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Compare Bactrim vs. Cefdinir

Head-to-head comparisons of medication uses, side effects, warnings, and more.

  • Sulfamethoxazole/trimethoprim
    Cefdinir
  • Sulfamethoxazole/trimethoprim
    Cefdinir

  • Summary of Bactrim vs. Cefdinir

    Summary for Sulfonamide antibiotic
    Prescription only

    Sulfamethoxazole/trimethoprim (sometimes known as SMZ/TMP) is a combination medication containing an antifolate and sulfa antibiotic. It's used to treat different types of infections, such as urinary tract infections (UTIs), ear infections, and lung infections. This antibiotic has two different brand names, Bactrim and Septra, and it's also available as a lower-cost generic. It's a tablet that's taken by mouth, typically twice daily for most types of infections. This antibiotic also comes as a suspension under the brand name Sulfatrim for people who can't swallow tablets and as an injection for people in the hospital. Common side effects include nausea, diarrhea, and rash.

    Summary for Cephalosporin antibiotic
    Prescription only

    Cefdinir, also known by its brand name Omnicef, is a cephalosporin antibiotic that can treat several types of bacterial infections, such as pneumonia, sinus infections, and ear infections. Although the brand name is no longer available, its generic can still be prescribed for adults and children. Cefdinir comes as capsules and a suspension that are taken once or twice per day by mouth. Side effects can include diarrhea, nausea, and rash.

  • Indications of Bactrim vs. Cefdinir

    Indications for
    •Urinary tract infection (UTI)
    •Lower respiratory tract infection (e.g., Pneumocystis pneumonia, infections related to bronchitis)
    •Diarrhea caused by Shigella (shigellosis)
    •Travelers' diarrhea - tablet or liquid only
    •Ear infections - tablet or liquid only
    Indications for
    •Pneumonia
    •Lung infections related to long-term bronchitis
    •Sinus infections
    •Strep throat
    •Tonsil infections
    •Skin infections
    •Ear infections - for children only

  • Pros and Cons of Bactrim vs. Cefdinir

    Pros and Const for Sulfonamide antibiotic
    Pros
    •Treats many types of bacterial infections
    •Can be given to children as young as 2 months old to treat certain infections
    •Available as a lower-cost generic
    Cons
    •Can upset your stomach and make your skin more sensitive to the sun
    •Not the best choice for people with liver or kidney problems
    •Not recommended if you're pregnant
    •Can't take if you have a sulfa allergy
    Pros and Const for Cephalosporin antibiotic
    Pros
    •Available as a capsule and oral suspension
    •Can be used for children and adults
    •Might be able to take once per day, depending on the infection
    •Can keep oral suspension at room temperature for up to 10 days
    Cons
    •Might not be able to take this antibiotic if you've had a severe allergic reaction to penicillins or other cephalosporin antibiotics
    •Must separate when you take cefdinir and antacids or iron supplements by at least 2 hours
    •Oral suspension contains sugar, so people with diabetes might have higher blood sugar levels while they're taking the antibiotic
    •Not recommended for the cold or flu, since they're not caused by a bacterial infection

  • Common Side Effects of Bactrim vs. Cefdinir

    Common Side Effects for
    •Nausea
    •Vomiting
    •Diarrhea
    •Loss of appetite
    •Rash
    •Hives
    •Skin sensitivity to sun or light
    Common Side Effects for
    •Diarrhea (up to 15%)

  • Warnings of Bactrim vs. Cefdinir

    Common Side Effects for
    •Not for use during pregnancy
    •Severe allergic reactions and skin reactions
    •Low platelet counts and risk for bleeding
    •Diarrhea from Clostridioides difficile infection
    •Low sodium levels and high potassium levels
    •Blood cell-related problems
    •Problems with processing phenylalanine - for people with phenylketonuria (PKU) only
    Common Side Effects for
    •Severe allergic reactions
    •Diarrhea from Clostridioides difficile infection
    •Possible development of drug-resistant bacteria

  • Prices with our coupons for Bactrim vs. Cefdinir

    Learn more about Sulfamethoxazole/trimethoprim
    Learn more about Cefdinir

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