Crabs (Pubic Lice)
Dermatology/STI · Infectious & Parasitic
Mild
Severity
Worldwide distribution; one of the three types of lice infestations
Prevalence
Yes
Contagious
Dermatology/STI
Specialist
📖What is Crabs (Pubic Lice)?
Pubic lice (crabs) are tiny insects that infest the pubic hair region. They are usually spread through sexual contact. Though annoying and itchy, they do not cause serious health problems.
Severity
Mild
Specialty
Dermatology/STI
Prevalence
Worldwide distribution; one of the three types of lice infestations
Contagious
Yes
Category
Infectious & Parasitic
Treatment
Available
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Warning Signs — When to Seek Immediate Help
- Sudden severe worsening of Crabs (Pubic Lice) symptoms not responding to prescribed treatment
- Difficulty breathing, chest tightness, or rapid heartbeat associated with Crabs (Pubic Lice)
- High fever (above 39 °C / 102 °F) that does not improve with medication after 24 hours
- Confusion, altered consciousness, severe weakness, or inability to stand or speak clearly
- Signs of rapidly spreading infection — increasing redness, swelling, or skin changes
- Symptoms occurring in infants, elderly (65+), pregnant women, or immunocompromised individuals
- No improvement after 48–72 hours of prescribed Crabs (Pubic Lice) treatment
- New or different symptoms suggesting spread to other organ systems
🤒Common Symptoms
🔬Causes & Risk Factors
- 1Caused by the parasite Pthirus pubis (crab louse). Spread through close physical contact
- 2usually sexual. Can also spread through sharing bedding
- 3towels
- 4or clothing (less common).
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🩺How Doctors Diagnose Crabs (Pubic Lice)
- 1Physical examination and complete medical history review by a Dermatology/STI specialist
- 2Laboratory investigations — blood tests, urine analysis, and culture studies as indicated
- 3Imaging studies such as X-ray, ultrasound, MRI, or CT scan depending on the suspected cause
- 4Biopsy, endoscopy, or other invasive diagnostic procedures if required
- 5Specialist consultation and further tests based on initial findings
- 6Regular monitoring and follow-up to assess disease progression and treatment response
💊Treatment Options
- 1Topical insecticide lotions or creams (permethrin
- 2malathion
- 3ivermectin). Wash clothing
- 4bedding
- 5and towels in hot water. Sexual partners should be treated simultaneously.
🛡️Prevention of Crabs (Pubic Lice)
- 1Avoid sexual contact with infested individuals
- 2avoid sharing bedding or towels with infected persons
- 3regular STI screenings
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Disease Progression Timeline
Onset
Crabs (Pubic Lice) begins with mild or non-specific symptoms that may be easy to overlook. Early self-care may help at this stage.
Development
If untreated, symptoms gradually worsen. Medical evaluation is recommended when symptoms persist or affect daily activities.
Treatment Phase
With proper diagnosis and treatment from a Dermatology/STI specialist, most patients experience significant improvement.
Recovery & Maintenance
Many patients achieve full recovery or effective long-term management with regular check-ups and healthy lifestyle habits.
Crabs (Pubic Lice) Treatment Cost in India (2024–25)
| Service | Govt / Budget | Private |
|---|---|---|
| Dermatology/STI Consultation | ₹300 – ₹1,500 | ₹1,500 – ₹5,000 |
| Diagnostic Tests (Basic) | ₹500 – ₹3,000 | ₹3,000 – ₹10,000 |
| Advanced Imaging (MRI/CT) | ₹2,000 – ₹6,000 | ₹6,000 – ₹25,000 |
| Hospitalisation (if required) | ₹5,000 – ₹20,000 | ₹25,000 – ₹1 lakh |
| Medications (Monthly) | ₹300 – ₹2,000 | ₹2,000 – ₹10,000 |
* Costs are approximate estimates for India (2024–25). Actual prices vary by city, hospital, and patient condition. Ayushman Bharat / CGHS may cover eligible treatments.
Frequently Asked Questions
What is Crabs (Pubic Lice)?+
Pubic lice (crabs) are tiny insects that infest the pubic hair region. They are usually spread through sexual contact. Though annoying and itchy, they do not cause serious health problems.
What are the main symptoms of Crabs (Pubic Lice)?+
The most common symptoms include: Intense itching in the pubic area (and armpits; chest hair; eyebrows; eyelashes). Early recognition is key to prompt diagnosis and effective treatment.
Is Crabs (Pubic Lice) contagious?+
Yes, Crabs (Pubic Lice) is contagious. It can spread from person to person. Practice good hygiene, avoid close contact with infected individuals, and follow isolation guidelines if advised by a doctor.
How is Crabs (Pubic Lice) treated?+
Treatment options include: Topical insecticide lotions or creams (permethrin; malathion; ivermectin). Wash clothing. Treatment should always be guided by a qualified Dermatology/STI specialist. Do not self-medicate.
Can Crabs (Pubic Lice) be prevented?+
While Crabs (Pubic Lice) cannot always be fully prevented, several measures can reduce risk: Avoid sexual contact with infested individuals; avoid sharing bedding or towels with infected persons; regular STI screenings.
When should I see a doctor for Crabs (Pubic Lice)?+
Consult a Dermatology/STI specialist if symptoms persist for more than a few days, worsen despite home care, or significantly affect your daily activities. Early diagnosis leads to better outcomes.
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⚕️ Medical Disclaimer
This page is for informational purposes only and does not substitute professional medical advice. Always consult a qualified healthcare professional. In emergencies, call 112.