Doxycycline and Monodox drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Doxycycline (doxycycline hyclate) and Monodox (doxycycline). Common drug interactions include corneal graft rejection among females and pneumonia among males.

The phase IV clinical study analyzes what interactions people have when they take Doxycycline and Monodox. It is created by eHealthMe based on reports of 20 people who take the same drugs from the FDA, and is updated regularly.

What is Doxycycline?

Doxycycline has active ingredients of doxycycline hyclate. It is often used in acne. eHealthMe is studying from 60,868 Doxycycline users. Check the latest studies of Doxycycline.

What is Monodox?

Monodox has active ingredients of doxycycline. It is often used in acne. eHealthMe is studying from 388 Monodox users. Check the latest studies of Monodox.

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, 23, 2026

20 people who take Doxycycline and Monodox together, and have interactions are studied.

Doxycycline and Monodox drug interactions.

What are the common drug interactions of Doxycycline and Monodox, by gender? *:

female:

  1. Corneal graft rejection
  2. Eye infection
  3. Eye swelling
  4. Ocular hyperaemia (an abnormally large amount of blood in eye)
  5. Anxiety
  6. Back pain
  7. Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
  8. Chest pain
  9. Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
  10. Depression

male:

  1. Pneumonia
  2. Diarrhoea
  3. Paranasal sinus hypersecretion
  4. Respiratory tract infection
  5. Sinus node dysfunction (a group of abnormal heart rhythms)
  6. Sleep disorder
  7. Troponin increased
  8. Abdominal discomfort
  9. Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
  10. Blood glucose increased

What are the common drug interactions of Doxycycline and Monodox, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

  1. Anxiety
  2. Chest pain
  3. Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
  4. Depression
  5. Oedema peripheral (superficial swelling)
  6. Pain
  7. Pain in extremity
  8. Post thrombotic syndrome (long-term effects that can occur after venous thrombosis)
  9. Anal fissure
  10. Back pain

20-29:

n/a

30-39:

n/a

40-49:

  1. Diarrhoea

50-59:

  1. Pneumonia

60+:

  1. Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
  2. Corneal graft rejection
  3. Hypotension (abnormally low blood pressure)
  4. Left ventricular failure (left ventricle fails to contract forcefully)
  5. Nausea (feeling of having an urge to vomit)
  6. Pneumonia
  7. Sinus node dysfunction (a group of abnormal heart rhythms)
  8. Transaminases increased
  9. Troponin increased
  10. Urinary tract infection

What are the existing conditions these people have? *

  1. Rosacea (a skin condition that causes facial redness): 4 people, 20.00%
  2. Stress And Anxiety: 4 people, 20.00%
  3. Pneumonia: 3 people, 15.00%
  4. Wheezing (a high-pitched whistling sound made while you breath): 2 people, 10.00%
  5. Muscle Spasticity (tight or stiff muscles and an inability to control those muscles): 2 people, 10.00%
  6. Hypomagnesaemia (electrolyte disturbance in which there is an abnormally low level of magnesium in the blood): 2 people, 10.00%
  7. Hypokalemia (low potassium): 2 people, 10.00%
  8. Hypersensitivity: 2 people, 10.00%
  9. Enlarged Prostate: 2 people, 10.00%
  10. Depression: 2 people, 10.00%

* Approximation only. Some reports may have incomplete information.

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Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Doxycycline and Monodox:

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

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 Doxycycline:

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 Monodox:

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 interactions between Doxycycline and drugs from A to Z:

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 interactions between Monodox and drugs from A to Z:

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

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on doxycycline hyclate and doxycycline (the active ingredients of Doxycycline and Monodox, respectively), and Doxycycline and Monodox (the brand names). 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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