Activity after test Resume taking any medications that were withheld before the test. Return to pretest activities right away. Use warm compresses if blood collects under the puncture site or if the area becomes tender, red or painful. Time before test results available Not available. Test results Test Values Test results are determined by liquid chromatography and radio-immunoassay .
Normal Values Vary for each drug.
Factors Affecting Results Taking these drugs may affect test results Aminophylline. Other factors that may affect test results Caffeine. If one or more bronchodilators are taken by more than one route or with ephedrine or other sympathomimetics, the danger of serious toxicity substantially increases. All rights reserved.