Foscavir and Itching - a phase IV clinical study of FDA data

Summary:

Itching is reported as a side effect among people who take Foscavir (foscarnet sodium), especially for people who are female, 40-49 old, have been taking the drug for < 1 month also take Bactrim, and have Cytomegalovirus infection.

The phase IV clinical study analyzes which people have Itching when taking Foscavir. It is created by eHealthMe based on reports of 1,631 people who have side effects when taking Foscavir from the FDA, and is updated regularly.

What is Foscavir?

Foscavir has active ingredients of foscarnet sodium. eHealthMe is studying from 1,631 Foscavir users. Check the latest studies of Foscavir.

What is Itching?

Itching is found to be associated with 3,211 drugs and 4,538 conditions by eHealthMe. Check the latest studies of Itching.

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 Jul, 29, 2026

1,631 people reported to have side effects when taking Foscavir.
Among them, 12 people (0.74%) have Itching.

Could Foscavir cause Itching?

Among these 12 people:

How long have people been on Foscavir when they have Itching? *

  • < 1 month: 50 %
  • 1 - 6 months: 50 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Itching when taking Foscavir? *

  • female: 58.33 %
  • male: 41.67 %

What is the age of people who have Itching when taking Foscavir? *

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

What are other drugs people take besides Foscavir? *

  1. Prograf: 4 people, 33.33%
  2. Bactrim: 4 people, 33.33%
  3. Diflucan: 3 people, 25.00%
  4. Fludara: 3 people, 25.00%
  5. Lovenox: 3 people, 25.00%
  6. Pentacarinat: 3 people, 25.00%
  7. Polaramine: 3 people, 25.00%
  8. Prednisolone: 3 people, 25.00%
  9. Levofloxacin: 2 people, 16.67%
  10. Maxipime: 2 people, 16.67%

What are other side effects people have besides Itching? *

  1. Fever: 3 people, 25.00%
  2. Pain: 3 people, 25.00%
  3. Eosinophilia (eosinophil count in the peripheral blood exceeds): 3 people, 25.00%
  4. Pneumonia: 3 people, 25.00%
  5. Tongue Oedema (swelling of tongue): 3 people, 25.00%
  6. Thrombocytopenia (decrease of platelets in blood): 3 people, 25.00%
  7. Weakness: 3 people, 25.00%
  8. Face Oedema (swelling of face): 3 people, 25.00%
  9. Linear Iga Disease (a rare, idiopathic or drug-induced autoimmune blistering disease of skin): 3 people, 25.00%
  10. Blood Alkaline Phosphatase Increased: 2 people, 16.67%

What are the existing conditions these people have? *

  1. Cytomegalovirus Infection: 5 people, 41.67%
  2. Urticaria Chronic (long lasting rash of round, red welts on the skin that itch intensely): 3 people, 25.00%
  3. Haematotoxicity (toxins that destroy red blood cells): 3 people, 25.00%
  4. Immunodeficiency Disorders: 2 people, 16.67%
  5. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 16.67%
  6. Acute Myeloid Leukaemia (acute cancer in which the bone marrow makes abnormal myeloblasts): 2 people, 16.67%
  7. Osteoporosis (bones weak and more likely to break): 1 person, 8.33%
  8. Cytomegalovirus Viraemia (cytomegalo virus in blood stream): 1 person, 8.33%
  9. Cytomegalovirus Chorioretinitis (infection of choroid and retina of the eye from virus): 1 person, 8.33%
  10. Bone Marrow Conditioning Regimen: 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Foscavir and have Itching?

- Check whether Itching is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously



Related studies:

Effectiveness of, long term effects of, and alternative drugs to Foscavir:

Itching treatments and more:

How severe was Itching and when was it recovered:

Expand to all the drugs that have ingredients of foscarnet sodium:

Sub-studies by gender and age:

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

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

Browse all side effects of Foscavir:

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 the drugs that are associated with Itching:

Browse all the conditions that are associated with Itching:


How the study uses the data?

The study uses data from the FDA. It is based on foscarnet sodium (the active ingredients of Foscavir) and Foscavir (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.

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.

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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