Questions and Answers
What is a necessary condition for treating scabies with drugs?
Drugs must be safe
What is the concentration of sulphur ointment considered effective for treating scabies?
10% sulphur ointment
What is a common side effect of using sulphur ointment to treat scabies?
Odour
How long should Benzyl Benzoate be left on the skin before taking a second bath?
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What is a contraindication for using Benzyl Benzoate to treat scabies?
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What is the minimum concentration of Benzyl Benzoate that can be used to treat scabies in young adults or children?
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What is the general term for the mistaken belief of being infected by insects or other organisms?
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What is the advantage of using ointment over lotion for treating scabies?
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Study Notes
Treatment of Scabies
- Safe drugs are essential for treating scabies.
- Treatment involves a fixed period of medication for all family members.
- Scabecide is applied to the entire body except the head and neck.
- Clothes are washed after treatment is completed.
Post-Scabetic Itching
- Oral antihistamines can relieve itching.
- Oral antibiotics may be prescribed.
Treatment Failure
- Acarophobia (fear of mites or ticks) and Entomophobia (fear of insects) may occur.
Parasitic Dermatophobia (PD) or Delusional Parasitosis (DP)
- A psychological disorder where individuals believe they are infected with parasites.
- Characterized by a mistaken but unshakable belief of infection by insects, spiders, scorpions, ticks, mites, parasitic worms, bacteria, or other living organisms.
Sulphur Ointment
- 10% sulfur ointment is a safe and effective topical treatment for scabies.
- It is more effective than 5% permethrin cream.
- Side effects: odour, staining, and irritation.
Benzyl Benzoate (BB)
- A commonly prescribed agent for scabies worldwide.
- 10%–25% concentration is used.
- Applied below the neck with 3 applications in 24 hours.
- Not available in the US or Canada.
- Can cause allergic contact dermatitis.
- Contraindicated in pregnancy, lactating women, infants, and children.
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