- Are Keflex and Zithromax the Same Thing?
- What Are Possible Side Effects of Zithromax?
- What Are Possible Side Effects of Keflex?
- What is Zithromax?
- What is Keflex?
- What Drugs Interact with Zithromax?
- What Drugs Interact with Keflex?
- How Should Zithromax Be Taken?
- How Should Keflex Be Taken?
Are Keflex and Zithromax the Same Thing?
Zithromax Z-PAK (azithromycin) and Keflex (cephalexin) are antibiotics used to treat bacterial infections.
Keflex is also used before dental procedures in patients identified with certain heart-related conditions to prevent bacterial infections of the heart known as endocarditis.
Zithromax and Keflex belong to different antibiotic drug classes. Zithromax is a macrolide antibiotic Keflex is a cephalosporin antibiotic.
What Are Possible Side Effects of Zithromax?
Common side effects of Zithromax include:
- diarrhea or loose stools,
- abdominal pain,
- stomach upset,
- vaginal itching or discharge,
- sleep problems (insomnia),
- skin rash or itching,
- ringing in the ears,
- hearing problems,
- or decreased sense of taste or smell.
What Are Possible Side Effects of Keflex?
Common side effects of Keflex include:
What is Zithromax?
Zithromax Z-PAK (azithromycin) is a semi-synthetic macrolide antibiotic used for treating:
- otitis media (middle ear infection),
- and sinusitis caused by susceptible bacteria.
Zithromax is also effective against several sexually transmitted infectious diseases (STDs) such as nongonococcal urethritis and cervicitis. Zithromax is available in generic form.
What is Keflex?
Keflex (cephalexin) is a cephalosporin antibiotic prescribed to treat bacterial infections. Keflex is also used before dental procedures in patients identified with certain heart-related conditions to prevent bacterial infections of the heart known as endocarditis. Keflex is available as a generic drug.
What Drugs Interact With Zithromax?
Zithromax may interact with blood thinners, cyclosporine, other antibiotics, theophylline, cholesterol-lowering medicines, heart medications, HIV medicines, sedatives or seizure medicines.
Zithromax may also interact with arsenic trioxide, pimozide, tacrolimus, antidepressants, anti-malaria medications, ergot medicines, blood pressure medications, medicine to prevent or treat nausea and vomiting, medicines to treat psychiatric disorders, migraine headache medicines, narcotics, or tranquilizers.
What Drugs Interact With Keflex?
Keflex and amoxicillin may interact with probenecid and blood thinners.
Keflex may also interact with metformin.
How Should Zithromax Be Taken?
A typical oral dose of Zithromax consists of 500 mg for 1 day then 250 mg for 4 days. A typical intravenous dose consists of 500 mg for 2 days followed by 500 mg orally daily for an additional 5-8 days.
How Should Keflex Be Taken?
Keflex dosage depends on the condition being treated. Keflex should be used with caution in patients who have kidney disease and those who report a history of penicillin allergy.
Infectious Disease Resources
Health Solutions From Our Sponsors
All drug information provided on RxList.com is sourced directly from drug monographs published by the U.S. Food and Drug Administration (FDA).
Any drug information published on RxList.com regarding general drug information, drug side effects, drug usage, dosage, and more are sourced from the original drug documentation found in its FDA drug monograph.
Drug information found in the drug comparisons published on RxList.com is primarily sourced from the FDA drug information. The drug comparison information found in this article does not contain any data from clinical trials with human participants or animals performed by any of the drug manufacturers comparing the drugs.
The drug comparisons information provided does not cover every potential use, warning, drug interaction, side effect, or adverse or allergic reaction. RxList.com assumes no responsibility for any healthcare administered to a person based on the information found on this site.
As drug information can and will change at any time, RxList.com makes every effort to update its drug information. Due to the time-sensitive nature of drug information, RxList.com makes no guarantees that the information provided is the most current.
Any missing drug warnings or information does not in any way guarantee the safety, effectiveness, or the lack of adverse effects of any drug. The drug information provided is intended for reference only and should not be used as a substitute for medical advice.
If you have specific questions regarding a drug’s safety, side effects, usage, warnings, etc., you should contact your doctor or pharmacist, or refer to the individual drug monograph details found on the FDA.gov or RxList.com websites for more information.
You may also report negative side effects of prescription drugs to the FDA by visiting the FDA MedWatch website or calling 1-800-FDA-1088.
RxList. Keflex Product Monograph.