Symptom: Signs of acute overdose include garlic-like breath odor, tiredness, nausea, diarrhea, and abdominal pain. In chronic overdose, changes in nail and hair growth as well as peripheral polyneuropathies have been observed.
Treatment of overdose: Possible countermeasures include gastric lavage, forced diuresis, or high doses of vitamin C. In the event of an extreme overdose (1,000-10,000 times), the patient can try to eliminate the selenite through dialysis. The use of dimercaprol is not recommended as it increases the toxicity of selenium.