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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 ]
5.4 Unknown duration of action. 6 Research. ... Download QR code; Print/export Download as PDF; Printable version; In other projects Wikimedia Commons;
Oral administration of 15 to 45 mg of temazepam in humans resulted in rapid absorption with significant blood levels achieved in fewer than 30 minutes and peak levels at two to three hours. [ 9 ] In a single- and multiple-dose absorption, distribution, metabolism, and excretion (ADME) study, using tritium -labelled drug, temazepam was well ...
A combination of theophylline, ephedrine, and hydroxyzine has been marketed under the brand name Marax among others as well. [16] [17] [18] Combinations of theophylline, ephedrine, and a barbiturate were later phased out in favor of combinations of theophylline and ephedrine alone (e.g., brand name Franol).
Dimenhydrinate is a theoclate salt composed of diphenhydramine and 8-chlorotheophylline (a theophylline relative) in a 1:1 ratio. [ 2 ] Dimenhydrinate was introduced to the market by G.D. Searle in 1949.
The therapeutic index (TI; also referred to as therapeutic ratio) is a quantitative measurement of the relative safety of a drug with regard to risk of overdose.It is a comparison of the amount of a therapeutic agent that causes toxicity to the amount that causes the therapeutic effect. [1]
Next, thrust in an inward and upward motion on the diaphragm. This will force air out of the lungs and remove the blockage. Repeat these abdominal thrusts up to five times, the doctor advised.
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 .