Catapres-tts-1 and Heart attack - a phase IV clinical study of FDA data

Summary:

Heart attack is reported as a side effect among people who take Catapres-tts-1 (clonidine), especially for people who are female, 60+ old, have been taking the drug for 10+ years also take Norvasc, and have Menopausal symptoms.

The phase IV clinical study analyzes which people have Heart attack when taking Catapres-tts-1. It is created by eHealthMe based on reports of 1,988 people who have side effects when taking Catapres-tts-1 from the FDA, and is updated regularly.

What is Catapres-tts-1?

Catapres-tts-1 has active ingredients of clonidine. It is often used in high blood pressure. eHealthMe is studying from 2,047 Catapres-tts-1 users. Check the latest studies of Catapres-tts-1.

What is Heart attack?

Heart attack is found to be associated with 2,489 drugs and 3,297 conditions by eHealthMe. Check the latest studies of Heart attack.



On Jul, 07, 2026

1,988 people reported to have side effects when taking Catapres-tts-1.
Among them, 36 people (1.81%) have Heart attack.

Could Catapres-tts-1 cause Heart attack?

Among these 36 people:

How long have people been on Catapres-tts-1 when they have Heart attack? *

  • < 1 month: 33.33 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 66.67 %

What is the gender of people who have Heart attack when taking Catapres-tts-1? *

  • female: 54.29 %
  • male: 45.71 %

What is the age of people who have Heart attack when taking Catapres-tts-1? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 17.24 %
  • 40-49: 3.45 %
  • 50-59: 10.34 %
  • 60+: 68.97 %

What are other drugs people take besides Catapres-tts-1? *

  1. Norvasc: 14 people, 38.89%
  2. Toprol-Xl: 9 people, 25.00%
  3. Prilosec: 7 people, 19.44%
  4. Zocor: 6 people, 16.67%
  5. Vioxx: 6 people, 16.67%
  6. Coumadin: 6 people, 16.67%
  7. Lansoprazole: 5 people, 13.89%
  8. Prograf: 5 people, 13.89%
  9. Premarin: 4 people, 11.11%
  10. Plavix: 4 people, 11.11%

What are other side effects people have besides Heart attack? *

  1. Chest Pain: 7 people, 19.44%
  2. Fall: 7 people, 19.44%
  3. Anaemia (lack of blood): 6 people, 16.67%
  4. Tooth Abscess (pus formation in tooth): 6 people, 16.67%
  5. Head Injury: 5 people, 13.89%
  6. Stress And Anxiety: 5 people, 13.89%
  7. Haemorrhoids (a swollen vein or group of veins in the region of the anus): 4 people, 11.11%
  8. Foot Deformity (functional disability of foot): 4 people, 11.11%
  9. Fracture Delayed Union (delayed cure of broken bone): 4 people, 11.11%
  10. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 4 people, 11.11%

What are the existing conditions these people have? *

  1. Hyperlipidaemia (presence of excess lipids in the blood): 4 people, 11.11%
  2. Menopausal Symptoms: 4 people, 11.11%
  3. Arthritis (form of joint disorder that involves inflammation of one or more joints): 3 people, 8.33%
  4. Osteoporosis (bones weak and more likely to break): 3 people, 8.33%
  5. Cardiac Disorder: 3 people, 8.33%
  6. Headache (pain in head): 2 people, 5.56%
  7. Impaired Gastric Emptying: 2 people, 5.56%
  8. Constipation: 2 people, 5.56%
  9. Insomnia (sleeplessness): 2 people, 5.56%
  10. Norepinephrine Increased (excess level of norepinephrine): 2 people, 5.56%

* Approximation only. Some reports may have incomplete information.

Do you take Catapres-tts-1 and have Heart attack?

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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Catapres-tts-1:

Heart attack treatments and more:

How severe was Heart attack and when was it recovered:

Expand to all the drugs that have ingredients of clonidine:

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 Catapres-tts-1:

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 Heart attack:

Browse all the conditions that are associated with Heart attack:

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on clonidine (the active ingredients of Catapres-tts-1) and Catapres-tts-1 (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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