How Dangerous are Deltamethrin Insecticide Sprays?

Is Deltamethrin Insecticide Spray Harmful

Whenever you come across an insect or pest inside your premises, most probably you would run and grab an insecticide spray to kill it.

That’s the common reaction and it is the least harmful method which you can deploy against those pestering insects.

The good thing is most of these insecticides are not much harmful until inhaled or ingested a lot into our bodies.

Out of the many insecticides available in the market, we are going to deal with Deltamethrin insecticide spray – an insecticide belonging to the branch of pyrethroids.

Deltamethrin insecticide sprays are used commonly due to the very nature of less harmful to human beings and pets, even if ingested by mistake.

When touched or breathed in these are low in toxicity, but if consumed these can be moderately toxic to humans as well as animals.

What is deltamethrin insecticide?

Belonging to the class of Pyrethroids – Deltamethrin- a chemical insecticide – get extracted from chrysanthemum flowers as a synthetic chemical.

No doubt, due to their fewer side-effects, they are preferred as a good alternative to killing insects more humanely.

How does it work?

When sprayed, they target the nervous system of the insects, which makes them paralyze and eventually kills them.

Even though these pests and insects have become more immune to these kinds of sprays, Deltamethrin stands out as the best insecticide spray killer in the market.

These sprays are highly efficient in treating pest infestations and this pesticide component is often found commonly in many different brands, due to its effectiveness.

What insects does it kill?

Deltamethrin can attack any insect or pest as they work on the principle of damaging their central nervous system.

Even flies and other flying insects or pests can be killed with this spray when targeted rightly.

Apart from this, you can also use dust or powder of deltamethrin around the source point of insects as an added advantage to kill them completely.

It is effective in killing both indoor and outdoor insects. To have an idea of what kind of insects it kills, look below:

Indoor – Ants. mites, bed bugs, fleas, gnats, moths, scorpions, ticks, millipedes, termites, beetles, spiders.

Outdoor – Wasps, sowbugs, centipedes, earwigs, bees, crickets, mosquitoes, and fire ants.


Is deltamethrin harmful to humans and pets?

Deltamethrin spray is harmful to pets and human beings as well because it works for them the same way it does to kill insects.

But the thing is only the degree of its efficacy varies.

We humans and pets are more tolerant towards these pesticides when administered in small quantities.

This is the reason, if you inhale a lower quantity by mistake, it doesn’t affect you much. 

Generally, this synthetic chemical insecticide of Deltamethrin is considered safe due to its low toxicity.

No doubt, there can be side effects for some, if ingested, but they are not life-threatening and can be treated.

Still, it is better to exercise caution while using it. 

Some of the common side effects are skin irritation, dizziness, headache, nausea, etc.

But if the symptoms persist it is advisable to visit an ER (Emergency Room) or dial the poison control department to get first aid help.

As a safety measure, it is better to wear a mask and gloves while handling it and make sure to wash your hands after using them.


Does deltamethrin harm fish and aquatic wildlife?

Compared to humans and pets, the toxicity of Deltamithrin will remain high for fish and other aquatic animals.

Due to their delicate central nervous system, they cannot withstand the dosage of this pesticide, even if administered in low quantity, which attacks their nervous system and proves fatal to their lives. 

Understandably, the side-effects it causes to the environment can be kept at bay completely.

You can take steps to protect aquatic animals living in ditches and drains by taking steps and precautionary measures in flushing out the deltamethrin dust to a different area. 

The Conclusion

To put it in nutshell, Deltamethrin is a commonly used insecticide that kills insects and pests by attacking the normal flow in their central nervous system, resulting in paralysis and death eventually. 

It is available as a spray or dust, which can be administered alone or in combination with different bases carefully, depending on the insects you wish to avoid.

They are low toxic for humans and pet animals, so used at large commonly. However, they prove deadly not only to insects but to fish as well.

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