Common Poisonous Houseplants for Dogs in Indian Homes

In this guide

Beyond the outdoor and festive-season hazards, a good number of ordinary houseplants sitting on Indian balconies, window sills and office desks are toxic if a dog decides to chew on them. This is a general reference to the ornamentals worth knowing about, separate from garden shrubs and seasonal decorations covered elsewhere.

Houseplants to watch for

• Dieffenbachia (dumb cane): a common indoor plant whose leaves contain calcium oxalate crystals, causing intense mouth and throat irritation, drooling and swelling if chewed
• Peace lily: contains similar oxalate crystals, causing oral irritation, drooling and vomiting, though it is less dangerous than true lilies
• Aglaonema (Chinese evergreen): a popular low-maintenance office and home plant, mildly to moderately toxic, causing mouth irritation and drooling
• Aloe vera: widely grown for its skin and health uses, but the gel and latex can cause vomiting, diarrhoea and lethargy in dogs if eaten in quantity
• Rubber plant (ficus): sap can irritate the mouth and skin, and ingestion of leaves can cause vomiting and diarrhoea
• Yellow oleander (also called lucky nut, sometimes grown ornamentally): related to common oleander and similarly dangerous to the heart if any part is eaten
• Lantana: a common flowering hedge and wild shrub across India, whose unripe berries are toxic and can cause vomiting, weakness and liver damage

Plants generally considered safer around dogs

• Areca palm
• Boston fern
• Spider plant
• Basil, tulsi and other common kitchen herbs

Even with generally safe plants, large quantities of any plant material can cause mild stomach upset simply from the fibre, so it is still worth discouraging your dog from grazing on houseplants as a habit.

Symptoms to watch for

• Drooling, pawing at the mouth, or visible swelling of the lips and tongue
• Vomiting or diarrhoea
• Lethargy
• In plants affecting the heart, such as yellow oleander, an irregular heartbeat, weakness or collapse

What to do

If your dog has chewed on a houseplant and you are not sure how toxic it is, try to identify the plant, take a photo or a leaf sample, and call your vet. For oxalate-containing plants like dieffenbachia and peace lily, rinsing the mouth with water and offering a small amount of milk or water can help ease irritation while you arrange a vet visit. For anything suspected to affect the heart, treat it as an emergency rather than waiting to see how the dog responds. When placing plants at home, keep anything from the toxic list on a high shelf or in a room your dog cannot access unsupervised.

Article content © Ravi Teja. All rights reserved.