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Sulfadiazine Side Effects

The most commonly reported side effects of sulfadiazine include drug hypersensitivity, dyspnoea, and condition aggravated, based on 1,934 FDA adverse event reports from 2004 to 2025. 5.9% of reports found the drug to be ineffective.

Sulfadiazine side effects

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

1
Drug Hypersensitivity12.6%244
2
Dyspnoea7.9%152
3
Condition Aggravated7.8%150
4
Off Label Use7.4%143
5
Pain In Extremity6.6%128
6
Anxiety6.2%120
7
Therapeutic Product Effect Incomplete6.0%117
8
Drug Ineffective5.9%115
9
Vomiting5.8%113
10
Neurological Symptom5.7%110
11
Asthma5.7%110
12
Lung Disorder5.7%110
13
Haemoptysis5.6%109
14
Pulmonary Fibrosis5.6%108
15
Nausea5.5%107

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

Report severity

75.4%Serious1,458 reports
39.2%Hospitalizations759 reports
13.7%Fatal265 reports

Seriousness is determined by the reporter, not by OpenClaim.

Sulfadiazine drug interactions

Other drugs that appear in adverse event reports alongside sulfadiazine. 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
Pyrimethamine18.9%365
2
Prednisone14.2%275
3
Trimethoprim10.3%199
4
Pantoprazole-sodium10.2%197
5
Furosemide9.6%186
6
Sulfamethoxazole9.5%184
7
Azithromycin8.9%172
8
Azathioprine8.3%161
9
Omeprazole8.1%156
10
Albuterol7.9%153
11
Ergocalciferol7.9%152
12
Hydrochlorothiazide7.4%144
13
Alendronate-sodium7.4%144
14
Penicillin7.3%141
15
Insulin7.2%140

Taken alongside

1
Prednisone10.1%195
2
Aspirin9.5%183
3
Acetaminophen9.2%178
4
Pyrimethamine8.7%168
5
Levothyroxine-sodium7.5%145
6
Sulfamethoxazole7.1%138
7
Furosemide6.9%134
8
Levoleucovorin6.9%134
9
Ergocalciferol6.9%134
10
Penicillin6.6%128
11
Trimethoprim6.6%127
12
Lisinopril6.5%125
13
Sulfamerazine6.4%124
14
Pantoprazole-sodium6.4%124
15
Rosuvastatin6.2%120

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 sulfadiazine side effects

50.2% of sulfadiazine adverse event reports involve female patients and 41.7% involve male patients. The largest age group is adult at 63%. These figures reflect who reports side effects, not underlying risk.

Sex

Female50.2%
Male41.7%
Unknown8.1%

Age group

< 21.8%
2–112.3%
12–172.0%
18–6463.2%
65+30.7%

What is sulfadiazine used for

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

Acanthamoeba InfectionAcquired Immunodeficiency SyndromeAnkylosing SpondylitisAntibiotic ProphylaxisAntifungal ProphylaxisArthralgiaArthritisAcanthamoeba InfectionAcanthamoeba KeratitisAcquired Immunodeficiency SyndromeAnalgesic TherapyAnkylosing SpondylitisAntibiotic TherapyAnxietyBalamuthia Infection

Showing 15 of 137 indications

Sulfadiazine brand names and reporting trend

Sulfadiazine is sold under brand names including Sulfonamides Duplex, Sulfadiazine Sodium.

Brand names

Sulfonamides Duplex2,005
Sulfadiazine Sodium9

Quarterly reports (20042025)

20052010201520202025

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

Taking sulfadiazine with another medication?

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