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ANTIBIOTIC WHO Essential Verified Rx Required

Doxycycline

Also known as:VibramycinDoryxOraceaMonodox "Doxy"
2 Protocols
2 views
Find Where Available

Primary Use

Treatment of bacterial STIs including chlamydia and as prophylaxis for certain infections.

Also Used For:

Acne treatment
Malaria prophylaxis
Lyme disease
Respiratory infections

Drug Classification

Medication Type
ANTIBIOTIC
Drug Class
Tetracycline antibiotic

Dosage & Administration

Standard Dosage
100mg
Frequency
Twice daily
Duration
7 days for STIs
Route
ORAL
Best Time
Morning and evening with meals
Important
Food and full glass of water

Available Forms

Dosage Forms

TABLETCAPSULE

Available Strengths

50mg75mg100mg150mg
Appearance
Blue/green capsule or round tablet

Effectiveness

Success Rate
95-99% cure rate for chlamydia
Resistance increasing in some regions. No longer recommended for gonorrhea treatment in most countries.

Treatment Protocols

Chlamydia - First-Line Treatment (Doxycycline)

For: CHLAMYDIA

First-Line
Dosage
100mg
Frequency
Twice daily
Duration
7 days
97-99% cure rate

Mycoplasma genitalium - First-Line Treatment

For: MYCOPLASMA_GENITALIUM

First-Line
Dosage
Doxycycline 100mg twice daily for 7 days, then Azithromycin 1g single dose
Frequency
Doxycycline: Twice daily, Azithromycin: Single dose
Duration
8 days total
85-90% cure rate for macrolide-sensitive strains

Safety Information

Common Side Effects

NauseaUpset stomachSun sensitivityVaginal yeast infectionDiarrhea

Serious Side Effects (Seek Medical Help)

Severe allergic reaction
Severe diarrhea (C. diff)
Liver problems
Esophageal irritation

Contraindications (Do Not Use If)

Pregnancy
Children under 8
Tetracycline allergy
Severe liver disease

Drug Interactions

AntacidsIron supplementsBlood thinnersOral contraceptives (may reduce effectiveness)

Pregnancy

Category D - Not safe during pregnancy

Breastfeeding

Not recommended

Pricing Information

Mfg. Cost
$0.5
Global Avg. Price
$5
Patent Status
Generic available

Prices may vary significantly by country, pharmacy, and insurance coverage. This is an average estimate.

Availability & Regulations

Prescription Required
Not OTC
Not Controlled
FDA Approval
1967

Available In

🇵🇭Philippines🇹🇭Thailand🇻🇳Vietnam🇸🇬Singapore🇲🇾Malaysia🇺🇸United States🇬🇧United Kingdom