Poisons
- Caffeine overdose
- Caladium plant poisoning
- Calamine lotion overdose
- Calcium carbonate overdose
- Calcium carbonate with magnesium overdose
- Calcium hydroxide poisoning
- Calcium overdose
- Calcium-channel blocker overdose
- Calla lily poisoning
- Campho-Phenique overdose
- Camphor overdose
- Camphor tar
- Candles poisoning
- Carbamate poisoning
- Carbofos poisoning
- Carbolic acid poisoning
- Carbon monoxide poisoning
- Carbonic acid poisoning
- Cardiac glycoside overdose
- Carrel-Dakin solution
- Castor oil overdose
- Caterpillars
- Caulking compound poisoning
- Caustic soda poisoning
- Cedar leaf oil poisoning
- Centipede
- Chalk - swallowing
- Chalk poisoning
- Chapstick poisoning
- Chelating agent poisoning
- Chlordiazepoxide overdose
- Chlorinated lime poisoning
- Chlorine poisoning
- Chlorophyll poisoning
- Chlorpheniramine maleate
- Chlorpromazine overdose
- Christmas cherry poisoning
- Christmas flower poisoning
- Chronic solvent encephalopathy
- Ciguatera poisoning
- Cimetidine overdose
- Cinfacrom poisoning
- Clinitest tablets poisoning
- Clinoril overdose
- Clorox
- Cloth dye poisoning
- Clove oil overdose
- Coal oil poisoning
- Cobalt chloride
- Cobalt oxide
- Cobalt poisoning
- Cobalt sulfate
- Codeine overdose
- Cold wave lotion poisoning
- Colocasia plant poisoning
- Cologne poisoning
- Compound 4049 poisoning
- Contac overdose
- Cooking starch poisoning
- Coolant poisoning
- Copper poisoning
- Corramedan overdose
- Corticosteroids overdose
- Cortisporin ointment overdose
- Crank overdose
- Crayons poisoning
- Crazy Glue
- Crystal meth overdose
- Crystodigin overdose
- Cuticle remover poisoning
- Cyanoacrylates poisoning
- Cyproheptadine overdose
- Cythion poisoning