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Viscaria, Catchfly (Viscaria)
The plant is non-toxic.
Vitamins
Keywords: Vitamin A, Vitamin B, Vitamin C, Vitamin D, Vitamin E, Vitamin K
Water-soluble vitamins (Vitamins B and C) are considered harmless as a single dose. Does not require treatment.
Fat-soluble vitamins (Vitamins A, D, E and K) are considered harmless as a single dose. Overdosed product should pause for as many days as extra dose have been taken.
Most vitamin products contain sweeteners (e.g. xylitol and sorbitol) that can cause gastrointestinal symptoms in large amounts.
In case of long-term (repeatedly) overdose, contact the Poison Information Centre to confirm toxicity.
Vriesea (Vriesea)
The plant is non-toxic.
Walking iris (Neomarica)
The plant is non-toxic.
Wallflower (Erysimum)
The plant is non-toxic.
Wart removal products
If ingested, wart removal products may cause corrosive damage. Rinse the mouth. See: Corrosive substances.
Washington palm (Washingtonia)
The plant is non-toxic.
Water hemlock, Cowbane (Cicuta virosa)
Highly toxic. The whole plant, especially the rootstalks, is toxic. The poisonous cicutoxin is located in the sap. When ingested, initial symptoms include burning of the mouth, increased salivation and vomiting, followed by convulsions and unconsciousness. If the plant has been ingested, the patient should seek medical attention.
Water lily (Nymphaea)
The plant is non-toxic. The plant has been found to contain toxic substances, but despite this, no cases of poisoning have been reported in the literature.
Watercolours
A single dose is considered harmless. Does not require treatment.