1. How many times can you use Permethrin cream?
Permethrin kills mites and lice after a single-use. For scabies, apply the lotion on the entire body and wash it off after a few hours. For lice, apply the lotion on wet hair and leave it for 10 minutes. Use a lice comb to remove all the dead lice.
2. Can I use Permethrin every day?
You can use Permethrin one or two times to treat scabies and head lice. If you observe live scabies mites after 14 days of application, you can use it the third time or use a different medication. It does not have a purpose for daily application.
3. What happens if you leave Permethrin cream on too long?
It is always recommended to follow the instructions on the label. It is not advisable to use more than the mentioned amount or leave it longer. If you leave it longer, you may experience itching, burning, redness, swelling, irritation, etc.
4. Is Permethrin harmful to humans?
Permethrin is absorbed into the skin. It is not harmful to humans when used as an external cream or lotion in the recommended dosage. However, if ingested, inhaled, or applied in larger amounts, you may experience side effects.
5. Is Permethrin safer than DEET?
Both DEET and Permethrin are effective insect repellents. DEET is applied to the skin, and Permethrin is applied to the clothes. However, you cannot apply Permethrin directly on the skin as an insect repellent. They are used together for better protection.
6. What is the difference between Permethrin and pyrethrin?
The main difference is that Permethrin is a synthetic chemical substance, and pyrethrin is a natural substance made from chrysanthemums. Permethrin is stable in sunlight and pyrethrin is not. Both can kill insects effectively.
7. How long does Permethrin last?
If you apply Permethrin to clothes, it can last for up to 20 days.
8. Will it rain wash away Permethrin?
No, rain does not wash away Permethrin. But during rain, it remains inactive. It becomes fully active after the rain dries.
9. How to apply Permethrin cream for lice?
First, wash your hair with only shampoo. After rinsing:
- Apply Permethrin to the wet hair.
- Cover the scalp and hair completely.
- Leave it on for 10 minutes and wash it out.
- Use a lice comb to remove all the dead lice and eggs from the hair.
10. Is Permethrin safe?
Permethrin is safe if you follow all the application directions. It can cause mild irritation. It is absorbed into the blood. Still, it is safe for adults and children over two years old.
11. Is Permethrin safe for pregnancy?
Yes, Permethrin is considered safe in pregnancy. But it is always a good idea to consult your doctor before using any medication during pregnancy. This study has concluded its safety in pregnancy.
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