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The Poisons Dictionary M-O defines the poisonous or toxic ingredients in these substances and identifies symptoms associated with them. Whether you're experiencing symptoms associated with mercury or nitric acide, learn what to do and what to expect.
Featured Article: Nytol Overdose
Nytol Overdose information from HowStuffWorks. Learn the symptoms of Nytol Overdose and what to do in case of Nytol Overdose. See more »
Mineral Spirits
Mineral spirit poisoning, caused by hydrocarbons, leads to chemical burns and impairs breathing which can be fatal without treatment. Learn about Mineral spirit poisoning symptoms, poison control procedures, and treatment options.
See more »Mistletoe
Mistletoe poisoning, due to toxic amine ingestion, leads to blurred vision, stomach pain, and vomiting which require rapid medical care. Learn about Mistletoe poisoning symptoms, poison control procedures, and treatment options.
See more »Morphine Overdose
Morphine overdose, a form of painkiller overdose, leads to muscle spasms, hypotension, and cardiac arrest unless promptly treated. Learn about Morphine overdose symptoms, poison control procedures, and treatment options.
See more »Motrin Overdose
Motrin Overdose information from HowStuffWorks. Learn the symptoms of Motrin Overdose and what to do in case of Motrin Overdose.
See more »Mouthwash Overdose
Anti-septic mouth rinse overdose, poisoning from mouthwash ingestion, causes symptoms similar to alcohol intoxication as well as respiratory problems. Learn more about anti-septic mouth rinse overdose symptoms, poison control procedures, and treatment opt
See more »Multiple Vitamin Overdose
Multiple vitamin overdose, usually iron or calcium overdoses, can lead to arrhythmias, constipation, or skin irritation. Learn about Multiple vitamin overdose symptoms, poison control procedures, and treatment options.
See more »Myristical Oil
Myristical oil poisoning leads to stomach problems, tachycardia, and delirium but a full recovery is expected with treatment. Learn about Myristical oil overdose symptoms, poison control procedures, and treatment options.
See more »Nail Polish Poisoning
Nail polish poisoning from ingestion is rarely serious but chronic fume exposure causes a permanent condition called “painters syndrome”. Learn about Nail polish poisoning symptoms, poison control procedures, and treatment options.
See more »Naphthalene
Camphor tar poisoning, caused by naphthalene, damages red blood cells with death likely when seizures and comas occur. Learn about camphor tar poisoning symptoms, poison control procedures, and treatment options.
See more »Naprosyn Overdose
Naprosyn overdose, from excessive Naproxen ingestion, causes gastrointestinal damage and respiratory complications. Learn about Naprosyn overdose symptoms, poison control procedures, and treatment options.
See more »Nembutal Overdose
Nembutal overdose leads to drowsiness or shock which may cause life threatening conditions, like kidney or heart failure, to develop. Learn about Nembutal overdose symptoms, poison control procedures, and treatment options.
See more »Nicotine
Nicotine poisoning commonly causes hypotension, abnormal heart rates, seizures, and heart failure which can be fatal especially for young children. Learn about Nicotine poisoning symptoms, poison control procedures, and treatment options.
See more »Nitric Acid
Nitric acid poisoning causes burning of exposed areas, respiratory complications, and vomiting which require prompt medical care. Learn about Nitric acid poisoning symptoms, poison control procedures, and treatment options.
See more »Nitroglycerin Overdose
Nitroglycerin overdose causes abnormal heart rates, impairs breathing, and gastrointestinal pain. Learn about Nitroglycerin overdose symptoms, poison control procedures, and treatment options.
See more »Norpramin Overdose
Norpramin Overdose information from HowStuffWorks. Learn the symptoms of Norpramin Overdose and what to do in case of Norpramin Overdose.
See more »Nytol Overdose
Nytol Overdose information from HowStuffWorks. Learn the symptoms of Nytol Overdose and what to do in case of Nytol Overdose.
See more »Oleander
Oleander poisoning, a form of plant poisoning, may cause gastrointestinal problems, skin rashes, and vision disturbances. Learn about oleander poisoning symptoms, poison control procedures, and treatment options.
See more »Oral Hypoglycemics Overdose
Diabetes pill overdose, due to hypoglycemic pill ingestion, leads to gastrointestinal or nervous system complications and may cause death. Learn about diabetes pill overdose symptoms, poison control procedures, and treatment options.
See more »Oven Cleaners
Corrosive alkalis poisoning, caused by oven cleaner exposure, may lead to respiratory difficulties or internal burning which can be fatal. Learn about corrosive alkalis poisoning symptoms, poison control procedures, and treatment options.
See more »Oxalic Acid
Oxalic acid poisoning leads to low blood pressure, kidney damage, and severe mouth and throat ulcerations which can be rapidly fatal. Learn about Oxalic acid poisoning symptoms, poison control procedures, and treatment options.
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