Indications & Usage

Comprehensive information on the approved uses of Mefloquine Tablets USP 250mg for malaria treatment and prevention.

Treatment of Uncomplicated Malaria

Acute Malaria Treatment

Approved for: Treatment of mild to moderate uncomplicated malaria caused by:

Plasmodium falciparum

Most common and dangerous malaria species

Plasmodium vivax

Common in Asia and Latin America

Plasmodium malariae

Less common but widely distributed

Plasmodium ovale

Rare, found mainly in Africa

Treatment Criteria:

  • Uncomplicated malaria (no severe manifestations)
  • Ability to take oral medication
  • No contraindications to mefloquine therapy
  • Confirmed malaria diagnosis or high clinical suspicion

Malaria Prophylaxis (Prevention)

Preventive Therapy

Approved for: Prevention of malaria in travelers to endemic areas

High-Risk Geographic Areas:

Sub-Saharan Africa

High transmission areas, especially West and Central Africa

Southeast Asia

Thailand, Myanmar, Cambodia, Vietnam, Laos

South America

Amazon basin regions of Brazil, Peru, Bolivia

Indian Subcontinent

Parts of India, Pakistan, Bangladesh

Ideal Candidates for Prophylaxis:

  • Short-term travelers (up to 1 year)
  • Military personnel
  • Aid workers and missionaries
  • Business travelers to endemic areas
  • Adventure travelers and tourists

Dosage Guidelines by Population

Adult Dosage

Treatment: 5 tablets (1250mg) single dose

Prophylaxis: 1 tablet (250mg) weekly

Maximum: 1250mg for treatment

Pediatric Dosage

Treatment: 25mg/kg (max 1250mg)

Prophylaxis: 5mg/kg (max 250mg)

Age: 6 months to 16 years

Special Populations

Elderly: Use with caution

Renal impairment: No adjustment needed

Hepatic impairment: Avoid if severe

Geographic Risk Assessment

High Risk Areas

  • Sub-Saharan Africa (especially West Africa)
  • Papua New Guinea and Solomon Islands
  • Amazon basin
  • Parts of Southeast Asia

Moderate Risk Areas

  • South Asia (India, Bangladesh)
  • Parts of Southeast Asia
  • Parts of Latin America
  • Caribbean islands (Haiti, Dominican Republic)

Low/No Risk Areas

  • Urban areas of Southeast Asia
  • Most tourist resorts
  • Areas above 2000m altitude
  • North Africa, Middle East

Special Population Guidance

Children

Age: 6 months to 16 years

Dosing: Weight-based calculation

Considerations: Parents must monitor for psychiatric side effects

Monitoring: Regular follow-up during prophylaxis

Pregnant Women

First Trimester: Contraindicated

Second/Third: Use only if benefits outweigh risks

Alternative: Consider other antimalarials

Consultation: Required before use

Breastfeeding Mothers

Excretion: Present in breast milk

Decision: Benefit vs risk assessment

Alternative: Consider formula feeding

Monitoring: Watch infant for side effects

Elderly Patients

Age: >65 years

Dosing: Standard adult dose

Monitoring: Increased side effect vigilance

Comorbidities: Consider cardiac/hepatic status

Resistance Information

Drug Resistance Patterns

Understanding malaria resistance is crucial for effective treatment

High Resistance Areas
  • Thai-Myanmar and Thai-Cambodia borders
  • Western Cambodia
  • Eastern Myanmar
  • Southern Vietnam

Recommendation: Alternative antimalarials preferred

Moderate Resistance Areas
  • Parts of Africa (emerging resistance)
  • South America (Amazon region)
  • Some Pacific islands

Recommendation: Use with local resistance data

Low Resistance Areas
  • Most of Sub-Saharan Africa
  • Caribbean
  • Central America

Recommendation: Mefloquine remains effective