4 doctors weighed in:

What could happen if you leave head lice treatment in your head overnight?

4 doctors weighed in
3 doctors agree

In brief: Depends

There are various treatments for head lice, mostly with different types of insecticides.
It is always important to follow the instructions of the medicine you were prescribed in order to optimize your results and to avoid potential side effects. Some compounds are derived from chrysanthemums , namely permethrin. If you are allergic to the flowers, have asthma or a pregnant discuss this with md.

In brief: Depends

There are various treatments for head lice, mostly with different types of insecticides.
It is always important to follow the instructions of the medicine you were prescribed in order to optimize your results and to avoid potential side effects. Some compounds are derived from chrysanthemums , namely permethrin. If you are allergic to the flowers, have asthma or a pregnant discuss this with md.
Dr. Josephine Ruiz-Healy
Dr. Josephine Ruiz-Healy
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