 [ Symptoms ] can my health insurance deny maternalprenatal care to my dependent if the coverage started in january of 2014 [ Disease ] if overdose is suspected contact your poison control center or emergency room immediately us residents can call the us national poison hotline at 1 800 222 1222 canada residents can call a provincial poison control center symptoms of overdose may include severe headache tiredness dizziness mentalmood changes such as irritability depression vision changes such as double vision blurred vision drypeeling skin bonejoint pain loss of appetite yellowing skineyes dark urine severe stomachabdominal pain