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Sulfamethazine) Side Effects

The most commonly reported side effects of sulfamethazine) include diarrhoea, rash, and death, based on 143 FDA adverse event reports from 2004 to 2025. 7.7% of reports found the drug to be ineffective.

Sulfamethazine) side effects

Percentages show how often each reaction appears relative to total reports for sulfamethazine).

1
Drug Ineffective7.7%11
2
Diarrhoea6.3%9
3
Rash5.6%8
4
Death5.6%8
5
Product Dose Omission Issue4.9%7
6
Pain4.2%6
7
Pneumonia3.5%5
8
Dyspnoea3.5%5
9
Renal Failure3.5%5
10
Off Label Use3.5%5
11
Dehydration3.5%5
12
Asthenia3.5%5
13
Fatigue3.5%5
14
Influenza2.8%4
15
Gait Disturbance2.8%4

These are voluntary reports and do not establish that sulfamethazine) caused these reactions.

Report severity

65.0%Serious93 reports
39.9%Hospitalizations57 reports
10.5%Fatal15 reports

Seriousness is determined by the reporter, not by OpenClaim.

Sulfamethazine) drug interactions

Other drugs that appear in adverse event reports alongside sulfamethazine). Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.

Also suspected

1
Lenalidomide14.0%20
2
Pomalidomide8.4%12
3
Adalimumab5.6%8
4
Etanercept5.6%8
5
Ibrutinib4.9%7
6
Ponatinib-hydrochloride4.2%6
7
Tofacitinib3.5%5
8
Rituximab2.8%4
9
Sulfamerazine2.1%3
10
Ethinyl-estradiol2.1%3
11
Drospirenone2.1%3
12
Dexamethasone2.1%3
13
Tacrolimus2.1%3
14
Methotrexate2.1%3
15
Abatacept2.1%3

Taken alongside

1
Acyclovir29.4%42
2
Aspirin22.4%32
3
Dexamethasone19.6%28
4
Prednisone16.8%24
5
Ergocalciferol16.8%24
6
Metoprolol15.4%22
7
Metformin15.4%22
8
Lisinopril14.0%20
9
Sulfamerazine13.3%19
10
Trisulfapyrimidines-sulfadiazine12.6%18
11
Allopurinol12.6%18
12
Calcium12.6%18
13
Amlodipine12.6%18
14
Acetaminophen12.6%18
15
Gabapentin12.6%18

Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.

Who reports sulfamethazine) side effects

54.5% of sulfamethazine) adverse event reports involve female patients and 37.1% involve male patients. The largest age group is elderly at 56%. These figures reflect who reports side effects, not underlying risk.

Sex

Female54.5%
Male37.1%
Unknown8.4%

Age group

< 20.0%
2–111.4%
12–170.0%
18–6443.1%
65+55.6%

What is sulfamethazine) used for

Conditions and purposes for which patients were taking sulfamethazine) when the adverse event was reported.

Ankylosing SpondylitisAnkylosing SpondylitisAntibiotic TherapyBronchitisCellulitisDrug Use For Unknown IndicationHiv InfectionHypertensionHypersensitivityHypertensionImmunosuppressant Drug TherapyInfectionMultiple MyelomaProduct Used For Unknown IndicationProphylaxis

Showing 15 of 20 indications

Sulfamethazine) brand names and reporting trend

Sulfamethazine) is sold under the brand name Lantrisul.

Brand names

Lantrisul128

Quarterly reports (20042025)

20052010201520202025

An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.

Taking sulfamethazine) with another medication?

Ask OpenClaim about your specific drug combination. Get a sourced report using FDA data, drug labels, and medical literature.