VOL: 101, ISSUE: 22, PAGE NO: 29Generic and proprietary names
Generic and proprietary names
- Interferes with the nervous system of parasites, paralysing and eventually killing them.
- Permethrin is active against head lice but formulation of current products makes them unsuitable for treating head lice.
- Parasitical preparation.
- Crab lice (Phthirus pubis).
- Not to be used on broken or secondarily infected skin.
- Avoid use in children under six months.
- Medical supervision is required if using dermal cream to combat scabies in children aged between two months and two years.
- Avoid contact with eyes.
- Topical cream.
- Avoid application after bathing as raised temperature may increase absorption into the blood and remove the preparation from the site of action.
- Two applications of permethrin with a week between doses.
- In patients with hyperkeratotic scabies, two to three applications on consecutive days may be needed to ensure preparation penetrates the crusts of skin to kill all the mites.
- Preparation should be applied, allowed to dry naturally and washed off after 12 hours.
- A repeat treatment must be applied a week later to kill lice from any surviving eggs.
- Permethrin should be kept in a closed container in a cool, dry place and out of the reach of children.
- Permethrin should be protected from light.
- All members of the affected family should be treated at the same time.
- The preparation should be applied to the whole body including the neck, face, scalp and ears.
- The preparation must be applied to the webs of the toes and fingers.
- It is important to reapply the preparation to the hands after washing them.
- The itch can persist for some time after the infestation has been eliminated.
- All surfaces of the body must be treated including the scalp, ears, neck and face.
- It is important not to miss the eyebrows and any other facial hair such as beards.
- Nurses should refer to manufacturer's summary of product characteristics and to appropriate local guidelines.