Cefprozil

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Uses

What is Cefprozil used for?

Cefprozil is commonly used to treat a wide variety of bacterial infections. This medication is known as a cephalosporin antibiotic. It works by stopping the growth of bacteria.

This antibiotic treats only bacterial infections. It will not work for viral infections (e.g., common cold, flu). Unnecessary use or overuse of any antibiotic can lead to its decreased effectiveness.

How should I take Cefprozil?

Shake the bottle well before each dose. Measure the dose out carefully with a medication spoon/cup. Take this medication by mouth usually once or twice daily, or as directed by your doctor. You may take this medicine with food if stomach upset occurs. Dosage is based on your medical condition and response to therapy. In children, the dosage is also based on weight.

For the best effect, take this antibiotic at evenly spaced times. To help you remember, take this medication at the same time(s) every day.

Continue to take this medication until the full-prescribed amount is finished, even if symptoms disappear after a few days. Stopping the medication too early may allow bacteria to continue to grow, which may result in a relapse of the infection.

Inform your doctor if your condition persists or worsens.

How do I store Cefprozil?

Cefprozil is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store Cefprozil in the bathroom or the freezer. There may be different brands of Cefprozil that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush Cefprozil down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Precautions & warnings

What should I know before using Cefprozil?

Before taking cefprozil, tell your doctor or pharmacist if you are allergic to it; or to penicillins or other cephalosporin antibiotics (e.g., cephalexin); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, intestinal disease (colitis).

This medicine may contain aspartame. If you have phenylketonuria (PKU) or any other condition where you must restrict your intake of aspartame (or phenylalanine), consult your doctor or pharmacist regarding the safe use of this medicine.

This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.

Cefprozil may cause live bacterial vaccines (such as typhoid vaccine) to not work as well. Do not have any immunizations/vaccinations while using this medication unless your doctor tells you to.

Caution is advised when using this drug in the elderly because they may be more sensitive to its effects.

Caution is advised when using this drug in children because they may be more sensitive to its effects, especially rash.

This medication should be used only when clearly needed during pregnancy. Discuss the risk and benefits with your doctor.

This medication passes into breast milk. Consult your doctor before breast-feeding.

Is it safe during pregnancy or breast-feeding?

There are no adequate studies in women for determining risk when using this Cefprozil during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking this Cefprozil. This Cefprozil is pregnancy risk category B according to the US Food and Drug Administration (FDA).

FDA pregnancy risk category reference below:

  • A=No risk,
  • B=No risk in some studies,
  • C=There may be some risk,
  • D=Positive evidence of risk,
  • X=Contraindicated,
  • N=Unknown

Side effects

What side effects can occur from Cefprozil?

Nausea, vomiting, diarrhea, stomach pain, or dizziness may occur. Diaper rash may occur in young children. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor right away if any of these unlikely but serious side effects occur: unusual tiredness/weakness.

Tell your doctor right away if any of these rare but very serious side effects occur: yellowing of the eyes/skin, severe stomach/abdominal pain, persistent nausea/vomiting, dark urine, signs of kidney problems (such as change in the amount of urine), signs of new infection (e.g., fever, persistent sore throat), easy bruising/bleeding, mental/mood changes (such as confusion).

This medication may rarely cause a severe intestinal condition (Clostridium difficile-associated diarrhea) due to a resistant bacteria. This condition may occur while receiving therapy or even weeks to months after treatment has stopped. Do not use anti-diarrhea products or narcotic pain medications if you have the following symptoms because these products may make them worse. Tell your doctor right away if you develop: persistent diarrhea, abdominal or stomach pain/cramping, blood/mucus in your stool.

Use of this medication for prolonged or repeated periods may result in oral thrush or a new vaginal yeast infection (oral or vaginal fungal infection). Contact your doctor if you notice white patches in your mouth, a change in vaginal discharge or other new symptoms.

A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side-effect, please consult your doctor or pharmacist.

Interactions

What drugs may interact with Cefprozil?

Although most antibiotics are unlikely to affect hormonal birth control such as pills, patch, or ring, a few antibiotics (such as rifampin, rifabutin) can decrease their effectiveness. This could result in pregnancy. If you use hormonal birth control, ask your doctor or pharmacist for more details.

This medication may affect the results of certain lab tests. It may cause false positive results with certain diabetic urine testing products (cupric sulfate-type) and false negative results with certain blood glucose tests. Make sure laboratory personnel and your doctors know you use this drug.

Cefprozil may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.

Does food or alcohol interact with Cefprozil?

Cefprozil may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with Cefprozil?

Cefprozil may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have.

Dosage

The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using this Cefprozil.

What is the dose of Cefprozil for an adult?

Usual Adult Dose for Bronchitis

500 mg orally every 12 hours for 10 days

Usual Adult Dose for Cystitis

500 mg orally every 24 hours for 3 to 7 days

Usual Adult Dose for Otitis Media

500 mg orally every 24 hours for 5 to 10 days

Usual Adult Dose for Pneumonia

Community-acquired pneumonia, nonhospitalized patients: 500 mg orally every 12 hours for 7 to 21 days, depending on the nature and severity of the pneumonia

Usual Adult Dose for Pyelonephritis

Uncomplicated: 500 mg orally every 12 to 24 hours for 14 days

Usual Adult Dose for Sinusitis

250 to 500 mg orally every 12 hours for 10 days

Usual Adult Dose for Skin or Soft Tissue Infection

250 to 500 mg orally every 12 hours for 10 days or 500 mg orally every 24 hours for 10 days

Usual Adult Dose for Tonsillitis/Pharyngitis

500 mg orally every 24 hours for 10 days

Usual Adult Dose for Upper Respiratory Tract Infection

500 mg orally every 12 to 24 hours for 10 to 14 days

Renal Dose Adjustments

CrCl 29 mL/min or less: The dose should be 50% of the standard dose at the same dosing interval and duration.

Liver Dose Adjustments

No adjustment recommended

Precautions

Clostridium difficile associated diarrhea (CDAD) has been reported with almost all antibiotics and may potentially be life-threatening. Therefore, it is important to consider this diagnosis in patients who present with diarrhea following cephalosporin therapy. Mild cases generally improve with discontinuation of the drug, while severe cases may require supportive therapy and treatment with an antimicrobial agent effective against C difficile. Hypertoxin producing strains of C difficile cause increased morbidity and mortality; these infections can be resistant to antimicrobial treatment and may necessitate colectomy.

Cephalosporins may be associated with a fall in prothrombin activity. Risk factors include renal or hepatic impairment, poor nutritional state, a protracted course of antimicrobial therapy, and chronic anticoagulation therapy. Prothrombin times should be monitored and vitamin K therapy initiated if indicated.

Serious and occasionally fatal hypersensitivity reactions have been reported with antibiotics. The drug should be discontinued immediately at the first appearance of a skin rash or other signs of hypersensitivity. Severe, acute hypersensitivity reactions may require treatment with epinephrine and other resuscitative measures including oxygen, intravenous fluids, antihistamines, corticosteroids, cardiovascular support and airway management as clinically indicated.

Some cephalosporins have been associated with seizures in renally impaired patients with elevated serum concentrations. The drug should be discontinued if seizures occur. Nephrotoxicity has occurred with concomitant cephalosporins and aminoglycosides or potent diuretics. Renal function should be monitored, especially in elderly patients.

Phenylketonuric patients should be aware that cefprozil suspension contains phenylalanine 28 mg per teaspoon.

Dialysis

Cefprozil is in part removed by hemodialysis. The dose should be administered after the completion of hemodialysis.

What is the dose of Cefprozil for a child?

Usual Pediatric Dose for Otitis Media

6 months to 12 years: 15 mg/kg orally every 12 hours for 10 days; do not exceed 1 g/day
13 years or older: Adult dose

Usual Pediatric Dose for Sinusitis

2 to 12 years: 7.5 to 15 mg/kg orally every 12 hours for 10 days; do not exceed 1 g/day
13 years or older: Adult dose

Usual Pediatric Dose for Skin or Soft Tissue Infection

2 to 12 years: 20 mg/kg orally every 24 hours for 10 days; do not exceed 1 g/day
13 years or older: Adult dose

Usual Pediatric Dose for Tonsillitis/Pharyngitis

2 to 12 years: 7.5 mg/kg orally every 12 hours for 10 days; do not exceed 1 g/day
13 years or older: Adult dose

How is Cefprozil available?

Cefprozil is available in the following dosage forms and strengths:

  • Tablet
  • Oral Suspension

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of Cefprozil, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.

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Review Date: January 16, 2018 | Last Modified: December 19, 2019

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