Penicillin g potassium vs. Levaquin: side effect and effectiveness comparison (a real world drug study)

Summary:

We compare the side effects and drug effectiveness of Penicillin g potassium and Levaquin. The phase IV clinical study is created by eHealthMe based on reports (from sources including the FDA) of 121,754 people who take Penicillin g potassium and Levaquin, and is updated regularly.

What is Penicillin g potassium?

Penicillin g potassium has active ingredients of penicillin g potassium. It is often used in strep throat. eHealthMe is studying from 1,124 Penicillin g potassium users. Check the latest studies of Penicillin g potassium.

What is Levaquin?

Levaquin has active ingredients of levofloxacin. It is often used in sinusitis. eHealthMe is studying from 56,638 Levaquin users. Check the latest studies of Levaquin.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.



On Aug, 21, 2026

121,754 people who take Penicillin g potassium and Levaquin are studied.

Penicillin g potassium vs Levaquin drug comparison reports.

Drugs being compared in this study:

  • Levaquin (levofloxacin)
  • Penicillin G Potassium (penicillin g potassium)

Most common side effects of the drugs, overall:

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Most common side effects of the drugs, in long term (1+ years) use:

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Drug effectiveness:

Penicillin G Potassium:

  • not at all: 9.01 %
  • somewhat: 22.97 %
  • moderate: 29.28 %
  • high: 30.18 %
  • very high: 8.56 %

Levaquin:

  • not at all: 14.27 %
  • somewhat: 21.4 %
  • moderate: 25.25 %
  • high: 31.67 %
  • very high: 7.42 %

Want to compare Penicillin g potassium with Levaquin?

- Personalize this study to your gender and age (0-99+)

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.



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Browse all side effects of Penicillin g potassium:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all side effects of Levaquin:

a b c d e f g h i j k l m n o p q r s t u v w x y z

How the study uses the data?

The study is based on penicillin g potassium and levofloxacin (the active ingredients of Penicillin g potassium and Levaquin, respectively). Other drugs that have the same active ingredients (e.g. generic drugs or brand names) are also considered. Dosage of drugs is not considered in the study.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.



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