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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 ]
Formoterol has an extended duration of action (up to 12 h) compared to short-acting β 2 agonists such as salbutamol (albuterol), which are effective for 4 h to 6 h. Formoterol has a relatively rapid onset of action compared to other LABAs, and is effective within 2-3 minutes. [ 2 ]
In recreational psychoactive drug spaces, duration refers to the length of time over which the subjective effects of a psychoactive substance manifest themselves. Duration can be broken down into 6 parts: (1) total duration (2) onset (3) come up (4) peak (5) offset and (6) after effects.
C max is the maximum (or peak) serum concentration that a drug achieves in a specified compartment or test area of the body after the drug has been administered and before the administration of a second dose. [1] It is a standard measurement in pharmacokinetics.
According to the New York Times, here's exactly how to play Strands: Find theme words to fill the board. Theme words stay highlighted in blue when found.
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).
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.
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