Famciclovir and Facial paralysis - a phase IV clinical study of FDA data


Facial paralysis is reported only by a few people who take Famciclovir.

The phase IV clinical study analyzes which people take Famciclovir and have Facial paralysis. It is created by eHealthMe based on reports of 2,871 people who have side effects while taking Famciclovir from the FDA, and is updated regularly.

With medical big data and AI algorithms, eHealthMe enables everyone to run phase IV clinical trial to detect adverse drug outcomes and monitor effectiveness. Our original studies have been referenced on 600+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Most recently, phase IV clinial trails for COVID 19 vaccines have been added, check here.

On Aug, 08, 2022

2,871 people reported to have side effects when taking Famciclovir.
Among them, 2 people (0.07%) have Facial paralysis.

What is Famciclovir?

Famciclovir has active ingredients of famciclovir. It is often used in herpes zoster. eHealthMe is studying from 2,708 Famciclovir users for its effectiveness, alternative drugs and more.

What is Facial paralysis?

Facial paralysis (loss of function of face muscle) is found to be associated with 1,468 drugs and 891 conditions by eHealthMe.

Number of Famciclovir and Facial paralysis reports submitted per year:

Could Famciclovir cause Facial paralysis?

Gender of people who have Facial paralysis when taking Famciclovir *:

  • female: 50 %
  • male: 50 %

Age of people who have Facial paralysis when taking Famciclovir *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 50 %
  • 40-49: 0.0 %
  • 50-59: 0.0 %
  • 60+: 50 %

Common drugs people take besides Famciclovir *:

  1. Xeljanz Xr: 1 person, 50.00%
  2. Methotrexate: 1 person, 50.00%

Common side effects people have besides Facial paralysis *:

  1. Varicella Virus Test Positive: 1 person, 50.00%
  2. Speech Disorder: 1 person, 50.00%
  3. Rash Vesicular (rash with a small bubble): 1 person, 50.00%
  4. Pain: 1 person, 50.00%
  5. Neuropathy Peripheral (surface nerve damage): 1 person, 50.00%
  6. Nausea (feeling of having an urge to vomit): 1 person, 50.00%
  7. Hypoaesthesia (reduced sense of touch or sensation): 1 person, 50.00%
  8. Herpes Zoster Oticus (viral infection of the inner, middle, and external ear caused by varicella-zoster virus (vzv)): 1 person, 50.00%
  9. Eye Movements - Uncontrollable: 1 person, 50.00%
  10. Ear Pain: 1 person, 50.00%

Common conditions people have *:

  1. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 50.00%
  2. Immunodeficiency Disorders: 1 person, 50.00%

* Approximation only. Some reports may have incomplete information.

Do you take Famciclovir and have Facial paralysis?

Check whether Facial paralysis is associated with a drug or a condition

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related studies

Alternative drugs to, pros and cons of Famciclovir:

Facial paralysis treatments and more:

COVID vaccines that are related to Facial paralysis:

How severe was Facial paralysis and when was it recovered:

Expand to all the drugs that have ingredients of famciclovir:

Common drugs associated with Facial paralysis:

All the drugs that are associated with Facial paralysis:

Common conditions associated with Facial paralysis:

All the conditions that are associated with Facial paralysis:

How the study uses the data?

The study uses data from the FDA. It is based on famciclovir (the active ingredients of Famciclovir) and Famciclovir (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

Who is eHealthMe?

With medical big data and proven AI 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 600+ 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: 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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