach of children. This medication must be used regularly to be effective. It does not work right away and should not be used to relieve sudden breathing problems. If sudden shortness of breath occurs, use your quick-relief inhaler as prescribed. phenazopyridine



Theophylline drug interactions

Decreases theophylline clearance by inhibiting hydroxylation and demethylation. Theophylline serum concentrations are a significant predictor of arrhythmias. Food and Drug Administration. WebMD does not endorse any specific product, service, or treatment. SDwhere actual range not reported. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist. laxy.info fluoxetine



How should i take theophylline

If side effects still bother you and you wonder if you should keep taking the medicine, call your doctor. He or she may be able to lower your dose or change your medicine. Note: Serum Theophylline concentrations may continue to increase after presentation of the patient for medical care. How should I take theophylline? Theophylline passes freely across the placenta, into breast milk and into the cerebrospinal fluid CSF. Saliva Theophylline concentrations approximate unbound serum concentrations, but are not reliable for routine or therapeutic monitoring unless special techniques are used. An increase in the volume of distribution of Theophylline, primarily due to reduction in plasma protein binding, occurs in premature neonates, patients with hepatic cirrhosis, uncorrected acidemia, the elderly and in women during the third trimester of pregnancy. Institute supportive care, including establishment of intravenous access, maintenance of the airway, and electrocardiographic monitoring. Maintain infusion rate if dosage is tolerated and symptoms controlled. Recheck serum concentrations at 24-hour intervals. If symptoms are not controlled and dosage is tolerated, consider adding additional medications to treatment regimen. Sulfinpyrazone: May decrease the serum concentration of Theophylline Derivatives. Elderly: Use extreme caution in the elderly; these patients are at greater risk of serious theophylline toxicity. What other drugs will affect theophylline Uniphyl? neurontin cost at walmart pharmacy



Use ideal body weight for obese patients

Increasing the rate of Theophylline clearance by extracorporeal methods may rapidly decrease serum concentrations, but the risks of the procedure must be weighed against the potential benefit. Charcoal hemoperfusion is the most effective method of extracorporeal removal, increasing Theophylline clearance up to sixfold, but serious complications, including hypotension, hypocalcemia, platelet consumption and bleeding diatheses may occur. Hemodialysis is about as efficient as multiple-dose oral activated charcoal and has a lower risk of serious complications than charcoal hemoperfusion. Hemodialysis should be considered as an alternative when charcoal hemoperfusion is not feasible and multiple-dose oral charcoal is ineffective because of intractable emesis. Other factors associated with decreased theophylline clearance include the third trimester of pregnancy, sepsis with multiple organ failure, and hypothyroidism. Careful attention to dose reduction and frequent monitoring of serum theophylline concentrations are required in patients with any of these conditions see . Other factors associated with increased theophylline clearance include hyperthyroidism and cystic fibrosis. Serious. These medicines may interact and cause very harmful effects. Once theophylline enters the systemic circulation, about 40% is bound to plasma protein, primarily albumin. Unbound theophylline distributes throughout body water, but distributes poorly into body fat. Serum theophylline and phenytoin concentrations decrease about 40%. Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take. Patients who have received aminophylline or theophylline in the previous 24 hours: A loading dose should not be given before obtaining a serum theophylline concentration. White to off-white, Capsule shaped, uncoated tablet, with break line and debossing with 'HP62” on one side and plain on other side. Dosage reduction may alleviate the caffeine-like adverse effects in these patients, however, persistent adverse effects should result in a reevaluation of the need for continued Theophylline therapy and the potential therapeutic benefit of alternative treatment. Tablets theophylline, anhydrous have been extensively studied. For a given population there is no single theophylline dose that will provide both safe and effective serum concentrations for all patients. Administration of the median theophylline dose required to achieve a therapeutic serum theophylline concentration in a given population may result in either sub-therapeutic or potentially toxic serum theophylline concentrations in individual patients. Deferasirox: May increase the serum concentration of Theophylline. Breo. These medications are available for delivery by inhaler.



Prescribing information for theophylline

Note: Recheck serum theophylline levels after 3 days when using oral dosing, or after 12 hours children or 24 hours adults when dosing intravenously. Patients maintained with oral therapy may be reassessed at 6- to 12-month intervals. Every effort has been made to ensure that the information provided by Cerner Multum, Inc. 'Multum' is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Table VI. Dosage adjustment guided by serum theophylline concentration. Theophylline clearance is altered by another drug resulting in increased or decreased serum Theophylline concentrations. Theophylline only rarely alters the pharmacokinetics of other drugs. Whenever signs or symptoms of theophylline toxicity are present. Extravasation: Vesicant; ensure proper catheter or needle position prior to and during infusion. Avoid extravasation. Calculate doses based on lean body weight. Base dose adjustments on improved clinical response and improvement in pulmonary function with careful monitoring of serum levels. IDEA Fitness Journal: “Cellulite: A review of its anatomy, physiology and treatment. Severe cases, sometimes without previous warning, have led to cardiac arrhythmias, intractable seizures, and death. The clinical importance of these changes should be weighed against the potential therapeutic benefit of theophylline in individual patients. AtoMOXetine: May enhance the hypertensive effect of Sympathomimetics. AtoMOXetine may enhance the tachycardic effect of Sympathomimetics. Off-label use: For reversal of adenosine-, dipyridamole-, or regadenoson-induced adverse events during nuclear cardiac stress testing, administer IV undiluted over 30 to 60 seconds, repeat as necessary. Doing so can release all of the drug at once, increasing the risk of side effects. Also, do not split the tablets unless they have a score line and your doctor or tells you to do so. Swallow the whole or split tablet without crushing or chewing. Store at room temperature away from light and moisture. not store in the bathroom. Keep all away from children and pets. ibuprofen purchase online store canada



Indications and usage of theophylline

Serious adverse effects in the infant are unlikely unless the mother has toxic serum theophylline concentrations. In neonates, approximately 50% of the theophylline dose is excreted unchanged in the urine. Beyond the first three months of life, approximately 10% of the theophylline dose is excreted unchanged in the urine. Adverse events were observed in some animal reproduction studies. Theophylline crosses the placenta. Refer to Theophylline monograph for additional information. Administer multiple dose oral activated charcoal and measures to control emesis. LTB4, LTC4, LTD4, and LTE4 formation. In patients with end-stage renal disease, 3-methylxanthine may accumulate to concentrations that approximate the unmetabolized Theophylline concentration. Caffeine concentrations are usually undetectable in adults regardless of renal function. In neonates, caffeine may accumulate to concentrations that approximate the unmetabolized Theophylline concentration and thus, exert a pharmacologic effect. Guarana has among the highest concentrations of in any plant. Treatment of seizures: Because of the high morbidity and mortality associated with Theophylline-induced seizures, treatment should be rapid and aggressive. ZYFLO is taken four times a day with or without food. Phenytoin increases Theophylline clearance by increasing microsomal enzyme activity. Theophylline decreases phenytoin absorption. So a person with COPD who continues to smoke may need larger doses of the medicine. The difference between a dose of theophylline that helps improve symptoms and a dangerous dose one that causes serious side effects is small. Theophylline also has significant interactions with other prescribed medicines, which can make it less effective and potentially life-threatening. tinidazole buy payment australia



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Side effects of theophylline


People of all sizes can have cellulite

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. Hold each position for 5 minutes to help the mucus drain from your lungs. Table II. Clinically significant drug interactions with Theophylline. Elderly patients are at significantly greater risk of experiencing serious toxicity from theophylline than younger patients due to pharmacokinetic and pharmacodynamic changes associated with aging. Theophylline clearance is reduced in patients greater than 60 years of age, resulting in increased serum theophylline concentrations in response to a given theophylline dose. Protein binding may be decreased in the elderly resulting in a larger proportion of the total serum theophylline concentration in the pharmacologically active unbound form. Elderly patients also appear to be more sensitive to the toxic effects of theophylline after chronic overdosage than younger patients. generic clozaril mail order pharmacy

Important information

International Journal of Dermatology: “Subcision: a treatment for cellulite. The actions of methylxanthines are not completely known. Once-Daily Dosing: The slow absorption rate of this preparation may allow once-daily administration in adult non-smokers with appropriate total body clearance and other patients with low dosage requirements. Once-daily dosing should be considered only after the patient has been gradually and satisfactorily titrated to therapeutic levels with q12h dosing. Once-daily dosing should be based on twice the q12h dose and should be initiated at the end of the last q12h dosing interval. eldepryl

Theophylline ingredients

Chromones stabilize mast cells allergic cells but are rarely used in clinical practice. Cromolyn and nedocromil are in this drug class. It shows up less on darker skin. So if you have light skin, a self-tanner may make the bumps and dimples harder to spot. There are other ways to get rid of cellulite. Some work better than others. Theophylline toxicity: If a patient develops signs and symptoms of theophylline toxicity eg, persistent, repetitive vomiting a serum level should be measured and subsequent doses held. Enhance Clearance of Theophylline.

Not reported in a comparable manner

Get medical help right away if your asthma symptoms worsen or if you are using your quick-relief inhaler more than usual or more often than prescribed. Treatment of Cardiac Arrhythmias. The most common causes of chronic theophylline overdosage include patient or care giver error in dosing, clinician prescribing of an excessive dose or a normal dose in the presence of factors known to decrease the rate of theophylline clearance, and increasing the dose in response to an exacerbation of symptoms without first measuring the serum theophylline concentration to determine whether a dose increase is safe.

Cigarette smoking may decrease the effectiveness of theophylline. Ask your doctor or pharmacist about using this product safely. Anti-IgE can be used in moderate to severe allergic asthma. Omalizumab Xolair is an anti-IgE medication. This noninvasive procedure freezes and kills fat cells.

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