Cefdinir (Omnicef): A Complete Guide
Cefdinir, also known as Omnicef, is an antibiotic used for treating various bacterial infections such as pneumonia, strep throat, otitis media, and cellulitis. It is often prescribed for individuals with severe penicillin allergies. Cefdinir is taken orally.
Uses of Cefdinir
Cefdinir is a cephalosporin antibiotic that prevents bacterial growth, effectively treating a wide range of bacterial infections. It is important to note that this antibiotic does not work for viral infections, such as the common cold or flu.
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Get A Second OpinionHow to Use Cefdinir
- Dosage: Take cefdinir orally, with or without food, as directed by your doctor, usually once or twice daily (every 12 hours). Shake the bottle well before each dose.
- Duration: Continue taking the medication for the full prescribed duration, even if symptoms disappear after a few days. Stopping the medication early can cause the infection to return.
- Interaction: Some medications, such as magnesium or aluminum-containing antacids, iron supplements, or vitamin/mineral products, can interfere with cefdinir's absorption. Maintain a 2-hour gap between these and cefdinir. Iron-fortified infant formulas do not interfere and can be given concurrently.
Side Effects of Cefdinir
Common side effects include:
- Black, tarry stools
- Diarrhea
- Chest pain
- Chills
- Cough
- Fever
- Painful or difficult urination
- Shortness of breath
- Sore throat
- Sores or ulcers
- Swollen glands
- Bleeding or bruising
- Tiredness
- Weakness
- Nausea
- Vomiting
- Headache
- Rash
- High fever
- Hives
- Increased thirst
- Inflammation of the joints
- Irregular breathing
- Fast heartbeat
If any side effects persist or worsen, contact your doctor immediately.
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Book an AppointmentPrecautions Taken for Cefdinir
- Allergies: Inform your doctor if you are allergic to cefdinir or other antibiotics like penicillins, as well as any other allergies you may have.
- Medical History: Before using cefdinir, inform your doctor about your medical history, especially if you have kidney disease or intestinal disease (colitis).
- Diabetes: This medication may contain sugar, which can affect blood sugar levels.
- Pregnancy: If you are pregnant or planning to become pregnant, consult your doctor as cefdinir can affect an unborn child.
- Breastfeeding: It is unclear if cefdinir is excreted in breast milk. Consult your doctor before breastfeeding.
Dosage Interactions and Instructions:
Drug interactions can alter how cefdinir works or increase the risk of serious side effects. Keep a list of all medications you use and share it with your doctor. Cefdinir may interfere with lab tests (including urine glucose tests), leading to false results.
Overdose
In case of an overdose, seek medical attention immediately. Do not take more than the prescribed dose.
Missed Dose
If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose.
Storage
Store cefdinir in a cool, dry place away from heat, light, and moisture. Keep it out of reach of children.
Cefdinir vs Ceftriaxone
| Cefdinir | Ceftriaxone |
|---|---|
| Cefdinir also called Omnicef, is an antibiotic used for treating pneumonia, otitis media, strep throat, and cellulitis | Ceftriaxone, also known as Rocephin, is an antibiotic that is used to treat a variety of bacterial infections. |
| This antibiotic is classified as a cephalosporin. It is used for treating a wide range of bacterial infections. | Used to treat bacterial infections that are serious or life-threatening, such as E. coli, pneumonia, or meningitis. Ceftriaxone is also used to prevent infection in patients undergoing specific types of surgery. |
| It works by preventing bacterial growth. This antibiotic only treats bacterial infections. | It works by interfering with the cell wall formation of bacteria. Ceftriaxone weakens the bonds that hold the bacterial cell wall together, allowing holes to form. This kills the bacteria that are causing the infection. |
