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Doxy 100 side effects, by duration, gender and age (a phase IV clinical study of FDA data)

Summary:

Side effects are reported by people who take Doxy 100 (doxycycline hyclate). Common side effects include pancreatitis acute among females and hypoglycaemia among males.

The phase IV clinical study is created by eHealthMe based on 24 reports from the FDA, and is updated regularly.

What is Doxy 100?

Doxy 100 has active ingredients of doxycycline hyclate. It is often used in acne. eHealthMe is studying from 301 Doxy 100 users. Check the latest studies of Doxy 100.

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On Sep, 01, 2026

24 people who take Doxy 100 and have side effects are studied.

Doxy 100 side effects.

What are the common side effects of Doxy 100, by gender? *:

female:

  1. Pancreatitis acute (sudden inflammation of pancreas)
  2. Stevens-johnson syndrome (an immune-complex-mediated hypersensitivity disorder. it ranges from mild skin and mucous membrane lesions to a severe)
  3. Endometritis (inflammation of the endometrium)
  4. Abdominal pain upper
  5. Alopecia (absence of hair from areas of the body)
  6. Aphthous ulcer (mouth ulcer)
  7. Bladder cancer
  8. Chronic lymphocytic leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell))
  9. Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)
  10. Dizziness

male:

  1. Hypoglycaemia (deficiency of glucose in the bloodstream)
  2. Pneumonia

What are the common side effects of Doxy 100, by age (0-1 to 60+) *:

0-1:

n/a

2-9:

n/a

10-19:

  1. Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)

20-29:

  1. Aphthous ulcer (mouth ulcer)

30-39:

  1. Stevens-johnson syndrome (an immune-complex-mediated hypersensitivity disorder. it ranges from mild skin and mucous membrane lesions to a severe)
  2. Pancreatitis acute (sudden inflammation of pancreas)

40-49:

n/a

50-59:

n/a

60+:

  1. Bladder cancer
  2. Chronic lymphocytic leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell))
  3. Dizziness
  4. Hypoglycaemia (deficiency of glucose in the bloodstream)
  5. Pneumonia

What are the common side effects of Doxy 100, by the time people have been on the drug (< 1 month to 10+ years)? *:

< 1 month:

  1. Aphthous ulcer (mouth ulcer)
  2. Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)
  3. Stevens-johnson syndrome (an immune-complex-mediated hypersensitivity disorder. it ranges from mild skin and mucous membrane lesions to a severe)

1 - 6 months:

n/a

6 - 12 months:

n/a

1 - 2 years:

n/a

2 - 5 years:

n/a

5 - 10 years:

n/a

10+ years:

n/a

not specified:

  1. Pancreatitis acute (sudden inflammation of pancreas)
  2. Pneumonia
  3. Wound
  4. Endometritis (inflammation of the endometrium)
  5. Abdominal pain upper
  6. Alopecia (absence of hair from areas of the body)
  7. Bladder cancer
  8. Chronic lymphocytic leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell))
  9. Dizziness
  10. Hypoglycaemia (deficiency of glucose in the bloodstream)

* Approximation only. Some reports may have incomplete information.

Do you take Doxy 100?

- Personalize this study to your gender and age
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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.



How the study uses the data?

The study is based on doxycycline hyclate (the active ingredients of Doxy 100) and Doxy 100 (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered.

Related studies are listed below in case you need more information:

Alternative drugs to, pros and cons of Doxy 100:

All Doxy 100 side effects 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

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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