Toxic effects of pyrethrins and pyrethroids in humans

Very interesting in terms of history as everyone knows that pyrethrins and pyrethroids are chemicals derived from the flowers of Chrysanthemum cinerariifolium which has been used throughout history to kill various kinds of insects. It contains many such chemicals that have the ability to kill insects. There are those that are important in taking action against insects.

It inhibits the metabolic system of insects and has been used for centuries to kill them. But when we talk about the other side, ie humans, it is used a lot to kill lice and some people try to take tea of Chrysanthemum cinerariifolium for their better health. But it can come with a lot of dangerous effects.

These disadvantages can be short-term or long-term in a chronic situation, so the advantages are as mentioned above, it has been used as their site and It is still happening today but on the other hand, there are some harms that are being caused to human beings due to this chemical.

The toxic health effects of pyrethrins and pyrethroids

Tongue and lip numbness

In humans, numbness of the lips and tongue is possible with the use of pyrethrins and pyrethroids and this goes on for a little while and in some cases for a longer period of time. They stop working and The effect remains. This numbness persists and it may be necessary to go to the hospital if it is used in large quantities.

Muscle tremors

Muscle shock is also a big sign that you have used this chemical. The story becomes clear when the triangle is shaken repeatedly and is out of control. This is actually due to a malfunction in the nervous system. Occurs in the nervous system and disturbs the signals to the body do not go properly which is why this happens.

Respiratory failure

There is a risk of respiratory diseases such as asthma. pyrethrins and pyrethroids causes severe allergies in some people, which causes inflammation in the airways and causes inflammation in the airways. It will be difficult to breathe and if the immune system starts working against its own cells then the fever will become a disease forever. It will always be difficult to breathe.


If pyrethrins and pyrethroids has been used by mistake, vomiting is inevitable. Basically, the body takes steps to keep itself balanced so that the chemicals that have gone inside you are expelled from the body as soon as possible. So that your body is in balance again and start working properly


Diarrhea complaints are also evident after the use of pyrethrins and pyrethroids. You may have diarrhea and then you may have dehydration.


As we know, paralysis is a disorder of the nervous system in which any part of the body stops working, mainly the posterior nervous system, which causes this process to occur and disrupts the nervous system. pyrethrins and pyrethroids plays a role in overuse of this chemical which can be a lifelong disease.


If you accidentally use pyrethrins and pyrethroids, your mouth will start to water and will continue to flow until your body returns to normal. This is because the body Every effort is being made to get this chemical out of the health as soon as possible


Lethargy can also be a process that occurs when you have used this chemical because your number system is not working properly as described above. You are constantly not working properly and you feel sluggish and lazy

Seizures epilepsy

In some cases, these symptoms are not the same as epileptic seizures. A person who has used this chemical can be very upset because the nervous system stops working and does not work.


In humans, too many pyrethrins and pyrethroids chemicals can lead to death. if it is used in large quantities, as it damages the nervous system. It knows the balance of enzymes in the body, which prevents coordination throughout the body. And finally, death happens. [1]DRAFT ([2]Poisoning due to Pyrethroids | SpringerLink[3]jp-journals-10071-23304 ([4]Pyrethroids: How They Affect Human and Animal Health? – PMC ( 

Reviewed by:
Dr. Muhammad Adnan Asghar (Ph.D.)
Chinese Academy of Sciences Fuzhou, Fujian

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