A Patient Guide to Using the Antibiotic ZINNAT (Cefuroxime)

ZINNAT is an antibiotic used to treat various bacterial infections in adults and children. It is available as tablets in 125mg, 250mg, and 500mg strengths as well as an oral suspension. This guide will provide detail on the proper uses, administration, safety considerations, and side effects of ZINNAT in its different formulations.

What Infections is ZINNAT Used to Treat?

  • Ear, sinus, throat, and respiratory infections
  • Skin and soft tissue infections
  • Urinary tract and bladder infections
  • Gonorrhea and other sexually transmitted infections
  • Early Lyme disease

ZINNAT works by interfering with bacteria cell wall development to kill or inhibit growth of bacteria causing infections. The tablets or suspension are taken by mouth (orally).

Dosage Guidelines by Formulation

ZINNAT Tablets Dosages


  • Usual dose: 500mg to 1g daily depending on severity of infection
  • Urinary tract infections: 250mg twice daily


  • Usual dose: 250 – 500mg daily based on weight, type of infection, severity
  • Maximum dose: 500mg per day

ZINNAT Suspension Dosages

The 125mg/5ml suspension is primarily intended for use in children under 12 years old.

Dosing considerations for pediatric patients:

  • Tailored based on child’s age, weight, infection type/severity
  • Not recommended for under 3 months old due to lack of data
  • Up to 1000mg daily maximum

Follow instructions from the packaging and your pharmacist on properly mixing the powder formulation before the first use. The suspension requires refrigeration once prepared.

Key Administration and Safety Tips

  • Take ZINNAT doses after food for improved absorption. Do not take antacids around the same time.
  • Do not chew tablets – swallow whole. Shake suspensions thoroughly before each dose.
  • Complete the prescribed course properly even if feeling better to prevent resistance or recurrences.
  • Use caution driving or operating machinery as dizziness is possible. Avoid alcohol.
  • Inform your doctor of any medical issues (like kidney disorders) or medications that may interact.
  • Monitor for key symptoms of hypersensitivity, severe diarrhea, or skin reactions. Seek prompt medical care if they occur.

What are Possible Side Effects of ZINNAT?

The majority of side effects caused by ZINNAT are mild, transient, and clear up on their own. However, be mindful of the following common and more serious side effects:

Common Side Effects

  • Digestive upset – diarrhea, nausea, abdominal discomfort
  • Headaches or dizziness
  • Fungal infections like oral thrush or vaginal yeast infection

Uncommon Effects

  • Skin rashes and itching
  • Vomiting

Rare to Very Rare Risks

  • Severe allergic reaction – trouble breathing, hives
  • Seizures if too high a dose is taken
  • Liver problems – yellowed skin/eyes, dark urine
  • Destruction of red blood cells
  • Severe skin reactions – peeling, blistering rash
  • C. difficile bacteria diarrhea with abdominal pain, fever

Contact your doctor promptly for assessment if any of the above side effects do not resolve on their own within a few days or you have concerns about their severity. Some may require adjustments to or stopping your ZINNAT course.

Summary of Using ZINNAT for Bacterial Infections

When taken properly as prescribed, ZINNAT can effectively resolve many types of susceptible bacterial infections. Ensure you follow all package instructions closely for the tablets or prepared suspension and monitor for side effects. Talk to your pharmacist or doctor with any other questions about using this antibiotic safely.