Generic name: Cefaclor.

Ceclor is a cephalosporin antibiotic. It interferes with the production of certain biochemicals necessary for bacteria to sustain life. 

Quick Facts About Ceclor


Used to treat ear, nose, throat, respiratory tract, urinary tract, and skin infections caused by bacteria, such as sore or strep throat, pneumonia, and tonsillitis.

Ceclor Dosage

Take exactly as prescribed; finish taking all medication. Works faster when taken on an empty stomach, but doctor may suggest taking with food to avoid stomach upset. Shake suspension well before taking; discard unused portion after 14 days.

  • Usual adult dose: 250 milligrams every 8 hours.
  • Usual child dose: 20 milligrams per 2.2 pounds of body weight per day divided into smaller doses, and taken every 8 hours. For more severe infections — 40 milligrams per 2.2 pounds of body weight per day divided into smaller doses, not to exceed 1 gram per day.
  • Missed dose: take as soon as possible, unless almost time for next dose. In that case, do not take missed dose; go back to regular schedule. Do not double doses.

Ceclor Side Effects

Overdose symptoms:

diarrhea, nausea, stomach upset, vomiting. If you suspect an overdose, immediately seek medical attention.

More common side effects: diarrhea, hives, itching.

Less common Ceclor side effects: blood disorders, liver disorders, nausea, skin rashes accompanied by joint pain, vaginal inflammation, vomiting.


Inform your doctor before combining Ceclor with:

certain antibiotics such as Amikin, certain diuretics such as Edecrin and Lasix, oral contraceptives, Probenecid (Benemid).

No known food/other substance interactions.

Special Cautions

If pregnant or planning to become pregnant, inform your doctor immediately. Appears in breast milk; could affect a nursing baby.

No special precautions apply to seniors.

Follow doctor’s instructions carefully for children.

  • Do not take if you have a history of gastrointestinal problems such as colitis.
  • If allergic to cephalosporins or penicillins, tell your doctor before taking Ceclor; could result in an extremely severe reaction.
  • May cause false positive reading with urine sugar tests for diabetics.
  • Before treating diarrhea, check with your doctor about which specific medications to take.


HealthSurvey.org provides accurate and independent information prescription pills, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. If you have questions about  dosage, or Ceclor side effects, please contact your healthcare provider.