Can safe substances be poisonous?

American Red Cross

Many substances that are not poisonous in small amounts are poisonous in larger amounts. Combining certain substances can result in poisoning, although if taken by themselves they might not cause harm.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.

Poisoning

Poisoning involves ingesting or coming in contact with substances that damage your body. Typical poisons include household and industrial chemicals, drugs, exhaust fumes, plants, metals or spoiled food. The dangers of poisoning vary widely, from minor annoyances to coma and death. Typical signs of poisoning include rashes, vomiting, redness around the mouth and nose, chemical odors and burns. Empty pill bottles, unresponsiveness and difficulty breathing are also signs. If the person is not breathing, start CPR and call for help immediately. Since poisons work in different ways depending on the amount and type ingested, it is important to consult with a doctor or a poison control center to seek advice for treatment.

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