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The common side effects of Tedral include gastrointestinal disturbances, dizziness, headache and lightheadedness. [ 3 ] [ 4 ] [ 5 ] However, at high dose, it may lead to cardiac arrhythmias , hypertension , seizures or other serious cardiovascular and/or central nervous system adverse effects.
Theophylline and other methylxanthines are often used for their performance-enhancing effects in sports, as these drugs increase alertness, bronchodilation, and increase the rate and force of heart contraction. [10]
[9] [7] [10] A ratio of 5:1 theophylline to ephedrine is usually used in combinations of the drugs. [11] Later research found that the combination was no more effective for asthma than theophylline alone but produced more side effects. [9] [1] [12] [7]
It must be taken 1–4 times daily, and doses cannot be missed. Blood tests are required to monitor therapy and to indicate when dosage adjustment is necessary. Side effects can include nausea, vomiting, diarrhea, stomach or headache, rapid or irregular heart beat, muscle cramps, nervous or jittery feelings, and hyperactivity.
The 10,000 steps per day rule isn’t based in science. Here’s what experts have to say about how much you should actually walk per day for maximum benefits.
A mouse study on the potentiating effects of methylxanthines coadministered with mitomycin C on teratogenicity reported the incidence of birth defects for caffeine, theophylline, and paraxanthine to be 94.2%, 80.0%, and 16.9%, respectively; additionally, average birth weight decreased significantly in mice exposed to caffeine or theophylline ...
Classically, for clinical indications of an approved drug, TI refers to the ratio of the dose of the drug that causes adverse effects at an incidence/severity not compatible with the targeted indication (e.g. toxic dose in 50% of subjects, TD 50) to the dose that leads to the desired pharmacological effect (e.g. efficacious dose in 50% of ...
In animal and human studies, it has shown similar efficacy to theophylline but with significantly fewer side effects. [5] In February 2014, the US FDA granted an orphan drug designation to doxofylline for the treatment of bronchiectasis following the submission of an application by Alitair Pharmaceuticals, in May 2013. [6] [7] [8]