Table 2. Estimated costs of treating 40 self-poisoned patients admitted to 5 peripheral hospitals in the Anuradhapura district in Sri Lanka from 1 to 31 July 2006.

Type of poison	Patients (No.)		Average cost per patient (US$)		Total cost (US$)
Pesticide	29		3.70		107.30
Organophosphate	17		3.96		67.32
Carbamate	2		3.77		7.54
Herbicide	4		3.50		14.00
Unknown and other	6		3.06		18.36
Yellow oleander seeds (Thevetia peruviana)	8		2.34		18.72
Medicine	3		2.45		7.35
Other	0		3.33		0
Unknown	0		3.33		0
All	—		—		133.37

US$, United States dollars.