13 results
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
on Drug Tests ... Urine drug screens ... Opioids and opiates ... #drug #tests #differential ... #diagnosis #toxicology
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
Antimalarial drugs ... widening #ECG #EKG #Pharmacology ... #Medications #Toxicology ... #Diagnosis #Differential ... #Drugs #Classes
Potassium Channel Blockers - Medications
1. Cardiovascular Drugs
2. Psychiatric drugs
3. Other drugs
4. Synthetic opioids: Levomethadyl 
5. Opium
Psychiatric drugs ... Other drugs 4. ... #Medications #Differential ... #Diagnosis #Pharmacology ... #Toxicology
Drugs Implicated in Hemolytic Anemia
 • Hapten (Drug binding to RBC membrane): Penicillin, Cephalosporin, Tetracycline, Tolbutamide,
Drugs Implicated ... Anemia • Hapten (Drug ... Hemolytic #Anemia #differential ... #diagnosis #pharmacology ... #table
Back to the "10 Need to Know" series - Drug Therapeutic Target Levels. 

For lithium, target
Know" series - Drug ... Therapeutic #Ranges #Toxicology ... #Pharmacology # ... Diagnosis #Table
Medications causing Acute Kidney Injury (AKI)
Prerenal:
 • Dehydration: Diuretics
 • Altered intrarenal autoregulation: ACEIs / ARBs,
sphincter tone: • Opiates ... decongestants) • Any drug ... #Medications #Drugs ... #pharmacology # ... differential #diagnosis
False Positive Urine Drug Screens
Amphetamines - Amantadine, brompheniramine. bupropion, chlorpromazine, desipramine, ephedrine, isometheptene, isoxsuprine, labetalol, phentermine,
False Positive Urine ... Drug Screens Amphetamines ... thioridazine, verapamil Opiates ... #Screening #diagnosis ... #toxicology
Drug-Induced Dysgeusia - Distortion of Taste and Smell

By Dr. Kathryn Watson @Kat_Watson

#dysgeusia #drug #induced #Toxicology #Pharmacology
Drug-Induced Dysgeusia ... #dysgeusia #drug ... #induced #Toxicology ... #Pharmacology # ... differential #diagnosis
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... Diagnosis and Screening ... conditions (supine position ... #Diagnosis #Causes ... Screening #Workup #table
Therapeutic Drug Level Monitoring 
Carbamazepine - Sample immediately before next dose (trough) 
Clozapine - Sample immediately
Therapeutic Drug ... Therapeutic #Ranges #Toxicology ... #Pharmacology # ... Diagnosis #Table