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compositionComposition:CEFIXIME-500MG
prescription
Prescription Medicine
info
CF3 O 500mg Tablet
Written By Bayyarapu Mahesh Kumar , M Pharmacy
Reviewed By Veda Maddala , M Pharmacy
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More about the Product

Composition :

CEFIXIME-500MG

Manufacturer/Marketer :

Care Benzorganics Pvt Ltd

Consume Type :

Oral

Expires on or after :

Dec-28

Return Policy :

Not Returnable

About CF3 O 500mg Tablet

CF3 O 500mg Tablet is an oral antibiotic prescribed to treat a variety of bacterial infections. It works by stopping the growth of bacteria, helping your body clear infections in areas like the lungs, throat, ears, and urinary tract. It is only effective against bacterial infections and will not work for viral illnesses like the common cold or flu.

To get the best results, you should take CF3 O 500mg Tablet at the same times every day to keep a constant level of medicine in your body. It can be taken with or without food, though taking it with a meal can help prevent a mild upset stomach. Drinking plenty of water and getting enough rest will support your immune system while your body recovers.

Some people may experience mild side effects, such as loose stools, nausea, or stomach discomfort. While these are usually temporary, you should consult your doctor immediately if you develop severe watery diarrhoea, intense stomach pain, or a skin rash.

Talk to your doctor before starting CF3 O 500mg Tablet if you have a history of kidney disease or severe stomach disorders like colitis. Do not take this if you have had a severe allergic reaction to penicillin or other cephalosporin antibiotics in the past.

Taking CF3 O 500mg Tablet with certain medicines, like blood thinners, may increase your risk of bleeding, so always share your full medication list with your pharmacist. If you are pregnant, breastfeeding, or managing health conditions as an elderly individual, consult your doctor to ensure this is the safest option for you. 

Uses of CF3 O 500mg Tablet

CF3 O 500mg Tablet is prescribed to treat a variety of bacterial infections affecting different parts of the body. It works by stopping the growth and spread of infection-causing bacteria, helping your body eliminate the infection and recover more effectively. 

  • Urinary tract infections (UTIs): CF3 O 500mg Tablet helps clear bacterial infections in the bladder and kidneys by stopping the bacteria from multiplying.
  • Ear, nose, and throat infections: This medicine targets and destroys bacteria causing middle ear infections, tonsillitis, and throat infections.
  • Chest and lung infections: It helps clear bacterial flare-ups in the airways, such as bacterial bronchitis, making it easier to breathe.
  • Certain sexually transmitted infections: CF3 O 500mg Tablet may be used in specific cases to treat uncomplicated infections of the urethra and cervix caused by susceptible bacteria. However, it is no longer considered first-line monotherapy for gonorrhoea under many current international treatment guidelines. The appropriate treatment regimen should always be determined by a healthcare professional based on current recommendations, local resistance patterns, and laboratory results where available.

Key Benefits

CF3 O 500mg Tablet offers several benefits in the treatment of bacterial infections by helping eliminate harmful bacteria, relieving symptoms, and supporting a faster return to normal health and daily activities.

  • Provides Rapid Symptom Relief: Helps reduce infection-related symptoms such as sore throat, ear pain, cough, and discomfort during urination within a few days of treatment.
  • Effectively Eliminates Bacterial Infections: Targets and stops the growth of susceptible bacteria responsible for a range of common infections. However, CF3 O 500mg Tablet may not be effective against all types of bacteria, which is why doctors may sometimes recommend laboratory testing or culture-guided treatment to ensure the most appropriate antibiotic is selected.
  • Convenient Oral Administration: Can be taken by mouth, allowing treatment to be completed at home without the need for injections or intravenous therapy.
  • Supports Faster Recovery: Helps patients regain their health and resume daily activities more quickly.
  • Treats Multiple Types of Infections: Effective against various bacterial infections involving the urinary tract, respiratory tract, ears, nose, throat, and other susceptible areas.
  • Helps Prevent Infection Progression: Reduces the risk of the infection spreading or becoming more severe when taken as prescribed.
  • Improves Overall Comfort: Relieves symptoms that can interfere with daily activities and quality of life.
  • Promotes Complete Infection Clearance: Completing the full prescribed course helps ensure the infection is fully treated and reduces the risk of recurrence.
Side effects of CF3 O 500mg Tablet
To prevent, manage, and treat Constipation caused by medication usage, follow these steps:
  • Preventing Vomiting (Before it Happens)
  • Take medication exactly as prescribed by your doctor. This can help minimize side effects, including vomiting.
  • Having a small meal before taking your medication can help reduce nausea and vomiting.
  • Talk to your doctor about taking anti-nausea medication along with your prescribed medication.
  • Managing Vomiting (If it Happens)
  • Try taking ginger in the form of tea, ale, or candy to help alleviate nausea and vomiting.
  • What to Do if Vomiting Persists
  • Consult your doctor if vomiting continues or worsens, consult the doctor for guidance on adjusting your medication or additional treatment.
Here are the precise steps to cope with diarrhoea caused by medication usage:
  • Inform Your Doctor: Notify your doctor immediately about your diarrhoea symptoms. This allows them to adjust your medication or provide guidance on managing side effects.
  • Stay Hydrated: Drink plenty of fluids to replace lost water and electrolytes. Choose water, clear broth, and electrolyte-rich drinks. Avoid carbonated or caffeinated beverages to effectively rehydrate your body.
  • Follow a Bland Diet: Eat easy-to-digest foods to help firm up your stool and settle your stomach. Try incorporating bananas, rice, applesauce, toast, plain crackers, and boiled vegetables into your diet.
  • Avoid Trigger Foods: Steer clear of foods that can worsen diarrhoea, such as spicy, fatty, or greasy foods, high-fibre foods, and dairy products (especially if you're lactose intolerant).
  • Practice Good Hygiene: Maintain good hygiene to prevent the spread of infection. To stay healthy, wash your hands frequently, clean and disinfect surfaces regularly, and avoid exchanging personal belongings with others.
  • Take Anti-Diarrheal Medications: If your doctor advises, anti-diarrheal medications such as loperamide might help manage diarrhoea symptoms. Always follow your doctor's directions.
  • Keep track of your diarrhoea symptoms. If they don't get better or worse or are accompanied by severe stomach pain, blood, or dehydration signs (like extreme thirst or dark urine), seek medical help.
Overcome Medication-Induced Nausea: A 9-Step Plan
  • Inform your doctor about the nausea and discuss possible alternatives to the medication or adjustments to the dosage.
  • Divide your daily food intake into smaller, more frequent meals to reduce nausea.
  • Opt for bland, easily digestible foods like crackers, toast, plain rice, bananas, and applesauce.
  • Avoid certain foods that can trigger nausea, such as fatty, greasy, spicy, and smelly foods.
  • Drink plenty of fluids, such as water, clear broth, or electrolyte-rich beverages like coconut water or sports drinks.
  • Use ginger (tea, ale, or candies) to help relieve nausea.
  • Get adequate rest and also avoid strenuous activities that can worsen nausea.
  • Talk to your doctor about taking anti-nausea medication if your nausea is severe.
  • Record when your nausea occurs, what triggers it, and what provides relief to help you identify patterns and manage your symptoms more effectively.
Here are the precise steps to cope with diarrhoea caused by medication usage:
  • Inform Your Doctor: Notify your doctor immediately about your diarrhoea symptoms. This allows them to adjust your medication or provide guidance on managing side effects.
  • Stay Hydrated: Drink plenty of fluids to replace lost water and electrolytes. Choose water, clear broth, and electrolyte-rich drinks. Avoid carbonated or caffeinated beverages to effectively rehydrate your body.
  • Follow a Bland Diet: Eat easy-to-digest foods to help firm up your stool and settle your stomach. Try incorporating bananas, rice, applesauce, toast, plain crackers, and boiled vegetables into your diet.
  • Avoid Trigger Foods: Steer clear of foods that can worsen diarrhoea, such as spicy, fatty, or greasy foods, high-fibre foods, and dairy products (especially if you're lactose intolerant).
  • Practice Good Hygiene: Maintain good hygiene to prevent the spread of infection. To stay healthy, wash your hands frequently, clean and disinfect surfaces regularly, and avoid exchanging personal belongings with others.
  • Take Anti-Diarrheal Medications: If your doctor advises, anti-diarrheal medications such as loperamide might help manage diarrhoea symptoms. Always follow your doctor's directions.
  • Keep track of your diarrhoea symptoms. If they don't get better or worse or are accompanied by severe stomach pain, blood, or dehydration signs (like extreme thirst or dark urine), seek medical help.
  • Drink water or other clear fluids.
  • To prevent worsening of pain, limit intake of tea, coffee, or alcohol.
  • Include bland foods like rice, toast, crackers, and rice in your diet.
  • Avoid lying down immediately after eating as it may cause indigestion or heartburn.
  • Avoid acidic and spicy food as it may cause indigestion.
Here are the step-by-step strategies to manage the side effects of "indigestion" caused by medication usage:
  • Take medications with food (if recommended): It can help prevent stomach distress and indigestion.
  • Eat smaller, more frequent meals: Divide daily food intake into smaller, more frequent meals to ease digestion.
  • Avoid trigger foods: Identify and avoid foods that trigger indigestion, such as spicy, fatty, or acidic foods.
  • Stay upright after eating: Sit or stand upright for at least 1-2 hours after eating to prevent stomach acid from flowing into the oesophagus.
  • Avoid carbonated drinks: Avoid drinking carbonated beverages, such as soda or beer, which can worsen indigestion.
  • Manage stress: To alleviate indigestion, engage in stress-reducing activities like deep breathing exercises or meditation.
  • Consult a doctor if needed: If indigestion worsens or persists, consult a healthcare professional to adjust the medication regimen or explore alternative treatments.

Directions for Use

Here’s how to use CF3 O 500mg Tablet:

  • Swallow the tablet or capsule whole with a glass of water.
  • Do not crush or chew it unless your doctor tells you otherwise.
  • If you are taking the liquid suspension form of CF3 O 500mg Tablet, shake the bottle well before each dose and use a proper medicine-measuring spoon or syringe to get the correct amount.
  • Always follow your doctor's exact instructions regarding how long to take this medicine, even if you start feeling better before the bottle is empty.

How CF3 O 500mg Tablet Works

CF3 O 500mg Tablet contains cefixime, a cephalosporin antibiotic used to treat a variety of bacterial infections. Cefixime works by interfering with the formation of the bacterial cell wall, a protective outer layer that bacteria need to survive and multiply. By preventing the bacteria from building and maintaining this protective wall, cefixime weakens the bacterial cells, causing them to break apart and die. Because cefixime targets bacteria directly, it helps your body's natural immune system clear the infection more effectively. However, it is only effective against susceptible bacteria and will not work against viral infections such as the common cold or flu. Together, these actions help eliminate the infection, relieve symptoms, and support recovery from bacterial illnesses.
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Alcohol

Caution

It is unknown whether CF3 O 500mg Tablet interacts with alcohol. However, as a precautionary measure, it is advisable not to take or limit alcohol.

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Pregnancy

Caution

CF3 O 500mg Tablet should not be used during pregnancy unless clearly necessary. Your doctor will weigh the benefits and potential risks before prescribing it. Please consult your doctor.

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Breast Feeding

Unsafe

CF3 O 500mg Tablet should be administered to nursing mothers only if the benefits of therapy are judged to outweigh the potential risks to the infant. Hence, it is best to consult a doctor before taking CF3 O 500mg Tablet.

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Driving

Caution

Caution should be exercised; CF3 O 500mg Tablet usually causes drowsiness and confusion, affecting driving ability.

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Liver

Caution

CF3 O 500mg Tablet to be taken with caution, especially if you have a history of liver diseases/conditions. The dose may have to be adjusted by your doctor.

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Kidney

Caution

CF3 O 500mg Tablet to be taken with caution, especially if you have a history of Kidney diseases/conditions. The dose may have to be adjusted by your doctor.

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Children

Caution

CF3 O 500mg Tablet to be taken with caution, especially if you are children below 12. Your doctor may adjust your dose depending on your age.

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Heart

Consult your doctor

Please consult your doctor before using CF3 O 500mg Tablet if you have pre-existing heart problems. Your doctor will prescribe CF3 O 500mg Tablet if the benefits outweigh the risks.

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Geriatrics

Consult your doctor

Please consult a doctor before administering CF3 O 500mg Tablet to geriatric patients. Your doctor will prescribe CF3 O 500mg Tablet if the benefits outweigh the risks.

What if I have taken an overdose of CF3 O 500mg Tablet

Do not take more than the prescribed dose of CF3 O 500mg Tablet as it may cause an overdose. The symptoms of overdose include seizures (fits) and severe vomiting. If you suspect you have taken an overdose or notice signs of overdose, please consult a doctor immediately.

Diet & Lifestyle Advise

  • Take probiotics: Consider taking a probiotic supplement or eating yoghurt with active cultures a few hours after your dose to help maintain a healthy balance of gut bacteria and reduce the risk of diarrhoea.
  • Stay hydrated: Drink plenty of water throughout the day. Staying well-hydrated helps your kidneys flush out the medicine and keeps your body strong while fighting an infection.
  • Complete the full course: Never stop taking this medicine early, even if you feel completely recovered. Stopping too soon can cause the remaining bacteria to multiply again, leading to a stronger infection that is harder to treat.
  • Avoid alcohol: While alcohol does not directly stop this medicine from working, it can dehydrate you, worsen side effects like dizziness or nausea, and slow down your body's natural healing process.

Have a query?

How Soon It Starts Working

  • The time required for CF3 O 500mg Tablet to start to work: The time required for CF3 O 500mg Tablet to show its action is unknown.
  • The time for which the effects of CF3 O 500mg Tablet last: The effect of CF3 O 500mg Tablet lasts for 12 to 24 hours.

What if you forget to take CF3 O 500mg Tablet

If you miss a dose, take it as soon as you remember. However, if it is almost time for the scheduled dose, skip the missed dose and continue with your regular schedule.

Storage

•Store CF3 O 500mg Tablet tablets and capsules at room temperature, ideally between 20°C and 25°C (68°F to 77°F). • Keep the medication in a dry place away from direct heat, moisture, and sunlight.

Drug Warnings

  • Complete the Full Course of Treatment: Complete the entire course of CF3 O 500mg Tablet exactly as prescribed to prevent the development of drug-resistant bacteria.
  • Shake the Suspension Before Use: Always shake the liquid suspension thoroughly before each use to ensure the active medicine is evenly mixed.
  • Seek Medical Advice for Severe Diarrhoea: Do not take anti-diarrhoea medications if you develop severe watery stools while taking CF3 O 500mg Tablet, as this can make the infection worse; contact your doctor immediately instead.
  • Inform Your Doctor About Kidney Problems: If you have pre-existing kidney conditions, make sure your doctor is aware, as your dose may need to be adjusted to prevent the medicine from building up in your body.
     

Drug-Drug Interactions

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Drug-Drug Interactions

Certain medicines can affect how CF3 O 500mg Tablet works or increase the risk of side effects. Inform your doctor about all prescription medicines, over-the-counter products, vitamins, and herbal supplements you are taking before starting treatment: 

  • Blood thinners (like warfarin): CF3 O 500mg Tablet may increase the blood-thinning effects, raising your risk of bruising or bleeding.
  • Certain vaccines (like live typhoid vaccine): This antibiotic may stop live bacterial vaccines from working properly.

Drug-Food Interactions

Food generally does not significantly affect the absorption or effectiveness of CF3 O 500mg Tablet. However, it is still important to follow any dietary instructions provided by your healthcare provider while taking this medicine: 

  • There are no major established drug-food interactions for CF3 O 500mg Tablet. It can be taken safely with or without food.

Drug-Disease Interactions

Certain medical conditions may affect the safety and effectiveness of CF3 O 500mg Tablet. Tell your doctor about your complete medical history before using this medicine, especially if you have any of the following conditions: 

  • Kidney disease: People with kidney impairment may need a lower dose to avoid excessive buildup of the medicine in the body.
  • Colitis or bowel disorders: CF3 O 500mg Tablet can alter gut bacteria, potentially worsening severe bowel inflammation.
CefiximeCholera, live attenuated
Severe

Drug-Drug Interactions

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CefiximeCholera, live attenuated
Severe
How does the drug interact with CF3 O 500mg Tablet:
Co-administration of CF3 O 500mg Tablet with Cholera vaccine may reduce the effectiveness of the vaccine.

How to manage the interaction:
Talk to your doctor before receiving the cholera vaccine if you are currently being treated with CF3 O 500mg Tablet or have been treated within the last 14 days. To ensure adequate vaccine response, you should not receive cholera vaccine until at least 14 days after you complete your antibiotic therapy. Do not discontinue the medication without consulting a doctor.

Drug-Food Interactions

verifiedApollotooltip
No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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All Substitutes & Brand Comparisons

Habit Forming

No

Therapeutic Class

[ANTI- BACTERIALS]

FAQs

CF3 O 500mg Tablet is used to treat bacterial infections of the ear, nose, sinuses, throat, chest, lungs and urinary system. Additionally, it is also used to treat uncomplicated gonorrhea (cervical/urethral).

CF3 O 500mg Tablet comprises Cefixime. The bactericidal action of Cefixime is due to the inhibition of cell wall synthesis. In turn, CF3 O 500mg Tablet weakens and destroys the bacterial cell wall, ultimately leading to the cell's death. As a result, CF3 O 500mg Tablet helps to treat bacterial infections.

CF3 O 500mg Tablet can cause diarrhoea, which may be a sign of a new infection. If you have watery or bloody diarrhoea, call your doctor. Do not use anti-diarrhoea medicine unless your doctor tells you to.

If you forget to take CF3 O 500mg Tablet, take your dose as soon as possible. If it is almost time for the next dose, just skip that dose and take the next one when it is due. If in doubt, please contact your doctor. Do not take a double dose to make up for a forgotten dose.

Yes, treating urinary tract infection (UTI) by CF3 O 500mg Tablet may be a good alternative. However, it should be taken under the supervision of a healthcare professional.

CF3 O 500mg Tablet is active against a very wide spectrum of bacteria such as Staphylococcus aureus, Streptococcus pneumoniae, Streptococcus pyogenes (the cause of strep throat), Hemophilus influenzae, Moraxella catarrhalis, E. coli, Klebsiella, Proteus mirabilis, Salmonella, Shigella, and Neisseria gonorrhoeae.

No, it does not treat colds, flu, or other viral infections. It is intended for use only in specific bacterial infections.

CF3 O 500mg Tablet was effective in treating bacterial sinus infections in adults and was well tolerated.

No, it is a prescribed drug given by a physician to prevent specific medical conditions. Taking it on your own can cause unwanted side effects.

CF3 O 500mg Tablet may alter certain laboratory test results, like glucose (sugar) in the urine. Inform your doctor before undergoing the above test.

Talk to the doctor before taking CF3 O 500mg Tablet if you have seizures, liver or renal dysfunction, heart disorder, and inflammation of the colon's inner lining (colitis). Do not take CF3 O 500mg Tablet without first consulting the doctor if you are pregnant, planning for pregnancy or breastfeeding.

Yes, CF3 O 500mg Tablet is safe and effective if taken in the dose and duration prescribed by the doctor.

CF3 O 500mg Tablet should be taken for as long as it has been prescribed by the doctor. The doctor will determine the duration of the treatment based on your condition.

Consult a doctor if you do not experience improvement after using CF3 O 500mg Tablet for the prescribed duration.

CF3 O 500mg Tablet to be taken with caution, especially if you have a history of kidney diseases/conditions. The dose may have to be adjusted by your doctor.

CF3 O 500mg Tablet can be taken with or without food.

Sometimes, CF3 O 500mg Tablet may cause side effects such as diarrhoea, nausea, loose stools, abdominal pain, dyspepsia, indigestion, and vomiting. Most of these side effects do not require medical attention and resolve gradually over time. However, you are advised to talk to your doctor if you experience these side effects persistently.

Do not discontinue CF3 O 500mg Tablet without consulting your doctor. To treat your condition effectively, keep taking CF3 O 500mg Tablet for the prescribed duration.

It is best to avoid alcohol while taking CF3 O 500mg Tablet. While alcohol does not stop the medicine from working, it can worsen side effects like nausea, stomach discomfort, and dizziness, and may slow your recovery. Talk to your doctor if you have questions.

Most people begin to feel better within 24 to 48 hours of starting CF3 O 500mg Tablet. However, you must finish the entire course prescribed by your doctor to ensure the infection is completely cleared. Talk to your doctor if your symptoms do not improve after a few days.

If you have a history of any allergic reaction to penicillin or other antibiotics, tell your doctor or pharmacist before taking CF3 O 500mg Tablet. Some people with penicillin allergies may also react to cephalosporin antibiotics such as CF3 O 500mg Tablet. Your healthcare provider will assess your allergy history and determine whether CF3 O 500mg Tablet is a suitable and safe option for you. Avoid taking the medicine unless it has been recommended by a healthcare professional who is aware of your allergy history.

Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed one and continue with your regular schedule. Do not take a double dose to make up for a missed one. Talk to your doctor or pharmacist if you miss multiple doses.

CF3 O 500mg Tablet is generally considered safe during pregnancy when clearly needed, and only small amounts pass into breast milk. However, you should always talk to your doctor to weigh the benefits and risks before taking this medicine if you are pregnant or breastfeeding.

Disclaimer

While we strive to provide complete, accurate, and expert-reviewed content on our 'Platform', we make no warranties or representations and disclaim all responsibility and liability for the completeness, accuracy, or reliability of the aforementioned content. The content on our platform is for informative purposes only, and may not cover all clinical/non-clinical aspects. Reliance on any information and subsequent action or inaction is solely at the user's risk, and we do not assume any responsibility for the same. The content on the Platform should not be considered or used as a substitute for professional and qualified medical advice. Please consult your doctor for any query pertaining to medicines, tests and/or diseases, as we support, and do not replace the doctor-patient relationship.

Reference

  1. U.S. Food and Drug Administration (FDA). 202091S009Lbl [FDA Prescribing Information]. Silver Spring, MD: FDA; 2024. [Accessed on 02 Jun. 2026] Check here
  2. Electronic Medicines Compendium (EMC). Pil.5534 Patient Information Leaflet (PIL). Cheshire, UK: Datapharm; 2025. [Accessed on 02 Jun. 2026] Check here
  3. Drugs.com Clinical Review Team. Cefixime Drug Interactions Reference. Auckland, NZ: Drugs.com; 2026. [Accessed on 02 Jun. 2026] Check here
  4. Cefixime Cefixime. 1986. [Accessed on 29 Mar. 2019] Check here
  5. Cefixime [Drug Label]. 2003. [Accessed on 25 Jul. 2024] Check here
  6. Electronic Medicines Compendium. [Name of Product] – Summary of Product Characteristics [Internet]. London: emc; [Accessed on 2025 Sep 16] Check here
  7. Cefixime capsules: Label information [Internet]. DailyMed (U.S. National Library of Medicine, National Institutes of Health). [Accessed on 2025 Sep 16]Check here

Country of origin

India
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