Cipro and Conjunctival haemorrhage - a phase IV clinical study of FDA data


Conjunctival haemorrhage is found among people who take Cipro, especially for people who are male, 60+ old, have been taking the drug for 2 - 5 years.

The phase IV clinical study analyzes which people take Cipro and have Conjunctival haemorrhage. It is created by eHealthMe based on reports of 31,471 people who have side effects when taking Cipro from the FDA, and is updated regularly. You can use the study as a second opinion to make health care decisions.

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Sep, 18, 2023

31,471 people reported to have side effects when taking Cipro.
Among them, 29 people (0.09%) have Conjunctival haemorrhage.

What is Cipro?

Cipro has active ingredients of ciprofloxacin hydrochloride. It is often used in urinary tract infection. eHealthMe is studying from 33,737 Cipro users for its effectiveness, alternative drugs and more.

What is Conjunctival haemorrhage?

Conjunctival haemorrhage (bleeding underneath the conjunctiva) is found to be associated with 1,109 drugs and 547 conditions by eHealthMe.

Number of Cipro and Conjunctival haemorrhage reports submitted per year:

Could Cipro cause Conjunctival haemorrhage?

Time on Cipro when people have Conjunctival haemorrhage *:

  • < 1 month: 0.0 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 100 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

Gender of people who have Conjunctival haemorrhage when taking Cipro *:

  • female: 10.34 %
  • male: 89.66 %

Age of people who have Conjunctival haemorrhage when taking Cipro *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 7.69 %
  • 60+: 92.31 %

Common drugs people take besides Cipro *:

  1. Zometa: 23 people, 79.31%
  2. Aredia: 23 people, 79.31%
  3. Coumadin: 23 people, 79.31%
  4. Dexamethasone: 22 people, 75.86%
  5. Rocephin: 14 people, 48.28%
  6. Prilosec: 14 people, 48.28%
  7. Digoxin: 13 people, 44.83%
  8. Vioxx: 13 people, 44.83%
  9. Lasix: 12 people, 41.38%
  10. Aranesp: 12 people, 41.38%

Common side effects people have besides Conjunctival haemorrhage *:

  1. Anaemia (lack of blood): 24 people, 82.76%
  2. Oedema Peripheral (superficial swelling): 23 people, 79.31%
  3. Stress And Anxiety: 23 people, 79.31%
  4. Toothaches (tooth pain): 22 people, 75.86%
  5. Back Pain: 21 people, 72.41%
  6. Bone Disorder: 20 people, 68.97%
  7. Neuropathy Peripheral (surface nerve damage): 18 people, 62.07%
  8. Atelectasis (partial or complete collapse of the lung): 16 people, 55.17%
  9. Pain: 15 people, 51.72%
  10. Neoplasm Malignant (cancer tumour): 14 people, 48.28%

Common conditions people have *:

  1. Multiple Myeloma (cancer of the plasma cells): 10 people, 34.48%
  2. Bone Density Decreased: 9 people, 31.03%
  3. Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect): 8 people, 27.59%
  4. Neoplasm Malignant (cancer tumour): 7 people, 24.14%
  5. Bone Loss: 3 people, 10.34%
  6. Iron Overload: 2 people, 6.90%
  7. Urinary Incontinence (inability to control the flow of urine and involuntary urination): 1 person, 3.45%
  8. Cardiomyopathy (weakening of the heart muscle): 1 person, 3.45%
  9. Arteriosclerosis Coronary Artery (thickening and hardening of arteries- coronary artery): 1 person, 3.45%
  10. Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 1 person, 3.45%

* Approximation only. Some reports may have incomplete information.

Do you take Cipro and have Conjunctival haemorrhage?

Check whether Conjunctival haemorrhage 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

How severe was Conjunctival haemorrhage and when was it recovered:

Expand to all the drugs that have ingredients of ciprofloxacin hydrochloride:

Alternative drugs to, pros and cons of Cipro:

Common Cipro side effects:

Browse all side effects of Cipro:

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

Conjunctival haemorrhage treatments and more:

COVID vaccines that are related to Conjunctival haemorrhage:

Common drugs associated with Conjunctival haemorrhage:

All the drugs that are associated with Conjunctival haemorrhage:

Common conditions associated with Conjunctival haemorrhage:

All the conditions that are associated with Conjunctival haemorrhage:

How the study uses the data?

The study uses data from the FDA. It is based on ciprofloxacin hydrochloride (the active ingredients of Cipro) and Cipro (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+ 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 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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