Active Ingredient

Cefaclor

Cefaclor is a type of antibiotic that belongs to the cephalosporin class. It is used to treat a variety of bacterial infections.

This medication helps in managing infections by stopping the growth of bacteria.

Written By Douglas C. Goldberg, MD

Reviewed By Philip Schein, MD

Last Updated 28 Nov 2025

Available Cefaclor Brands

Ceclor CD

Strengths 375 mg

Cefaclor Uses

Cefaclor is commonly prescribed to treat different types of bacterial infections. It is effective in treating infections in various parts of the body.

Respiratory tract infections
Skin infections
Ear infections
Urinary tract infections
Throat infections

How Cefaclor Works

Cefaclor works by interfering with the formation of the bacteria’s cell wall, which is essential for their survival.

By disrupting the cell wall synthesis, it causes the bacteria to break apart and eventually die.

This action helps in clearing up the infection and preventing its spread.

Common side effects of Cefaclor

Not everyone experiences side effects with Cefaclor, and many side effects are mild and temporary.

Nausea
Diarrhea
Stomach pain
Headache
Dizziness
Rash
Fatigue

If you experience severe or persistent symptoms, it is important to contact your doctor.

Frequently Asked Questions

What is Cefaclor used for?

Cefaclor is used to treat various bacterial infections, including those affecting the respiratory tract, skin, and urinary tract.

How long does Cefaclor take to work?

The effects of Cefaclor can be noticed within a few days, but it is important to complete the prescribed course.

Is Cefaclor safe for everyone?

Cefaclor is generally safe for most people, but it may not be suitable for those with certain allergies or medical conditions.

Can Cefaclor interact with other medications?

Yes, Cefaclor can interact with other medications. It’s important to inform your doctor about any other drugs you are taking.

What should I do if I miss a dose of Cefaclor?

If you miss a dose, take it as soon as you remember. If it’s almost time for the next dose, skip the missed dose and continue with your regular schedule.