- Are Bactrimand Omnicef the Same Thing?
- What Are Possible Side Effects of Omnicef?
- What Are Possible Side Effects of Bactrim?
- What is Omnicef?
- What is Bactrim?
- What Drugs Interact with Omnicef?
- What Drugs Interact with Bactrim?
- How Should Omnicef Be Taken?
- How Should BactrimBe Taken?
Are Omnicef and Bactrimthe Same Thing?
Omnicef (cefdinir) and Bactrim (sulfamethoxazole and trimethoprim) are antibiotics used to treat many different types of infections caused by bacteria.
Omnicef is a cephalosporin antibiotic and Bactrim DS is a combination of an anti-bacterial sulfonamide (a "sulfa" drug) and a folic acid inhibitor.
The brand name Omnicef is discontinued in the U.S. Generic versions of cefdinir are available.
What Are Possible Side Effects of Omnicef?
Common side effects of Omnicef include:
- diarrhea,
- nausea,
- vomiting,
- stomach pain,
- indigestion,
- headache,
- dizziness,
- diaper rash in an infant taking liquid cefdinir,
- itching,
- skin rash, or
- vaginal itching or
- discharge.
Tell your doctor if you experience serious side effects of Omnicef including watery or bloody diarrhea, chest pain, fever, chills, body aches, flu symptoms, unusual bleeding, seizures (convulsions), pale or yellowed skin, dark colored urine, fever, confusion or weakness, jaundice (yellowing of the skin or eyes); fever, sore throat, and headache with a severe blistering, peeling, and red skin rash; increased thirst, loss of appetite, swelling, weight gain, feeling short of breath, or urinating less than usual or not at all.
What Are Possible Side Effects of Bactrim?
Common side effects of Bactrim include:
- loss of appetite,
- nausea,
- vomiting,
- painful or swollen tongue,
- dizziness,
- spinning sensation,
- ringing in your ears,
- tiredness, or
- sleep problems (insomnia).
Tell your doctor if you experience serious side effects of Bactrim including:
- bruising or bleeding,
- aplastic anemia,
- jaundice,
- hepatic necrosis,
- mouth sores,
- joint aches,
- severe skin rashes,
- itching, and
- sore throat.
What is Omnicef?
Omnicef (cefdinir) is a cephalosporin antibiotic used to treat many different types of infections caused by bacteria. The brand name Omnicef is discontinued in the U.S. Omnicef is available in generic form.
What is Bactrim?
Bactrim (sulfamethoxazole and trimethoprim) DS is a combination of two antibiotics used to treat urinary tract infections, acute otitis media, bronchitis, Shigellosis, Pneumocystis pneumonia, traveler's diarrhea, methicillin-resistant Staphylococcus aureus (MRSA), and other bacterial infections susceptible to this antibiotic. Bactrim is available as a generic drug.

QUESTION
Bowel regularity means a bowel movement every day. See AnswerWhat Drugs Interact With Omnicef?
Omnicef may interact with blood thinners, antibiotics, antidepressants, anti-malaria medications, medicine to prevent or treat nausea and vomiting, medicines to treat psychiatric disorders, migraine headache medicines, nonsteroidal anti-inflammatory drugs (NSAIDs), steroids, or narcotics.
What Drugs Interact With Bactrim?
Both Bactrim may interact with blood thinners, cyclosporine, methotrexate, oral diabetes medications, and seizure medications. Bactrim may also interact with antidepressants, digoxin, diuretics (water pills), indomethacin, leucovorin, calcium folinate, and heart or blood pressure medications. Cipro may also interact clozapine, probenecid, ropinirole, theophylline, NSAIDs (nonsteroidal anti-inflammatory drugs), or steroids.
How Should Omnicef Be Taken?
The recommended dose of Omnicef is 150 mg every 13 weeks administered by deep intramuscular (IM) injection in the gluteal or deltoid muscle. Omnicef should not be used as a long-term birth control method (longer than 2 years).
How Should BactrimBe Taken?
Administer the solution by intravenous infusion over a period of 60 to 90 minutes. Avoid administration by rapid infusion or bolus injection. Do NOT administer Bactrim intramuscularly.
How Should Cipro Be Taken?

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DailyMed. Ceftin (Omnicef) Product Information.
https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=2f439b86-59d6-4350-aeb4-c904b3781db4
FDA. Bactrim Product Information.
https://www.accessdata.fda.gov/drugsatfda_docs/label/2014/017377s074lbl.pdf