The Effects of Drugs on Laboratory Values http://www.edhayes.com/labtestmain2.html
| AMPHOTERICIN B | Lab Test | Increase/Decrease | Mechanism of Action |
| | Bilirubin | Increase | Hepatotoxicity |
| | BUN | Increase | Renal Damage |
| | Creatinine | Increase | Evidence of renal damage |
| | Magnesium | Decrease | |
| | Potassium | Decrease | Altered distal tubule permeability |
| CALCIUM | Lab Test | Increase/Decrease | Mechanism of Action |
| | Potassium | Increase | Emission spectrum interfers with that of potassium in direct flame photometric method. |
| | Sodium | Increase | Interfers with that of sodium in direct flame photometric method |
| CORTICOSTEROIDS | Lab Test | Increase/Decrease | Mechanism of Action |
| | BUN | Increase | |
| | Calcium | Decrease | Catbolic effect |
| | Chloride | Decrease | By alkalosis |
| | Chloride | Increase | By salt and water retention |
| | Glucose | Increase | May alter glucose concentration measurments through physiological or pharmacological effects. |
| | Phosphorus | Decrease | |
| | Potassium | Decrease | Renal potassium wasting |
| | Sodium | Increase | By salt and water retention (with or without edema) |
| | UUN | Increase | |
| CYCLOSPORIN | Lab Test | Increase/Decrease | Mechanism of Action |
| | Potassium | Increase | Impaired excretion |
| ERYTHROMYCIN | Lab Test | Increase/Decrease | Mechanism of Action |
| | Bilirubin | Increase | Cholestatic jaundice |
| HEPARIN | Lab Test | Increase/Decrease | Mechanism of Action |
| | Calcium | Decrease | EDTA titration method and Fluorometric titration method |
| | Potassium | Increase | Impaired aldosterone synthesis |
| | Sodium | Decrease | Increases sodium excretion |
| HYDROCORTISONE | Lab Test | Increase/Decrease | Mechanism of Action |
| | Bicarbonate | Increase | By alkalosis |
| | Chloride | Decrease | By alkalosis |
| | Chloride | Increase | By salt and water retention |
| | Potassium | Decrease | By increasing renal excretion |
| INSULIN | Lab Test | Increase/Decrease | Mechanism of Action |
| | Total protein | Increase | Increased protein synthesis |
| MAGNESIUM CONTAINING ANTACIDS | Lab Test | Increase/Decrease | Mechanism of Action |
| | Magnesium | Increase | Especially in renal failure |
| METHOTREXATE | Lab Test | Increase/Decrease | Mechanism of Action |
| | Alkaline Phosphatase | Increase | Hepatotoxicity/td> |
| | Bilirubin | Increase | Hepatotoxicty |
| VITAMIN K | Lab Test | Increase/Decrease | Mechanism of Action |
| | Bilirubin | Increase | By hemolising G6P dehydrogenase dependent red blood cells |
