One Pill Kills - Those that can be fatal even after just ingesting a small amount

1) CALCIUM CHANNEL BLOCKERS 

Cause delayed onset bradycardia, hypotension, conduction defects. They can also block insulin secretion. 

2) TRICYCLIC ANTIDEPRESSANTS 

Block fast sodium channels leading to intraventricular conduction delay and seizures. 

3) CHLOROQUINES 

Cause cardiac arrhythmias (QRS widening) and cinchoism. 

4) OPIATES 

Cause coma and respiratory depression

5) SULFONYLUREAS 

Cause hypoglycaemia due to stimulation of insulin production. 

6) BETA BLOCKERS 

Cause hypoglycemia due to blockage of glycogenolysis. 

7) THEOPHYLLINE 

Cause seizures and SVT. 

8) AMPHETAMINES 

Cause agitation, confusion, hyperthermia, and hypertension. 



Dr. Tessa Davis https://twitter.com/TessaRDavis



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