Acyclovir and Tendonitis - a phase IV clinical study of FDA data

Summary:

Tendonitis is reported as a side effect among people who take Acyclovir (acyclovir), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Zometa, and have Multiple myeloma.

The phase IV clinical study analyzes which people have Tendonitis when taking Acyclovir. It is created by eHealthMe based on reports of 53,484 people who have side effects when taking Acyclovir from the FDA, and is updated regularly.

What is Acyclovir?

Acyclovir has active ingredients of acyclovir. It is often used in herpes simplex. eHealthMe is studying from 54,957 Acyclovir users. Check the latest studies of Acyclovir.

What is Tendonitis?

Tendonitis (a condition that causes pain and swelling of tendons) is found to be associated with 1,115 drugs and 1,263 conditions by eHealthMe. Check the latest studies of Tendonitis.



On Jul, 19, 2025

53,484 people reported to have side effects when taking Acyclovir.
Among them, 70 people (0.13%) have Tendonitis.

Could Acyclovir cause Tendonitis?

Among these 70 people:

How long have people been on Acyclovir when they have Tendonitis? *

  • < 1 month: 80 %
  • 1 - 6 months: 20 %
  • 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 Tendonitis when taking Acyclovir? *

  • female: 47.06 %
  • male: 52.94 %

What is the age of people who have Tendonitis when taking Acyclovir? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 1.61 %
  • 30-39: 4.84 %
  • 40-49: 8.06 %
  • 50-59: 40.32 %
  • 60+: 45.16 %

What are other drugs people take besides Acyclovir? *

  1. Zometa: 39 people, 55.71%
  2. Aredia: 34 people, 48.57%
  3. Levaquin: 33 people, 47.14%
  4. Dexamethasone: 29 people, 41.43%
  5. Revlimid: 26 people, 37.14%
  6. Allopurinol: 25 people, 35.71%
  7. Chlorhexidine Gluconate: 24 people, 34.29%
  8. Vicodin: 24 people, 34.29%
  9. Uroxatral: 22 people, 31.43%
  10. Protonix: 22 people, 31.43%

What are other side effects people have besides Tendonitis? *

  1. Stress And Anxiety: 47 people, 67.14%
  2. Pain: 47 people, 67.14%
  3. Joint Pain: 39 people, 55.71%
  4. High Blood Pressure: 36 people, 51.43%
  5. Anaemia (lack of blood): 35 people, 50.00%
  6. Osteonecrosis Of Jaw (death of bone of jaw): 32 people, 45.71%
  7. Pain In Jaw: 32 people, 45.71%
  8. Neuropathy Peripheral (surface nerve damage): 30 people, 42.86%
  9. Tooth Abscess (pus formation in tooth): 29 people, 41.43%
  10. Thrombocytopenia (decrease of platelets in blood): 28 people, 40.00%

What are the existing conditions these people have? *

  1. Multiple Myeloma (cancer of the plasma cells): 11 people, 15.71%
  2. Ill-Defined Disorder: 5 people, 7.14%
  3. Pain: 4 people, 5.71%
  4. High Blood Cholesterol: 4 people, 5.71%
  5. High Blood Pressure: 4 people, 5.71%
  6. Neoplasm Malignant (cancer tumour): 4 people, 5.71%
  7. Osteoporosis (bones weak and more likely to break): 4 people, 5.71%
  8. Diabetes: 3 people, 4.29%
  9. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 2 people, 2.86%
  10. Migraine (headache): 2 people, 2.86%

* Approximation only. Some reports may have incomplete information.

Do you take Acyclovir and have Tendonitis?

- Check whether Tendonitis 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 Acyclovir:

Tendonitis treatments and more:

How severe was Tendonitis and when was it recovered:

Browse all side effects of Acyclovir:

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 Tendonitis:

Browse all the conditions that are associated with Tendonitis:

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on acyclovir (the active ingredients of Acyclovir) and Acyclovir (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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