Balancing chemical equations is a key chemistry skill. Use these step by step instructions to write and balance chemical equations. Balancing chemical equations is a key chemistry skill. Use these step by step instructions to write and balance chemical equations.
So, there are many signs and symptoms of Selenium Overdose- some occur very early and some occur much later. 1  Early Signs: Some of the early signs of Selenium Toxicity are endocrine hormone disturbances- particularly thyroid issues. Poor hair and nail growth are early signs that are probably the easiest to notice.
Symptoms And Treatment Of Overdose: Symptoms: Related to vasodilatation; cutaneous flushing, headache, nausea, dizziness and hypotension. tag_Treatment Treatment: Gastric lavage. Symptomatic and supportive therapy should include ventilation with oxygen and vasopressor amines if indicated (norepinephrine is suitable).