Trusted, medically reviewed health information • Not a substitute for medical advice
Medically Verified MonographRxClass: Tetracycline Antibiotic

Doxycycline

Generic Name: Doxycycline

Common Brand Names: Vibramycin, Doryx
Dosage Form:Capsule
Route:Oral
Pregnancy Category:D
Last Reviewed:9/21/2026

Seek Urgent Medical Attention If:

You experience severe allergic reaction symptoms (swelling of the face, lips, tongue, or throat causing difficulty breathing), severe rash with skin peeling, sudden intense chest pain, or symptoms of overdose. Call emergency medical services immediately.

Uses & Medical Indications

Treat bacterial infections, acne

Medical Conditions Treated:

Acne, respiratory infections, Lyme disease

Dosage & Administration Guidelines

Adult Dosage

100 mg twice daily

Pediatric Dosage

2.2 mg/kg twice daily (if >8 yrs)

Elderly / Geriatric Considerations

Same as adult

Maximum Dose Limit

300 mg/day

Renal Impairment:

No adjustment needed

Hepatic Impairment:

Caution in severe impairment

Side Effects & Safety Warnings

Common Side Effects

Nausea, photosensitivity

Serious Adverse Reactions

Esophagitis, C. diff diarrhea

Contraindications:

Hypersensitivity to tetracyclines

Important Warnings & Precautions:

Avoid during tooth development (under 8 yrs)

Interactions (Drugs, Food & Alcohol)

Drug-Drug Interactions:

Antacids, Iron, Penicillin

Food & Dietary Interactions:

Take with food to decrease GI upset

Alcohol Interaction Warning:

Chronic use decreases half-life

Pregnancy & Breastfeeding Safety

Pregnancy Safety

Avoid, affects fetal bone/teeth

Breastfeeding / Lactation

Not recommended

Patient Counseling & Practical Advice

How to Take:

Wear sunscreen, take with plenty of water

What to Do if You Miss a Dose:

Take as soon as remembered

Recommended Monitoring & Lab Tests:

Resolution of infection

Trustworthy Sources & Medical Review

Content for Doxycycline was synthesized and fact-checked against standardized regulatory monographs, official pharmacopoeias, and national health authorities:

  • Central Drugs Standard Control Organization (CDSCO) — National List of Essential Medicines
  • World Health Organization (WHO) — Model List of Essential Medicines 23rd List
  • Indian Pharmacopoeia Commission (IPC) — Indian Pharmacopoeia Drug Monographs
  • National Health Service (NHS) — Medicines A to Z Clinical Guidelines
Reviewer Credentials: PharmD, Clinical PharmacologistLast Reviewed Date: 9/21/2026

The information provided on this website is for educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition.