Definition

1. Noun:
   • An antibiotic derived from tetracycline that is effective against many infections: Doxycycline is a type of medication used to treat a wide variety of bacterial infections. It belongs to the tetracycline class of antibiotics and works by inhibiting the growth and spread of bacteria in the body.

Usage Examples

• Noun:
  • The doctor prescribed doxycycline for my sinus infection.
  • Doxycycline is commonly used to treat acne and certain sexually transmitted diseases.
  • Patients taking doxycycline should avoid prolonged sun exposure.

Advanced Usage

• "To be on doxycycline": to be taking a course of this antibiotic as medical treatment.

  • She was on doxycycline for two weeks to clear the infection.

• "A course of doxycycline": a prescribed period of treatment with this antibiotic.

  • The standard course of doxycycline for Lyme disease is 14 to 21 days.

Variants and Related Words

• Vibramycin (n): A well-known trade name for doxycycline.

  • The prescription was written for Vibramycin, which is doxycycline.

• Tetracycline (n): The broader class of antibiotics from which doxycycline is derived.

  • Doxycycline is a semi-synthetic derivative of tetracycline.

Synonyms

• Antibiotic: A general term for a substance that inhibits or destroys microorganisms, especially bacteria.
• Antimicrobial: An agent that kills microorganisms or stops their growth.

Related Phrases

• "To be resistant to doxycycline": referring to bacteria that are not killed or inhibited by this antibiotic.

  • Some strains of pneumonia are becoming resistant to doxycycline.

• "Doxycycline hyclate": a specific salt form of doxycycline commonly used in medications.

  • The pharmacist explained that doxycycline hyclate is the form in this generic capsule.

Notes on Usage

• Doxycycline is typically used as a singular, uncountable noun when referring to the substance as a medication (e.g., ). It can be countable when referring to specific doses or types (e.g., ).
• It is important to follow the prescribed dosage and complete the entire course of doxycycline, even if symptoms improve, to prevent antibiotic resistance.

Noun

1. an antibiotic derived from tetracycline that is effective against many infections
   • Vibramycin is the trade name of doxycycline