RT Book, Section A1 Saunders, Katherine H. A1 Igel, Leon I. A2 Papadakis, Maxine A. A2 McPhee, Stephen J. A2 Rabow, Michael W. A2 McQuaid, Kenneth R. SR Print(0) ID 1193133720 T1 Vitamin B6 Toxicity T2 Current Medical Diagnosis & Treatment 2023 YR 2023 FD 2023 PB McGraw-Hill Education PP New York, NY SN 9781264687343 LK accessmedicine.mhmedical.com/content.aspx?aid=1193133720 RD 2024/04/24 AB Symptoms of excess vitamin B6 supplementation can be similar to those of vitamin B6 deficiency. A sensory neuropathy, at times irreversible, can occur in patients receiving large doses of vitamin B6 (200–2000 mg/day).