Carbamate toxicity
Mushroom toxicity, especially:
Amanita muscaria
Inocybe<unk> 
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
Inocybe<unk> 
Sarin
VX
Novichok agent
Clitocybe
Carbamate toxicity
Inocybe
Mushroom toxicity, especially:
Tapeworm
Amanita muscaria
Hookworm
Pseudoparasites