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Medically Verified MonographPrescription OnlyClass: Tetracycline Antibiotics

Tetracycline

Generic Name: Tetracycline

Common Brand Names: Sumycin, Achromycin V
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

Treatment of various bacterial infections, acne

Medical Conditions Treated:

Acne vulgaris, Respiratory tract infections, Syphilis, Chlamydia

Dosage & Administration Guidelines

Adult Dosage

500 mg twice daily or 250 mg four times daily

Pediatric Dosage

Avoid in children under 8 years

Elderly / Geriatric Considerations

Use lower end of dosage range

Maximum Dose Limit

2000 mg/day

Renal Impairment:

Reduce dose and/or increase interval

Hepatic Impairment:

Use with caution

Side Effects & Safety Warnings

Common Side Effects

Nausea, vomiting, diarrhea, photosensitivity

Serious Adverse Reactions

Esophageal ulceration, hepatotoxicity, intracranial hypertension

Contraindications:

Hypersensitivity to tetracyclines

Important Warnings & Precautions:

Tooth discoloration in children <8 yrs, photosensitivity

Interactions (Drugs, Food & Alcohol)

Drug-Drug Interactions:

Antacids, iron supplements, oral contraceptives, penicillin

Food & Dietary Interactions:

Dairy products decrease absorption

Alcohol Interaction Warning:

May decrease efficacy

Pregnancy & Breastfeeding Safety

Pregnancy Safety

Avoid; can cause fetal harm (tooth discoloration, bone growth suppression)

Breastfeeding / Lactation

Excreted in milk, use not recommended

Patient Counseling & Practical Advice

How to Take:

Take on an empty stomach with a full glass of water. Avoid dairy, antacids, and prolonged sun exposure.

What to Do if You Miss a Dose:

Take as soon as remembered; skip if almost time for next dose.

Recommended Monitoring & Lab Tests:

Renal, hepatic, and hematopoietic function in long-term therapy

Trustworthy Sources & Medical Review

Content for Tetracycline 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.