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Theophylline, also known as 1,3-dimethylxanthine, is a drug that inhibits phosphodiesterase and blocks adenosine receptors. [1] It is used to treat chronic obstructive pulmonary disease (COPD) and asthma . [ 2 ]
Theophylline is a non-selective adenosine receptor antagonist. It is also an anti-asthmatic agent and a demethylated metabolite of caffeine. Small open-label trials suggest that theophylline has anti-parkinsonian benefit but a double-blind, placebo-controlled trial did not clearly establish relief from symptoms. [3]
Because one of the active ingredients in Tedral is theophylline, Tedral is contraindicated if the patient has: [3] [6] Hypersensitivity to xanthine derivatives; Coronary artery disease (cardiac stimulating effects of Theophylline may prove harmful) Peptic ulcer; Concomitant use with ephedrine in children.
Paraxanthine, also known as 1,7-dimethylxanthine, is a metabolite of theophylline and theobromine, two well-known stimulants found in coffee, tea, and chocolate mainly in the form of caffeine. It is a member of the xanthine family of alkaloids , which includes theophylline, theobromine and caffeine .
Theodrenaline (INN Tooltip International Nonproprietary Name), also known as noradrenalinoethyltheophylline or as noradrenaline theophylline, is a chemical linkage of norepinephrine (noradrenaline) and theophylline used as a cardiac stimulant.
The No. 10 Broncos put No. 20 UNLV away in the first half on the way to a 21-7 win in the Mountain West Conference championship game on Friday night. The win was fittingly sealed at the end of the ...
Diphenhydramine is the primary constituent of dimenhydrinate and dictates the primary effect. The main differences relative to pure diphenhydramine are a lower potency due to being combined with 8-chlorotheophylline (by weight, dimenhydrinate is between 53% and 55.5% diphenhydramine) [10] and the fact that the stimulant properties of 8-chlorotheophylline help reduce the side ...