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Substances, plants and mushrooms

The list contains the most frequently asked about and most common causes of poisoning in humans. You can search for items by typing in a search word. If you do not find the item you are looking for, you may call the Poison Information Center 0800 147 111 to check if it is poisonous.

Plant and mushroom species and genera are listed depending on whether all species of a genus are poisonous or only some. Unfortunately, the Poison Information Center is not able to identify plants and mushrooms over the phone. Identification should always take place on the spot.

In addition to books on mushroom identification, mushroom experts can help you identify mushrooms. Experts can be found via mycological societies and the Martha Organization, for example.

To Poison Information Center's main page

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Motherwort (Leonurus cardiaca)

Plants

The plant is non-toxic.

Mountain death camas (Zigadenus elegans)

Plants

The plant is toxic, but ingesting a small amount rarely causes symptoms.

Mouse-ears (Cerastium)

Plants

The plant is non-toxic.

Mugwort (Artemisia vulgaris)

Plants

The plant is non-toxic.

Mullein (Verbascum)

Plants

The plant is non-toxic.

Multivitamins

Substances

Keywords: Vitamins, Berocca ®

Multivitamins contain water-soluble and fat-soluble vitamins varying amounts. In addition, some products may contain iron, zinc and other minerals.

If several tablets have been ingested, contact the Poison Information Centre to confirm toxicity.​

Myrtle (Myrtus communis)

Plants

The plant is non-toxic.

Nail polish

Substances

Nail polish is not easy to swallow and the bottles tend to be small. Therefore, the risk of ingesting toxic doses of nail polish is small.

Other nail care products may contain harmful substances. Contact the Poison Information Centre to confirm toxicity.

Naproxen

Substances

Keywords: Miranax®, Naprometin®

A single dose not exceeding 100mg/kg of body weight is harmless and does not require treatment. If the ingested amount is over 100mg/kg of body weight (or over 5g if body weight over 40 kg), contact the Poison Information Centre to confirm toxicity.

Nasturtium (Tropaeolum)

Plants

The plant is non-toxic.

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