Cefotaxime and Trimethoprim drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Cefotaxime (cefotaxime sodium) and Trimethoprim (trimethoprim). Common drug interactions include blood potassium increased among females and anxiety among males.

The phase IV clinical study analyzes what interactions people have when they take Cefotaxime and Trimethoprim. It is created by eHealthMe based on reports of 23 people who take the same drugs from the FDA, and is updated regularly.

What is Cefotaxime?

Cefotaxime has active ingredients of cefotaxime sodium. eHealthMe is studying from 7,559 Cefotaxime users. Check the latest studies of Cefotaxime.

What is Trimethoprim?

Trimethoprim has active ingredients of trimethoprim. It is often used in urinary tract infection. eHealthMe is studying from 8,213 Trimethoprim users. Check the latest studies of Trimethoprim.



On Jul, 08, 2026

23 people who take Cefotaxime and Trimethoprim together, and have interactions are studied.

Cefotaxime and Trimethoprim drug interactions.

What are the common drug interactions of Cefotaxime and Trimethoprim, by gender? *:

female:

  1. Blood potassium increased
  2. Gastroenteritis (inflammation of stomach and intestine)
  3. Renal impairment (severely reduced kidney function)
  4. Renal disorder (kidney disease)

male:

  1. Anxiety
  2. Tremor (trembling or shaking movements in one or more parts of your body)
  3. Blood potassium increased
  4. Blood urea increased
  5. Abdominal pain
  6. Arrhythmia (irregular heartbeat)
  7. Cardiac fibrillation (uncontrolled muscle contraction of heart)
  8. Alanine aminotransferase increased
  9. Altered state of consciousness (altered state of mind)
  10. Aspartate aminotransferase increased

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

0-1:

  1. Blood potassium increased
  2. Renal disorder (kidney disease)

2-9:

  1. Device dislocation
  2. Umbilical hernia (an outward bulging (protrusion) of the abdominal lining or part of the abdominal organ(s) through the area around the belly button)
  3. Weight gain poor

10-19:

  1. Abdominal distension
  2. Abdominal pain
  3. Altered state of consciousness (altered state of mind)
  4. Bacteraemia (presence of bacteria in the blood)
  5. Bone marrow failure
  6. C-reactive protein increased
  7. Confusional state
  8. Csf culture positive
  9. Drug resistance (reduction in effectiveness of a drug)
  10. Headache (pain in head)

20-29:

n/a

30-39:

n/a

40-49:

  1. Alanine aminotransferase increased
  2. Aspartate aminotransferase increased
  3. Liver transplant rejection (failure of liver transplant)

50-59:

  1. Arrhythmia (irregular heartbeat)
  2. Cardiac fibrillation (uncontrolled muscle contraction of heart)
  3. Lower respiratory tract infection
  4. Anxiety
  5. Tremor (trembling or shaking movements in one or more parts of your body)
  6. Ventricular tachycardia (rapid heartbeat that originates in one of the lower chambers (the ventricles) of the heart)
  7. Drug toxicity
  8. Cardiac arrest
  9. Ventricular fibrillation (abnormally irregular heart rhythm)
  10. Blood potassium increased

60+:

  1. Gastroenteritis (inflammation of stomach and intestine)
  2. Renal impairment (severely reduced kidney function)

What are the existing conditions these people have? *

  1. Fever: 6 people, 26.09%
  2. Respiratory Disorder (respiratory disease): 4 people, 17.39%
  3. Pain: 4 people, 17.39%
  4. Nervous System Disorder (a general class of medical conditions affecting the nervous system): 4 people, 17.39%
  5. Abdominal Pain: 3 people, 13.04%
  6. Lower Respiratory Tract Infection: 3 people, 13.04%
  7. Gastrointestinal Disorder (functional problems of gastrointestinal tract): 2 people, 8.70%
  8. Bronchospasm (spasm of bronchial smooth muscle producing narrowing of the bronchi): 2 people, 8.70%
  9. Constipation: 2 people, 8.70%
  10. Dyspnea (difficult or laboured breathing): 2 people, 8.70%

* 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 Cefotaxime and Trimethoprim:

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 Cefotaxime:

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 Trimethoprim:

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 Cefotaxime 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 Trimethoprim 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

How the study uses the data?

The study uses data from the FDA. It is based on cefotaxime sodium and trimethoprim (the active ingredients of Cefotaxime and Trimethoprim, respectively), and Cefotaxime and Trimethoprim (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.

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