Carbamate toxicity
Mushroom toxicity, especially:
Amanita muscaria<unk> 
Clitocybe
Organophosphate toxicity
Nerve agent
Sarin
VX
Novichok agent
Nicotine toxicity (look alike)
Acetylcholinesterase inhibitor overdose (e.g in myasthenia gravis or post anesthesia reversal)
Amanita muscaria<unk> 
Clitocybe
Sarin
VX
Novichok agent
Inocybe
Carbamate toxicity
Clitocybe
Mushroom toxicity, especially:
Tapeworm
Amanita muscaria
Scombroid
Hookworm