Sulfamethoprim and Itching - a phase IV clinical study of FDA data

Summary:

Itching is reported as a side effect among people who take Sulfamethoprim (sulfamethoxazole; trimethoprim), especially for people who are female, 50-59 old, have been taking the drug for 1 - 6 months also take Methylprednisolone Sodium Succinate, and have Bone marrow conditioning regimen.

The phase IV clinical study analyzes which people have Itching when taking Sulfamethoprim. It is created by eHealthMe based on reports of 774 people who have side effects when taking Sulfamethoprim from the FDA, and is updated regularly.

What is Sulfamethoprim?

Sulfamethoprim has active ingredients of sulfamethoxazole; trimethoprim. eHealthMe is studying from 805 Sulfamethoprim users. Check the latest studies of Sulfamethoprim.

What is Itching?

Itching is found to be associated with 3,211 drugs and 4,536 conditions by eHealthMe. Check the latest studies of Itching.

On Aug, 03, 2026

774 people reported to have side effects when taking Sulfamethoprim.
Among them, 34 people (4.39%) have Itching.

Among these 34 people:

How long have people been on Sulfamethoprim when they have Itching? *

What is the gender of people who have Itching when taking Sulfamethoprim? *

female: 67.65 %
male: 32.35 %

What is the age of people who have Itching when taking Sulfamethoprim? *

What are other drugs people take besides Sulfamethoprim? *

Methylprednisolone Sodium Succinate: 16 people, 47.06%
Tacrolimus: 14 people, 41.18%
Furosemide: 13 people, 38.24%
Hydrocortisone Sodium Succinate: 13 people, 38.24%
Prednisolone: 12 people, 35.29%
Allopurinol: 11 people, 32.35%
Granisetron Hydrochloride: 11 people, 32.35%
Micafungin Sodium: 11 people, 32.35%
Ursodiol: 11 people, 32.35%
Acyclovir: 10 people, 29.41%

What are other side effects people have besides Itching? *

Staphylococcal Sepsis (blood infection by an infection with staphylococcus bacteria): 12 people, 35.29%
Fever: 12 people, 35.29%
Rashes (redness): 12 people, 35.29%
Diarrhea: 11 people, 32.35%
Nausea (feeling of having an urge to vomit): 8 people, 23.53%
White Blood Cell Count Decreased: 7 people, 20.59%
Hypotension (abnormally low blood pressure): 7 people, 20.59%
High Blood Pressure: 6 people, 17.65%
Graft Versus Host Disease In Skin (the donated bone marrow or stem cells view the recipient's body as foreign, and the donated cells/bone marrow attack the skin): 6 people, 17.65%
Fatigue (feeling of tiredness): 6 people, 17.65%

What are the existing conditions these people have? *

Bone Marrow Conditioning Regimen: 14 people, 41.18%
Constipation: 8 people, 23.53%
Aplastic Anemia: 7 people, 20.59%
Oedema (fluid collection in tissue): 6 people, 17.65%
Groin Abscess (pus in groin): 5 people, 14.71%
Renal Impairment (severely reduced kidney function): 4 people, 11.76%
Allergies: 4 people, 11.76%
Graft Versus Host Disease (the donated bone marrow or stem cells view the recipient's body as foreign, and the donated cells/bone marrow attack the body): 3 people, 8.82%
Acute Myeloid Leukaemia Recurrent (acute cancer in which the bone marrow makes abnormal myeloblast- recurrent): 3 people, 8.82%
Anogenital Warts: 3 people, 8.82%

* Approximation only. Some reports may have incomplete information.

Do you take Sulfamethoprim and have Itching?

- Check whether Itching 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 Sulfamethoprim:

Sulfamethoprim (805 reports)

Itching treatments and more:

Itching (398,822 reports)

How severe was Itching and when was it recovered:

Itching in Sulfamethoprim

Expand to all the drugs that have ingredients of sulfamethoxazole; trimethoprim:

Itching and drugs with ingredients of sulfamethoxazole; trimethoprim (6,325 reports)

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 Sulfamethoprim:

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 Itching:

Itching (3,211 drugs)

Browse all the conditions that are associated with Itching:

Itching (4,536 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on sulfamethoxazole; trimethoprim (the active ingredients of Sulfamethoprim) and Sulfamethoprim (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.