Cigarette smoke theophylline
WebThe pharmacokinetics of theophylline were examined in a group of nonsmokers and in heavy smokers (1 to 2 packs/day) before and 3 to 4 mo after cessation of cigarette smoking. The half-life of theophylline in smokers averaged 4.3 (SD = 1.4) hr, significantly shorter than the mean value in nonsmokers (7.0, SD = 1.7 hr). WebTheophylline (Elixophyllin, Theo-24) is a bronchodilator prescribed for the treatment of asthma and other airway conditions. Side effects, drug interactions, dosage, and …
Cigarette smoke theophylline
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WebAug 31, 2024 · Tell your doctor if you drink alcohol, or if you smoke or have recently quit smoking cigarettes or marijuana. Also tell your doctor if you have been sick with a high … Applies to theophylline: oral capsule extended release 24 hr, oral elixir, oral … The methylxanthines, theophylline, and dyphylline are used in the treatment of … Theophylline, USP occurs as a white crystalline powder. Anhydrous … Theophylline works best if there is a constant amount in the blood. To keep … Theophylline Interactions. There are 282 drugs known to interact with … Theophylline Breastfeeding Warnings. The manufacturer makes no … Theophylline rapidly equilibrates between plasma and milk. Peak milk levels occur … Theophylline Prices, Coupons and Patient Assistance Programs. Theophylline is a … WebIn a prospective study in 73 patients with obstructive pulmonary disease, aged 63.5±13.5 years (SD), it was found that theophylline dose, cigarette smoking and age were all significant determinants of the steady-state trough plasma theophylline level during oral administration of the drug. As the predictive efficiency of the three factors combined …
WebDrug interactions with tobacco smoke: Implications for patient care . Current Psychiatry. 2013 January;12(1):12-16. By Martha P. Fankhauser, MS Pharm, FASHP, BCPP WebTheophylline disposition was examined in seven passive smokers, defined as nonsmokers with long-term exposure to cigarette smoke, and seven age-matched nonsmokers with minimal smoke exposure. Subjects were given an intravenous infusion of aminophylline (6 mg/kg) and blood samples were drawn before and during the 48-hour postinfusion period.
WebAnalyses of urinary metabolites revealed that clearance to l-methyluric acid (Cl1MU) and clearance to 3-methylxanthine (Cl3MX) were increased in smokers 1.99-fold and 2.10-fold over nonsmoking controls (P less than 0.005). Clearance to 1.3-dimethyluric acid (ClDMU) was also enhanced in smokers 1.68-fold compared to controls (P less than 0.01). WebNov 14, 2015 · Drugs for which induced metabolism because of cigarette smoking may have clinical consequence include theophylline, caffeine, tacrine, imipramine, haloperidol, pentazocine, propranolol, flecainide ...
WebWhen cigarette smokers with chronic lung disease stop smoking, they may do so with the aid of chewing nicotine gum. Smoking is known to accelerate the metabolism of theophylline, but the effects of nicotine gum on theophylline metabolism have not been determined. We studied the effects of nicotine a …
Webabout their smoking and the extent of their cigarette consumption.16 Clozapine and olanzapine Cigarette smoking induces the metabolism of Introduction Despite anti-smoking campaigns, there are about 1.3 billion cigarette smokers worldwide and this number is still increasing.1 Both smoking prevalence and daily tobacco consumption are … can mice get into dishwasherWebCigarette smoking induces hepatic microsomal enzyme activity, decreasing serum half-life and increasing body clearance of theophylline. An increase of dosage from 50–100% is … can mice get through cat flapsWebMay 16, 2016 · With smoking cessation, the risk of harming the patient still exists, as abruptly stopping cigarette smoking can make a patient feel uncomfortable and may even cause additional harm. ... Theophylline (Theo-24) Since these medications are substrates of the enzyme being induced (CYP1A2), smoking will lower the drug concentration of … fixed string trimmerWebDocument: BACKGROUND: Chronic bronchitis is a disease of the bronchi that is manifested by cough and sputum expectoration occurring on most days for at least 3 months of the year and for at least 2 consecutive years when other respiratory or cardiac causes for the chronic productive cough are excluded. The disease is caused by an interaction between … fixedsurewin.comWeb(Smoking cigarettes may decrease serum levels.) - In fact, some patients who smoke require an increase in theophylline dosage of up to 50%. - Monitor patients who smoke for any change in smoking habits. - assess the pts diet Theophylline elimination is increased by a low-carbohydrate, high-protein diet and by charcoal-broiled beef. fixed support moment formulaWebcoffee per day, and smokes 20 to 30 cigarettes per day. In the emergency room, she receives albuterol/ipratropium inhalation therapy to help her breathing and a 21-mg nicotine replacement patch to avoid nicotine withdrawal. In the United States, 19% of adults smoke cigarettes.1 Heavy tobacco smoking and nicotine dependence are common among fixed student loans ratesWebApr 1, 1978 · The effect of cigarette smoking upon the frequency of toxic effects of theophylline is also evaluated. MATERIALS AND METHODS The scope and operation … can mice get through 1/2 inch hardware cloth