Definition

Noun: A semisynthetic, first-generation cephalosporin antibiotic, administered orally. It is commonly prescribed for treating bacterial infections that are mild to moderately severe, particularly those affecting the skin, ears, throat, lungs, and urinary tract. It works by interfering with the bacteria's cell wall synthesis, leading to the destruction of the bacteria.

Usage Examples

• Noun:
  • The doctor prescribed cephalexin for the patient's strep throat infection.
  • Cephalexin is often the first choice for uncomplicated skin infections.
  • A common side effect of taking cephalexin can be an upset stomach.

Advanced Usage

• "To be on cephalexin": To be undergoing a course of treatment with this antibiotic.
  • She was on cephalexin for ten days to clear the infection.
• "A course of cephalexin": A complete, prescribed period of treatment with this drug.
  • It is important to finish the entire course of cephalexin even if you feel better.

Variants and Related Words

• Cephalosporin (n): The broader class of antibiotics to which cephalexin belongs.
  • Cephalexin is a type of cephalosporin antibiotic.
• Keflex®, Keflin®, Keftab® (n): Major brand names under which cephalexin is sold.
  • The pharmacist dispensed the generic cephalexin instead of the brand name Keflex.

Synonyms

• First-generation cephalosporin: Describes its classification within the antibiotic family.
• Oral antibiotic: Describes its common method of administration.

Important Notes

• Not an Antiviral: Cephalexin is effective only against bacterial infections, not viral infections like the common cold or flu.
• Allergy Warning: Individuals with a known allergy to penicillin or other cephalosporins may also be allergic to cephalexin.

Noun

1. an oral cephalosporin (trade names Keflex and Keflin and Keftab) commonly prescribe for mild to moderately severe infections of the skin or ears or throat or lungs or urinary tract