6 results
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Positives on Drug ... • Verapamil Opioids ... and opiates false ... #differential #diagnosis ... #toxicology #medications
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
- Common drugs ... that may cause false ... containing cocaine Opioids ... UDS #Laboratory #Toxicology ... #Diagnosis #FalsePositive
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
Potassium Channel Blockers - Medications
1. Cardiovascular Drugs
2. Psychiatric drugs
3. Other drugs
4. Synthetic opioids: Levomethadyl 
5. Opium
Other drugs 4. ... Synthetic opioids ... #Differential #Diagnosis ... #Pharmacology # ... Toxicology
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
Antimalarial drugs ... - Cocaine Opioids ... widening #ECG #EKG #Pharmacology ... #Medications #Toxicology ... #Diagnosis #Differential
Drug-Induced Prolonged QTc

QTc >500ms is an independent risk factor for developing Torsades des Pointes (TdP)
Drugs causing
Drug-Induced Prolonged ... Prochlorperazine • Opioids ... QTc #Toxicity #Toxicology ... #Pharmacology # ... Diagnosis #prolongation