Tetracycline capsules are broad-spectrum antibiotics used to treat various bacterial infections, including respiratory, urinary tract, and sexually transmitted infections. They work by inhibiting bacterial protein synthesis, thereby preventing bacterial growth and spread.
Key Benefits & Uses
-
Effective Treatment: Treats a wide range of bacterial infections such as acne, chlamydia, gonorrhea, and respiratory tract infections.
-
Alternative for Penicillin-Allergic Patients: Suitable for individuals allergic to penicillin.
-
Versatile Application: Used in treating infections caused by rickettsia, psittacosis, and certain zoonotic diseases. Drugs.com
How to Use
-
Dosage: Typically, 250–500 mg taken orally every 6–12 hours, depending on the infection severity. Medscape Reference
-
Administration: Take with a full glass of water; avoid lying down for at least 30 minutes post-dose to reduce the risk of esophageal irritation.
-
Food Interaction: Avoid dairy products and antacids within 2 hours of taking tetracycline to ensure optimal absorption.
Important Safety Information
-
Pregnancy Category D: May cause fetal harm; not recommended during pregnancy.
-
Liver & Kidney Caution: Use with caution in patients with liver or kidney disease.
-
Sun Sensitivity: Increases risk of sunburn; use sunscreen and protective clothing. Cleveland Clinic
-
Superinfection Risk: Prolonged use may lead to overgrowth of non-susceptible organisms, including fungi. FDA Access Data
Common Side Effects
-
Gastrointestinal: Nausea, vomiting, diarrhea, loss of appetite.
-
Oral: Black or hairy tongue, sore throat.
-
Skin: Rash, photosensitivity.
-
Serious Reactions: Esophageal irritation or ulceration, especially if not taken with sufficient water. Drugs.com
Why Choose Tetracycline Capsules
Tetracycline offers a reliable treatment option for various bacterial infections, especially when other antibiotics are ineffective or contraindicated. Its broad-spectrum activity and established efficacy make it a valuable tool in antimicrobial therapy.

