Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
drain [dreɪn] n (in street) водосто́к, водоотво́д (on resources, manpower) уте́чка#; (on health, energy) расхо́д
vt (land, glass etc) осуша́ть (осуши́ть*perf) (vegetables) слива́ть (слить*perf)
vi (liquid) стека́ть (стечь*perf)
I feel drained я истощён
I feel drained of emotion у меня́ истощи́лись эмо́ции
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.