Cephalexin and Panic attacks - a phase IV clinical study of FDA data

Summary:

Panic attacks is reported as a side effect among people who take Cephalexin (cephalexin), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Clonazepam, and have Asthma.

The phase IV clinical study analyzes which people have Panic attacks when taking Cephalexin. It is created by eHealthMe based on reports of 29,149 people who have side effects when taking Cephalexin from the FDA, and is updated regularly.

What is Cephalexin?

Cephalexin has active ingredients of cephalexin. It is often used in infection. eHealthMe is studying from 30,578 Cephalexin users. Check the latest studies of Cephalexin.

What is Panic attacks?

Panic attacks is found to be associated with 2,583 drugs and 2,067 conditions by eHealthMe. Check the latest studies of Panic attacks.



On Dec, 11, 2025

29,149 people reported to have side effects when taking Cephalexin.
Among them, 175 people (0.6%) have Panic attacks.

Could Cephalexin cause Panic attacks?

Among these 175 people:

How long have people been on Cephalexin when they have Panic attacks? *

  • < 1 month: 46.15 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 7.69 %
  • 2 - 5 years: 15.38 %
  • 5 - 10 years: 30.77 %
  • 10+ years: 0.0 %

What is the gender of people who have Panic attacks when taking Cephalexin? *

  • female: 60.47 %
  • male: 39.53 %

What is the age of people who have Panic attacks when taking Cephalexin? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 4.23 %
  • 20-29: 18.31 %
  • 30-39: 9.86 %
  • 40-49: 25.35 %
  • 50-59: 9.86 %
  • 60+: 32.39 %

What are other drugs people take besides Cephalexin? *

  1. Clonazepam: 44 people, 25.14%
  2. Prednisone: 39 people, 22.29%
  3. Furosemide: 35 people, 20.00%
  4. Ambien: 32 people, 18.29%
  5. Albuterol: 31 people, 17.71%
  6. Percocet: 26 people, 14.86%
  7. Oxycontin: 26 people, 14.86%
  8. Xanax: 25 people, 14.29%
  9. Diazepam: 25 people, 14.29%
  10. Metformin Hydrochloride: 23 people, 13.14%

What are other side effects people have besides Panic attacks? *

  1. Stress And Anxiety: 92 people, 52.57%
  2. Depression: 85 people, 48.57%
  3. Weakness: 78 people, 44.57%
  4. Dyspnea (difficult or laboured breathing): 73 people, 41.71%
  5. Back Pain: 61 people, 34.86%
  6. Pain: 54 people, 30.86%
  7. Drug Dependence: 54 people, 30.86%
  8. Pollakiuria (abnormally frequent passage of relatively small quantities or urine): 49 people, 28.00%
  9. Fall: 48 people, 27.43%
  10. Headache (pain in head): 47 people, 26.86%

What are the existing conditions these people have? *

  1. Asthma: 30 people, 17.14%
  2. Depression: 21 people, 12.00%
  3. Pain: 21 people, 12.00%
  4. Stress And Anxiety: 15 people, 8.57%
  5. Quit Smoking: 14 people, 8.00%
  6. Acne (skin problems that cause pimples): 11 people, 6.29%
  7. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 10 people, 5.71%
  8. Multiple Myeloma (cancer of the plasma cells): 7 people, 4.00%
  9. Dermatitis (inflammation of the skin resulting from direct irritation by an external agent or an allergic reaction to it): 7 people, 4.00%
  10. Cataplexy (loss of muscle tone accompanied by full conscious awareness): 7 people, 4.00%

* Approximation only. Some reports may have incomplete information.

Do you take Cephalexin and have Panic attacks?

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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Cephalexin:

Panic attacks treatments and more:

How severe was Panic attacks and when was it recovered:

Expand to all the drugs that have ingredients of cephalexin:

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+

Common Cephalexin side effects:

Browse all side effects of Cephalexin:

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

Common drugs associated with Panic attacks:

Browse all the drugs that are associated with Panic attacks:

Common conditions associated with Panic attacks:

Browse all the conditions that are associated with Panic attacks:

Drugs similar to Cephalexin and Panic attacks :

Related publications that referenced our studies


How the study uses the data?

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