rabbit poisoning, the SG household hazards list
rabbits die fast. that is the blunt truth most new owners find out too late. a rabbit that ingests a toxic plant, licks a cleaned floor, or breathes concentrated mosquito coil smoke can go from normal to critical in two to four hours. meanwhile, finding an exotic vet in Singapore at 9pm on a weeknight takes time, a grab ride, and some luck. the gap between the moment of exposure and the moment you are sitting in a clinic with your rabbit is exactly where the damage happens. knowing the hazard list before the emergency is the only thing that closes that gap.
the SG context makes this harder than it sounds. HDB flats are small, well-ventilated in ways that can also carry fumes across the whole unit, and stacked next to neighbours who fog, spray, and burn coils without warning. free-roam rabbits explore every corner, chew baseboards, and lick surfaces you wiped down hours ago. dengue spraying season brings NEA fogging crews to void decks and corridors. common houseplants from IKEA and Far East Flora sit at floor level, exactly where a rabbit nose lands. this is not a worst-case scenario. this is a Tuesday.
the categories of poisoning risk
poisoning in rabbits falls into six broad categories: chemical exposure (cleaning products, pest control), plant ingestion, food toxicity, medication exposure, structural hazards (paint, hardware, wood), and airborne toxins (essential oils, coils, fumes). most SG rabbit owners are aware of one or two categories and have never thought about the others. the actual hazard map of a typical three-room HDB flat covers all six, often in the same session of free roam.
a rabbit cannot vomit. this is the biological fact that makes poisoning disproportionately dangerous compared to cats or dogs. whatever goes in stays in until the liver and kidneys process it, or until a vet intervenes. GI motility also slows under stress, which means ingested toxins can sit in the gut longer than you would expect.
this guide covers each category in order of the frequency owners encounter them in SG, with specific products and plants named by their local market names where possible.
cleaning products and pest control
bleach and chlorine-based cleaners. bleach is the default floor cleaner in many SG households. the problem is not just the wet floor, it is the residue. bleach does not fully evaporate. a rabbit hopping across a mopped tile floor 30 minutes after cleaning will pick up residue on the feet, then ingest it during grooming. even “diluted” bleach at the concentrations most people use for floors retains enough sodium hypochlorite to irritate the GI tract and, in repeated exposures, cause cumulative damage. the safer option is a pet-safe enzymatic cleaner, or mopping with plain water and keeping the rabbit out of the area for at least two hours after any bleach clean.
Dettol and phenol-based disinfectants. Dettol’s active ingredient, chloroxylenol, is derived from phenol compounds. phenols are acutely toxic to rabbits even at low concentrations. the liquid turns white when diluted with water, which is the point where most people think it is “safe.” it is not safe for rabbits. Dettol spray on countertops, wiped surfaces, or toilet seats where a rabbit explores is a real exposure route. the same applies to Pine-O-Cleen and similar products sold at FairPrice.
Pledge and furniture polish. used on coffee tables, TV consoles, lower shelves. rabbits chew wood surfaces and will ingest polish residue. most furniture polishes contain hydrocarbons and silicone compounds that are irritants at minimum.
mosquito coils. sold at FairPrice, 7-Eleven, Sheng Siong. a lit mosquito coil in a small room is equivalent to burning roughly 100 cigarettes worth of particulate matter. for a rabbit, whose respiratory system is far more sensitive than a human’s, even passive exposure in the same room can cause airway irritation, and in a small enclosed space, acute respiratory distress. the smoke from coils contains pyrethrin compounds, formaldehyde, and fine particulates. do not burn coils anywhere in the flat. the corridor outside the front door also counts if the smoke drifts in.
mosquito sprays and aerosols. Baygon, Shieldtox, HIT. pyrethroid-based insecticide sprays. if used inside the flat, the propellant and active compounds settle on surfaces the rabbit walks on. the DEET-based personal sprays are a separate issue but also toxic if the rabbit makes contact with skin that has been sprayed. wait a minimum of four hours after any indoor spray use before letting a rabbit into that room, and ventilate properly.
NEA dengue fogging spillover. this is the one most SG owners do not think about. NEA authorises fogging using permethrin-based insecticides during dengue outbreaks. the notice arrives by SMS or letter, sometimes with less than 24 hours’ notice. fogging happens in common corridors and void decks, but the chemical disperses as a mist and can drift through open windows on lower floors. keep windows closed when you receive a fogging notice. if your flat is on a low floor and fogging is happening directly outside, keep the rabbit in an interior room away from windows for at least two to three hours after fogging ends. see the dengue fogging section below for the full response checklist.
gel ant baits and cockroach traps. Combat, Raid, and similar baits contain boric acid or indoxacarb. gel baits are placed in corners and under appliances, exactly where rabbits explore. boric acid is toxic to rabbits in quantity. the gel format also attracts licking. move any baits to locations physically inaccessible to the rabbit (inside cupboards, behind sealed panels) or use diatomaceous earth alternatives in rabbit-accessible areas.
houseplants common in SG flats
SG plant culture has exploded. IKEA, FairPrice Finest, Far East Flora, and weekend farmers markets have pushed certain species into nearly every HDB living room. many of the most popular species are toxic to rabbits. the problem is floor-level placement: on side tables, in floor pots, trailing from shelves. a rabbit can strip leaves from a floor-level pothos in under a minute.
pothos / devil’s ivy (Epipremnum aureum). very high toxicity. one of the most common SG houseplants. contains insoluble calcium oxalates. ingestion causes immediate oral irritation, excessive drooling, and swelling of the mouth and throat. in larger quantities, causes GI damage. symptoms appear within minutes of ingestion. all parts of the plant are toxic, including the water in the pot if the plant has been sitting in standing water for long periods. remove from any rabbit-accessible area entirely.
sansevieria / snake plant (Dracaena trifasciata). moderate toxicity. contains saponins, which cause nausea, vomiting (not possible in rabbits, so it presents as GI distress), diarrhoea, and drooling. popular because it is marketed as low-maintenance and “air purifying.” the solid, upright leaves are not obviously chewable, but rabbits will mouth them. keep off the floor.
peace lily (Spathiphyllum wallisii). high toxicity. also contains calcium oxalates, plus other compounds that affect kidney function with repeated exposure. the peace lily is often given as a gift plant and ends up in living rooms and bedrooms. all parts are toxic, including the pollen. rabbits that bite into the spathe (the white flowering part) show immediate oral pain signs.
monstera / Swiss cheese plant (Monstera deliciosa). moderate to high toxicity. calcium oxalates throughout all plant parts. the large, dramatic leaves make this a common statement plant in SG flats. floor-level placement makes it accessible. oral irritation, drooling, and GI upset are the primary signs.
money plant (Epipremnum aureum). this is frequently sold as a separate plant from pothos in SG markets, but it is the same species or closely related. same calcium oxalate toxicity. the confusion in naming means owners who know pothos is dangerous may not recognise the “money plant” as the same hazard.
dieffenbachia / dumb cane (Dieffenbachia spp.). high toxicity. calcium oxalates plus additional compounds that cause temporary paralysis of the mouth and throat. the common name “dumb cane” comes from its ability to render humans temporarily unable to speak after ingestion. in rabbits, the effects are concentrated GI and oral damage. one of the more dangerous plants on this list.
rubber plant (Ficus elastica). moderate toxicity. the latex sap is the primary toxin. contact with the sap irritates skin and mucous membranes. ingestion causes GI upset. rabbits that chew the stems get direct sap exposure. less acutely dangerous than calcium oxalate plants but still not safe.
ZZ plant (Zamioculcas zamiifolia). moderate toxicity. calcium oxalates again. marketed heavily as an “unkillable” low-light plant, which makes it popular in SG bedrooms and offices. rabbits do not usually seek it out but will mouth unfamiliar objects during exploration.
philodendron (Philodendron spp.). high toxicity. calcium oxalates, same mechanism as pothos and peace lily. multiple species are sold under the philodendron name in SG. all are toxic. the heart-leaf philodendron is particularly common and particularly low-growing.
the rule of thumb: if a houseplant was popular enough to be mass-stocked at IKEA or Far East Flora in the last five years, check it against the toxic list before buying. for a curated safe-plant list, see rabbit-safe houseplants Singapore.
human foods that poison rabbits
chocolate. theobromine and caffeine are both toxic to rabbits. dark chocolate is more concentrated than milk chocolate, but no form is safe. rabbits do not seek it out the way dogs do, but a piece left on a low coffee table will be investigated. theobromine causes increased heart rate, tremors, seizures, and death in sufficient quantities.
avocado. persin, a fungicidal toxin present in the skin, pit, and flesh of avocado, causes respiratory distress, heart failure, and fluid accumulation around the heart in small animals. even small quantities can be fatal. avocado-based products (guacamole, certain spreads) carry the same risk.
onion, garlic, shallot. these are standard SG cooking ingredients and end up on countertops, in open bags, and on chopping boards that rabbits can reach. allium compounds cause haemolytic anaemia in rabbits, destroying red blood cells. the damage is cumulative. a rabbit that gets small exposures over multiple days may not show signs until the anaemia is severe. all forms are toxic: raw, cooked, dried, powdered.
raw beans and legumes. kidney beans, red beans, lentils in their raw, unsoaked form contain lectins and other antinutrients toxic to rabbits. SG cooking involves a lot of legume-based dishes. dried beans left within reach are the hazard. cooked beans are less dangerous but still not appropriate rabbit food.
processed grains and carbohydrate-heavy foods. technically not “poisoning” in the acute sense, but bread, crackers, biscuits, and rice given as treats cause significant GI disruption. the starch load disrupts cecal fermentation and can trigger or worsen GI stasis, which is its own medical emergency. for context on GI stasis, see GI stasis in rabbits.
dairy. rabbits are lactose intolerant. milk, cheese, and yoghurt cause diarrhoea and GI distress. the secondary dehydration from diarrhoea is the real danger.
alcohol. obvious in principle, less obvious in practice. alcohol-based cooking sauces, tiramisu, fermented foods. rabbits are extremely sensitive to ethanol. even small quantities cause serious metabolic disruption.
caffeine. coffee, tea, energy drinks. caffeine toxicity in rabbits causes elevated heart rate, tremors, and hyperthermia. same mechanism as chocolate without the theobromine.
medications and supplements left out
this category is under-discussed. the hazard is not that owners deliberately give rabbits human medication. the hazard is that tablets, capsules, and blister packs left on low surfaces, in bags within reach, or on the floor get chewed and ingested during free roam.
paracetamol. causes liver failure in rabbits. a single tablet is a potentially fatal dose for a small rabbit. paracetamol is in almost every SG household in some form (Panadol, cold and flu tablets, combination cold remedies).
ibuprofen and NSAIDs. cause GI ulceration and kidney damage. Nurofen, Advil, and combination cold tablets containing ibuprofen are common.
antibiotics. this is nuanced. certain antibiotics are safe for rabbits under vet supervision. others, particularly penicillin-based and some broad-spectrum antibiotics, destroy the gut flora and cause fatal enterotoxaemia. a rabbit that ingests an amoxicillin capsule from the floor is in danger not from acute toxicity but from gut dysbiosis developing over 24 to 48 hours. see rabbit medication administration SG for context.
multivitamins with iron. iron supplementation is toxic to rabbits. SG multivitamins containing iron left in open bags or accessible drawers are a low-probability but high-consequence hazard.
dog and cat flea treatment residue. if you have a multi-pet household and have recently applied spot-on flea treatment to a dog or cat, the rabbit should not groom that animal or sleep against the treated area. pyrethrin-based flea treatments are highly toxic to rabbits. permethrin in particular is acutely dangerous. keep rabbits separated from recently treated dogs and cats for at least 48 hours.
hardware and structural hazards
lead paint chips in older HDB units. HDB units built before approximately 1990 may have residual lead-based paint under layers of subsequent repainting. rabbits chew baseboards, skirting boards, door frames, and windowsills. flaking paint from older units should be tested before allowing free roam in areas with visible paint damage. lead poisoning causes neurological damage, lethargy, and in sustained exposure, death. this is a slow-building hazard, not an acute one, which makes it harder to identify.
zinc from cage hardware. cheap wire cages sold on Carousell, Shopee, and even some pet shops use zinc-coated wire. rabbits chew cage bars. chronic zinc ingestion causes zinc toxicosis with signs including lethargy, anaemia, and kidney damage. look for cages with powder-coated or stainless steel hardware rather than galvanised wire. for cage selection guidance, see HDB-friendly cages.
copper from electrical wire. free-roaming rabbits are notorious for chewing electrical cords. beyond the obvious electrocution risk, chewing through coated wire can expose copper, which is toxic in quantity. rabbit-proofing electrical cord management is essential. see rabbit-proofing HDB step by step for a full room-by-room approach.
treated wood from Carousell. second-hand furniture, shelving, and rabbit enclosures bought online may have been treated with stain, varnish, or wood preservatives containing heavy metals or VOCs. ask specifically before purchasing any second-hand wood items for rabbit areas. untreated pine or kiln-dried hardwood is the safe default.
essential oils and diffusers
the diffuser market in SG has grown significantly. ultrasonic diffusers and reed diffusers are common in HDB living rooms and bedrooms, often running for hours at a time. the problem for rabbits is that their respiratory systems are much more sensitive than humans’, and concentrated aromatic compounds that feel pleasant to us can cause serious harm in a small animal sharing the same air space.
tea tree oil. one of the most common SG diffuser oils. terpene compounds in tea tree oil are toxic to small animals when inhaled in concentration. signs include drooling, trembling, ataxia (loss of coordination), and respiratory distress.
eucalyptus oil. similarly common in SG, marketed for respiratory support and insect deterrence. eucalyptol causes respiratory irritation and CNS effects in rabbits.
peppermint oil. frequently used in combination blends. menthol compounds cause respiratory irritation. peppermint is also marketed as a “natural” mosquito deterrent in SG, which means some owners are using it specifically because they want something to mist into the air.
the guidance is straightforward: no diffusers in rooms where the rabbit has access. if the flat is open-plan, this means no diffusers anywhere in the flat during the rabbit’s free-roam periods. the concentration matters, so a brief spritz is less dangerous than a diffuser running for three hours. see rabbit respiratory issues Singapore for the broader context on respiratory hazards.
the dengue fogging week
NEA dengue fogging is a feature of SG life, especially during peak dengue months (typically May to October). the protocol involves spraying permethrin-based mist insecticide in corridors, void decks, and common areas. fogging crews work fast and the chemical disperses as a fine mist that hangs in the air and settles on surfaces.
when you receive the fogging notice. most notices arrive by SMS to the registered household number, or by physical letter dropped at the door. the notice typically gives 24 hours’ warning, sometimes less.
what to do:
- close all windows and doors facing the corridor or void deck before fogging begins.
- turn off any fans that pull air from outside.
- if you have an air purifier with a HEPA filter, run it during and after fogging with the air intake away from windows.
- keep the rabbit in an interior room with the door closed.
- do not open windows for at least two to three hours after fogging is confirmed complete. if you are not sure when it ended, wait until the smell has fully dissipated before ventilating.
- after ventilating, wipe down any surfaces the rabbit walks on in case fogging mist entered through gaps.
the risk is real on lower floors. a flat on the first or second storey with windows open during corridor fogging will have measurable insecticide concentrations inside. a rabbit sitting by the window during fogging is in direct exposure. for related reading on air quality management, see rabbit haze Singapore.
how to spot poisoning early
rabbits mask illness well. by the time symptoms are visible, exposure has often been ongoing for a while. knowing the early signs is the difference between a vet visit with treatment options and a vet visit that is too late.
drooling or wet chin. often the first sign of oral irritation from calcium oxalate plants. if the rabbit’s chin is wet and it has recently been in a room with houseplants, treat this as a poisoning signal.
lethargy and reluctance to move. a rabbit that was active and is now sitting hunched in a corner has something wrong. this is a catch-all early sign for many types of poisoning.
GI changes. a rabbit that stops producing cecotropes, produces abnormally soft or liquid droppings, or stops producing droppings altogether is in GI distress. in the context of potential poisoning, this warrants immediate vet contact.
head tilt or loss of coordination. neurological signs from heavy metal poisoning, insecticide exposure, or certain plant toxins. a rabbit suddenly stumbling or tilting its head has a serious problem.
changes in urine colour. dark orange or red-brown urine can indicate haemolysis (red blood cell destruction from allium toxicity) or kidney stress. not all urine discolouration is poisoning, but in the context of a known exposure incident, treat it as a symptom.
rapid or laboured breathing. a sign of respiratory toxin exposure (essential oils, coils, insecticides) or cardiovascular compromise (chocolate toxicity, avocado). count breaths per minute. a resting rabbit breathes 30 to 60 times per minute. significantly above this is abnormal.
seizures or convulsions. a late-stage sign in several types of poisoning (insecticides, certain plants, theobromine). this is a veterinary emergency with no home response time available.
the first 30 minutes if you suspect poisoning
the 30-minute window is where the outcome is often determined. here is the response sequence.
do not induce vomiting. this is the most critical difference from dogs and cats. rabbits cannot vomit. attempting to induce vomiting can cause aspiration and additional physical harm. nothing should be given orally unless specifically directed by a vet on the phone.
stop the exposure immediately. remove the rabbit from the area. if the hazard is a plant, take it away. if the hazard is a cleaned floor, move the rabbit to a different room. if the hazard is airborne (coil smoke, diffuser), move the rabbit to the most ventilated room with the fewest fumes and open windows in that room.
identify the substance. what specifically was ingested or exposed to? this matters enormously. a vet asking “what did it eat” needs a specific answer, not “a plant.” take a photo of the plant, product, or substance. if possible, take the packaging or a leaf sample to the vet.
do not wait for symptoms to worsen. rabbits compensate well until they suddenly do not. by the time seizures or unresponsiveness occur, significant internal damage has already happened. call the vet the moment you have confirmed or strongly suspected exposure.
call the vet now. Beecroft Animal Specialist and Referral Centre handles exotic emergencies but operates specific hours, so verify before going. have your regular vet’s number in your phone, plus at least one backup exotic emergency clinic. SG emergency vet consults run 150 to 300 SGD, and treatment (activated charcoal, IV fluids, supportive care) adds to that cost. having a first aid kit ready at home does not replace this call, but it helps you stay calm while you make it.
transport carefully. keep the rabbit warm (not hot), in a secure carrier. if the rabbit is seizing, wrap it loosely in a towel to prevent injury. do not leave the rabbit alone in the back seat. if you need to grab, drive and monitor, that is preferable to leaving it unwatched.
tell the vet everything. how long ago, what specifically, how much approximately, and what symptoms you have seen. do not omit anything because you are worried about judgment. the vet needs the full picture to choose the right intervention.
what owners often get wrong
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“diluted bleach is safe.” it is not safe for rabbits. the residue left on mopped floors after the visible wetness is gone still contains active chlorine compounds. dilution reduces the concentration, not the risk profile.
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“natural plants are safe.” natural origin is not a safety category. pothos, peace lily, and dieffenbachia are entirely natural and entirely toxic. the word “natural” on a product label (candles, diffusers, pest sprays) also does not mean safe for rabbits.
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“it only ate a little bit.” calcium oxalate toxicity and allium toxicity are both cumulative. a rabbit that has small exposures over multiple days from a trailing pothos it has partial access to is accumulating damage. the “small amount” argument is the one that delays vet contact until the damage is serious.
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“it seems fine.” rabbits mask illness. seeming fine two hours after a confirmed ingestion event does not mean there is no problem. with certain toxins (alliums, lead), the clinical signs appear days after the exposure event.
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“the vet visit can wait until morning.” with acute poisoning, four to six hours of delay can be the difference between treatment and critical care. if the suspected exposure happened in the evening, evening emergency rates and the discomfort of the trip are worth it.
related reading
- rabbit-safe houseplants Singapore — the positive version of this guide: what you can actually keep without worry, with SG nursery availability notes.
- rabbit-proofing HDB step by step — room-by-room proofing covering cord management, paint, hardware, and chemical storage, with HDB-specific constraints.
- rabbit haze Singapore — the PSI-triggered parallel to dengue fogging season: what air quality levels require action, and how to manage indoor air during haze.
- first aid kit rabbit Singapore — what to keep at home, what it can and cannot help with, and how to organise for a fast emergency response.
- our vet directory — keep an after-hours exotic clinic saved in your phone before a poisoning emergency hits
community-sourced information here is not veterinary advice. for any health concern, including suspected poisoning, contact a licensed SG exotic vet directly.