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.
Senna Overdose. Taking an overdose of senna is likely to cause a strong laxative effect. Some of the symptoms that may appear include abdominal pain or cramping, diarrhea, and bloating. Dehydration and electrolyte imbalances can also occur as the result of severe diarrhea.