The mnemonic is BRATS PANIC

• Bromethalin 
• Red Squill: Digoxin-like for rats
• Arsenic: antidote is succimer or dimercaprolBAL)
• Thallium
• Strychnine or SMFA
• Strychnine blocks Glycine (Inhibitory neurotransmitter) and can lead to twitching but awake aka "awake seizure"
• PNU (Vacor) or Phosphorous
• PNU: beta-islet poison for rats
• Phosphorous: leads to smoking white stools
• ANTU
• Norbormide
• Indandiones: superwarfarin
• Coumarins: superwarfarin
• Cholecalciferol: unlikely to cause toxicity in humans but leads to significant hypocalcemia in rats

Management

• if single ingestion and asymptomatic, likely discharge unless a candidate for activated charcoal 
• will need PCP follow up in two days for INR check 
• Vitamin K only if INR is elevated
• no role for prophylactic vitamin K