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Guides · Pests & termites

Is termite treatment safe for children and pets? Re-entry time, fish tanks, ventilation and what to get in writing

Written by the UpClean team · Reviewed by: Trần Nguyễn Hữu Nhật · Updated

Termite products are chemicals that are toxic to insects, so how safe a treatment is for a family depends on three things: the product is on the list permitted for use in Vietnam, it is applied as its label directs, and the household keeps to the re-entry time the provider gives. No method should be advertised as completely non-toxic. Before the visit, ask which areas to avoid and for how long, move pets out, cover the fish tank, and keep the written record of the product and the areas treated.

Is termite treatment toxic?

Every termite product is designed to harm insects, so the useful question is how well the risk is controlled. The University of Kentucky's position is that, on present knowledge, registered termiticides pose no significant hazard to people, pets or the environment when they are used according to the label. That last condition is the part a household needs to watch.

Risk usually comes from a product of unknown origin, from mixing it wrongly, from spraying freely into living areas, from leaving food uncovered, or from letting people and pets back too soon. Exposure also differs by method: bait inside a closed station limits contact more than spraying or injecting over a wide area indoors.

What kinds of termite product are there, and how much contact does each involve?

Product names on shop shelves and in quotes vary widely, and the products come as bait, powder, liquid, foam or aerosol. Sorted by how they act on the colony, they fall into three groups. This guide stays at that level and gives no trade names, active ingredients or doses, because those have to be read on the label of the exact product that will be used.

A treatment sold as biological usually belongs to the bait group, because it relies on the termites' own behaviour to spread the product through the colony; the word is sometimes also attached to microbial products. In either sense it is still an insecticide, which needs a registration number and has to be used as its label directs.

GroupHow it acts, and what that means at home
Transfer baitA slow-acting product in a monitoring box or bait station. Workers eat it or pick it up on their bodies, then pass it on as they feed and groom one another. It is aimed at the whole colony, including the part of the nest nobody can see, and it needs termites that are still active and time for monitoring. There is little spraying in the living space.
Residual treatment on surfaces and in timberProduct is put onto a surface, into a crack or mud tube, or into the wood under attack, and stays for a time to kill termites that touch it and keep them from that spot. It acts quickly over a small area and does not reach a nest outside the treated zone.
Soil treatment that forms a barrierProduct goes into the soil under the floor, around the foundations and at the base of the walls, as a zone between the ground and the building. It leans towards long-term prevention and is simplest while a house is being built. In a finished house it means working into the floor and the base of the walls, which can involve drilling, and the re-entry time can be longer.

What makes a termite product, and a provider, lawful in Vietnam?

A lawful treatment rests on a product that is permitted here and a provider that has filed the required declaration. Both can be checked on paper before anyone arrives.

What to checkThe rule
TermiticidesThey belong to the termiticide group of the List of plant protection products permitted for use in Vietnam, which the Ministry of Agriculture and Environment issues and updates periodically.
Household and medical insecticidesThey must carry a registration number issued by the Ministry of Health, printed on the label. These are the products generally used indoors against cockroaches, ants and mosquitoes.
The service providerA business offering pest control with chemical products has to declare that it is eligible, to the Department of Health of the place where it has its head office (Decree 91/2016/ND-CP, as amended). The Department posts that information on its website.
What you may ask forThe product name, its registration number, the label or the safety data sheet, and the provider's eligibility declaration, all before the day of treatment.

How long do we have to stay out after termite treatment?

There is no single figure. The re-entry time, meaning how long people and animals keep out of a treated area, depends on the product, the way it is applied, the area treated and how well the space is ventilated. Follow the provider's written instructions exactly.

With bait, or spot treatment at one location, a family usually only needs to keep away from the area being worked on. With spraying or injection over a wide area indoors, the time can be longer. Before the day, ask three things: which areas to avoid, for how long, and when the doors and windows may be opened to air the rooms.

What should the household do before the visit?

Preparation is mostly a matter of telling the provider who lives in the house and putting things out of reach. The table follows the people, animals and belongings concerned.

Who or whatWhat to do
Food, dishes, toys, babies' bottlesShut them in closed cupboards or take them out of the area to be treated.
Young childrenTell the provider about them in advance, so that a lower-contact method such as bait can be considered. They keep out of the area for the whole re-entry time.
Pregnant women, older people, anyone with a respiratory illnessThey should leave the area for the longest of the periods the provider recommends. With a particular concern during pregnancy, ask your doctor.
Asthma, allergies, a newborn at homeSay so beforehand, so that the provider can weigh a suitable method.
Dogs, cats, pet birdsTake them somewhere else, and put away their feeding trays and water bowls.
Fish tankCover it tightly or move it, because many insecticide products are toxic to fish and other aquatic life. Ask beforehand what to do about the air pump.

What do we do when we come back in?

  • Open the doors and windows to air the rooms, from the time the instructions allow.
  • Wipe food-contact surfaces as instructed.
  • Do not wash or wipe the points that were given a residual treatment, and do not move the bait stations.
  • Do not add a shop-bought spray of your own once the provider has treated, and never mix chemicals.
  • Keep the document that records the product name, the areas treated and the re-entry instructions, so that it can be looked up later.
  • Smell varies: some products have a slight one at first, others almost none. Airing the rooms as instructed helps it fade; if an unpleasant smell lingers, tell the provider.
  • If anyone feels dizzy or nauseous, is short of breath, or has irritated skin or eyes after treatment, take them into fresh air and contact a medical facility, bringing the product information with you.

What should I ask for in writing before the day?

Ask for the items below before the visit, in writing. Be wary of a provider that will not give a product's name or registration number, that works from unlabelled bottles or from labels with no Vietnamese on them, or that advertises a treatment as completely non-toxic or absolutely safe.

Ask forWhat it should tell you
The productIts name and registration number, whether it is on the permitted list, and a copy of the label or the safety data sheet.
The methodWhat is proposed and why, and whether there is a way of doing the job that uses less chemical.
PreparationWhat the family has to do beforehand.
The re-entry timeWhich areas to keep out of, for how long, and when the rooms may be aired.
The provider's statusIts declaration of eligibility to provide pest-control services, which you can compare with the website of the Department of Health where the provider is based and with the legal entity named on the contract and invoice.
A record afterwardsThe product name, the areas treated and the re-entry instructions, to keep on file.

If I treat one small spot myself, what are the rules?

A small, easily watched spot can be treated with a ready-made product. Use the right kind in the right place, and add no risk for the people in the house. Hand the job over if the household includes a baby, a pregnant woman, someone with asthma or several pets, or if termites have spread beyond one place.

  • Buy only a product permitted for sale in Vietnam: a label in Vietnamese, a registration number, the name of the business responsible and an expiry date. No decanted bottles, no unlabelled goods.
  • Read the whole label before opening it: what it is for, where it may be used, the warnings and the re-entry time. A product labelled for construction sites or outdoor use does not belong in a room people live in.
  • Follow the label. Do not increase the amount, do not mix it with another product, and do not substitute petrol, oil or home-made chemicals.
  • Wear the protection the label asks for, usually gloves, a mask, goggles and long sleeves. Open the windows, then wash your hands and change your clothes afterwards.
  • Pregnant women, older people, anyone with a respiratory illness and young children stay out of the area for as long as the label requires. Toys, babies' bottles, food and dishes are put away first.
  • Move dogs, cats and pet birds elsewhere, and cover or move the fish tank.
  • Store what is left in its original packaging, locked away and far from the kitchen. Never pour leftover product into a drain, a pond or a planter.
  • At any unusual reaction of the breathing, skin or eyes, stop at once, go into fresh air and take the packaging with you to a medical facility.

How does UpClean handle a termite visit, and how do I book a survey?

UpClean's own pest-control technicians carry out the treatment, using only products on the permitted list that hold a valid registration number in Vietnam. The survey is free. Before a date is set you receive the plan, the product, the re-entry time and an all-inclusive quote in writing, with any precautions specific to your household.

On the day, Up specialists, UpClean's identity-verified and trained staff, cover timber furniture, kitchen cabinets, floors, food and children's things, and stay through the visit. They clean afterwards according to the safety instructions, leaving alone the points that have to stay as they are. UpClean has declared its eligibility to provide pest-control services as required by regulation; the declaration and product information are available on request.

The visit is written up in an Up Report, sent by WhatsApp or Zalo with the treated areas, photographs and the follow-up dates. To book, message 0968 726 135 on WhatsApp or Zalo with photos of what you have found and a note of who lives in the house, pets included, or call between 7:00 AM and 8:00 PM on any day. Enquiries, quotes and the Up Report can be in English. The specialist's name and photo are sent beforehand, which covers a building that asks residents to register outside staff with its management.

Termite control
What the service includes and the areas covered.
Termites in Saigon houses: signs and treatment
How to recognise termites and how the treatment methods compare.
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Send the request online.

Frequently asked questions

Does termite treatment affect young children?+

The risk is kept to a minimum when the product is lawful, it is used according to its label, and the child stays out of the area for the re-entry time given. Tell the provider about young children beforehand, so that a lower-contact method such as bait can be considered.

I am pregnant. Should I stay at home during termite treatment?+

Better not. Leave the area for the re-entry time and, if you can, for the longest period the provider recommends. Ask your doctor about any particular concern.

How soon after termite treatment can we go back into the house?+

It depends on the product and the method. Keep to the re-entry time in the provider's written instructions, and ask about it before the day of treatment.

Does termite treatment smell, and how long does the smell last?+

Some products have a slight smell at first and some have almost none. Airing the rooms as instructed helps it fade quickly. If an unpleasant smell lingers, tell the provider.

Is biological termite treatment completely non-toxic?+

No. Biological does not mean non-toxic. Every termite product acts on insects, so ask for the product name, the registration number and the precautions exactly as you would for any other method.

How do I check that a termite company is allowed to do this work?+

Ask the company for its declaration of eligibility to provide pest-control services and compare it with the website of the Department of Health where the company is based. Check the legal entity named on the contract and the invoice as well.

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Content reviewer

Trần Nguyễn Hữu Nhật

Founder of UpClean

Founder of UpClean and legal representative of Uptech Technology Solution Company Limited, the company that operates UpClean. Personally reviews the expert content and service commitments published on this website.

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