Valproic Acid Induced Hyperammonemia in a Long Time Treated Patient

Table 1

Lactulose and carnitine administration and corresponding ammonia and valproic acid levels.

Admission day number	1	6	9	10	12	13	20	34
Ammonia (μmol/L)			73	72	39
Valproic acid level (μg/mL)	78	60	72			50	64	77
Lactulose administered (grams)			20 grams q8h × 3 days
Carnitine administered (mg)