Amoxicillin and Syphilis - a phase IV clinical study of FDA data

Summary:

Syphilis is reported as a side effect among people who take Amoxicillin (amoxicillin), especially for people who are male, 30-39 old, have been taking the drug for < 1 month also take Truvada, and have Hiv infection.

The phase IV clinical study analyzes which people have Syphilis when taking Amoxicillin. It is created by eHealthMe based on reports of 95,831 people who have side effects when taking Amoxicillin from the FDA, and is updated regularly.

What is Amoxicillin?

Amoxicillin has active ingredients of amoxicillin. It is often used in infection. eHealthMe is studying from 99,235 Amoxicillin users. Check the latest studies of Amoxicillin.

What is Syphilis?

Syphilis (sexually transmitted , chronic bacterial disease caused by the spirochete treponema pallidum) is found to be associated with 114 drugs and 238 conditions by eHealthMe. Check the latest studies of Syphilis.

On Jul, 24, 2026

95,831 people reported to have side effects when taking Amoxicillin.
Among them, 19 people (0.02%) have Syphilis.

Among these 19 people:

How long have people been on Amoxicillin when they have Syphilis? *

What is the gender of people who have Syphilis when taking Amoxicillin? *

female: 9.09 %
male: 90.91 %

What is the age of people who have Syphilis when taking Amoxicillin? *

What are other drugs people take besides Amoxicillin? *

Truvada: 11 people, 57.89%
Dolutegravir: 10 people, 52.63%
Descovy: 10 people, 52.63%
Atovaquone: 7 people, 36.84%
Albuterol: 7 people, 36.84%
Famotidine: 6 people, 31.58%
Acetaminophen: 6 people, 31.58%
Levofloxacin: 6 people, 31.58%
Trazodone Hydrochloride: 4 people, 21.05%
Triumeq: 4 people, 21.05%

What are other side effects people have besides Syphilis? *

Drug Eruption (adverse drug reaction of the skin): 10 people, 52.63%
Gastroenteritis (inflammation of stomach and intestine): 10 people, 52.63%
High Blood Pressure: 7 people, 36.84%
Pneumonia: 7 people, 36.84%
Alcohol Poisoning: 7 people, 36.84%
Folliculitis (infection of hair root): 7 people, 36.84%
Itching: 7 people, 36.84%
Lip Erosion (peeling off of lip): 7 people, 36.84%
Oral Candidiasis (fungal infection of mouth): 7 people, 36.84%
Pericoronitis (inflammation of the gingiva surrounding the crown of a tooth): 7 people, 36.84%

What are the existing conditions these people have? *

Hiv Infection: 16 people, 84.21%
Gastroenteritis (inflammation of stomach and intestine): 10 people, 52.63%
Cytomegalovirus Infection: 7 people, 36.84%
Pneumonia: 7 people, 36.84%
Pericoronitis (inflammation of the gingiva surrounding the crown of a tooth): 7 people, 36.84%
Itching: 5 people, 26.32%
Alcohol Poisoning: 5 people, 26.32%
Hyperlipidaemia (presence of excess lipids in the blood): 3 people, 15.79%
Seasonal Allergy (allergic condition due to certain season): 3 people, 15.79%
Asthma: 3 people, 15.79%

* Approximation only. Some reports may have incomplete information.

Do you take Amoxicillin and have Syphilis?

- Check whether Syphilis is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

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

Amoxicillin (99,235 reports)

Syphilis treatments and more:

Syphilis (1,148 reports)

Browse all side effects of Amoxicillin:

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 Syphilis:

Syphilis (114 drugs)

Browse all the conditions that are associated with Syphilis:

Syphilis (238 conditions)

How the study uses the data?

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