Suicide by poison

thumb|The Globally Harmonized System of Classification and Labelling of Chemicals|international pictogram for poisonous substances. The skull and crossbones has long been a standard symbol for poison.

toxicity due to exposure to carbon monoxide

chemical compound

ingestion or application of a drug or other substance in quantities greater than recommended amount

excessive intake of water

medical condition

legendary medicinal substance, found in Chinese sources, stating that old Arabian men voluntarily start bathing in—and eating only—honey; after death, the body is put in a honey-filled coffin; after a century, the contents could heal broken limbs

method of suicide using carbon monoxide from burning charcoal in a closed room

term in antiquity describing a venomous snake in the Nile region

pill containing poison to allow quick suicide by an operative