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Zymaxid vs. Keflex

Gatifloxacin (Zymaxid) is a fluoroquinolone antibiotic eye drop. It works well to treat pink eye caused by certain types of bacteria, but it doesn't treat pink eye caused by viruses. Gatifloxacin (Zymaxid) is approved for people ages 1 year and older. It's placed in the eye multiple times a day. Typically, treatment lasts about a week. Some of the more common side effects of gatifloxacin (Zymaxid) include eye irritation and changes in taste in your mouth.

• Bacterial conjunctivitis (pink eye)

• Worsening of eye infection
• Eye irritation
• Eye pain
• Changes the taste in your mouth

• Allergic reactions
• New infection

Cephalexin, also commonly known as Keflex, is a cephalosporin antibiotic for people ages 1 year and older. It can treat many types of bacterial infections. This includes ear infections, skin infections like cellulitis, urinary tract infections (UTIs), and strep throat. Cephalexin comes as capsules, tablets, and a liquid suspension. It's taken by mouth 2 to 4 times per day. Side effects can include nausea, vomiting, and diarrhea. Cephalexin is a generic medication; its brand name Keflex is no longer available.

• Respiratory tract infections (e.g., strep throat)
• Ear infections
• Skin infections (e.g., cellulitis)
• Bone infections
• Urinary tract infections (UTIs)
• Reproductive system infections (e.g., prostatitis)

• Diarrhea
• Nausea
• Vomiting
• Indigestion
• Stomach pain

• Allergic reactions
• Diarrhea from Clostridioides difficile infection
• Seizures
• Higher risk of bleeding
• Possible development of drug-resistant bacteria