( 7.4 , 5.4 ) Tolazamide: A case of severe hypoglycemia has been reported. 7.5 Tolazamide A case of severe hypoglycemia has been reported in a type II diabetic patient maintained on tolazamide (1 g/day) 11 days after the addition of oral doxepin (75 mg/day).
Source: FDA drug label - doxepin