Cefaclor Dosage: Simple Guide for Adults and Kids

If you’ve been prescribed cefaclor, you probably want to know exactly how much to take and how often. This antibiotic is used for infections like ear, skin, and throat issues. Below you’ll find clear dosing info for grown‑ups, kids, and a few practical tips to keep the treatment safe and effective.

Typical Adult Dosage

For most adults, the usual dose is 250 mg to 500 mg taken every 6 to 8 hours. The exact amount depends on the infection type and how severe it is. Doctors often start with 500 mg three times a day for tougher infections, then may drop to 250 mg if you respond well.

Take the pill with a full glass of water. If you have a stomach that’s sensitive, you can eat a light snack – that helps avoid nausea. Do not skip doses; missing a dose can let the bacteria bounce back and make the infection harder to treat.

Most treatment courses last 7 to 10 days. Even if you feel better after a few days, finish the whole prescription. Stopping early can cause the infection to return and increase resistance.

Pediatric Dosing and Adjustments

Kids get a dose based on weight, not a flat amount. The rule of thumb is 20 mg to 40 mg per kilogram of body weight, given every 6 to 8 hours. For example, a child who weighs 15 kg (about 33 lb) would take 300 mg to 600 mg each dose.

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For infants under 3 months, doctors usually prefer other antibiotics, but if cefaclor is needed, the dose is usually 20 mg/kg every 12 hours. Always follow the pediatrician’s exact instructions.

Mixing the powder form with a small amount of water or juice is common for younger kids who can’t swallow tablets. Make sure the mixture is taken right away and finish the full amount.

Watch for side effects like stomach upset, diarrhea, or a rash. If any of these get worse or you see signs of an allergic reaction (hives, swelling, trouble breathing), call a doctor right away.

In summary, the key to getting the most out of cefaclor is taking the right amount at the right interval, finishing the entire course, and staying alert to any side effects. If you’re unsure about the dose or have trouble remembering the schedule, set a reminder on your phone or use a pill organizer. When in doubt, a quick call to your pharmacist can clarify any confusion without waiting for a doctor’s appointment.

Remember, antibiotics work best when you follow the plan exactly. Stick to the schedule, finish the pack, and you’ll be on the road to feeling better without the infection coming back.

Cefaclor: Uses, Dosage, Side Effects, and Alternatives (2025 Australia Guide)