OpenClaim

Cefadroxil Side Effects

The most commonly reported side effects of cefadroxil include pain, drug hypersensitivity, and pneumonia, based on 2,348 FDA adverse event reports from 2004 to 2025. 3.7% of reports found the drug to be ineffective.

Cefadroxil side effects

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

1
Pain14.5%341
2
Drug Hypersensitivity13.9%326
3
Pneumonia11.6%272
4
Dyspnoea10.9%255
5
Vomiting10.9%255
6
Asthma10.3%241
7
Cough10.1%237
8
Malaise10.1%236
9
Chest Pain9.3%219
10
Oedema8.6%201
11
Nasal Oedema7.9%186
12
Wheezing7.8%184
13
Respiratory Tract Infection7.8%184
14
Chronic Kidney Disease6.0%140
15
Diarrhoea5.3%125

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

Report severity

78.3%Serious1,838 reports
35.5%Hospitalizations834 reports
6.9%Fatal163 reports

Seriousness is determined by the reporter, not by OpenClaim.

Cefadroxil drug interactions

Other drugs that appear in adverse event reports alongside cefadroxil. 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
Clonazepam9.5%224
2
Omalizumab9.5%224
3
Ciprofloxacin9.2%216
4
Moxifloxacin-hydrochloride9.0%212
5
Prednisone8.9%209
6
Aspirin8.5%199
7
Rituximab8.2%193
8
Risedronate-sodium8.1%191
9
Amlodipine8.1%190
10
Fluticasone8.0%189
11
Montelukast-sodium8.0%189
12
Rosuvastatin8.0%187
13
Salmeterol-xinafoate7.8%183
14
Beclomethasone7.8%182
15
Theophylline7.7%181

Taken alongside

1
Acetaminophen24.4%574
2
Aspirin14.0%329
3
Furosemide12.5%294
4
Prednisone12.2%286
5
Ergocalciferol12.1%285
6
Gabapentin10.7%252
7
Albuterol10.3%242
8
Atorvastatin-calcium9.8%231
9
Ibuprofen9.6%226
10
Tramadol-hydrochloride9.4%221
11
Metoprolol9.1%213
12
Omeprazole9.0%212
13
Amoxicillin8.8%207
14
Azithromycin8.8%207
15
Hydrocodone8.4%198

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 cefadroxil side effects

60.1% of cefadroxil adverse event reports involve female patients and 31.5% involve male patients. The largest age group is adult at 53%. These figures reflect who reports side effects, not underlying risk.

Sex

Female60.1%
Male31.5%
Unknown8.5%

Age group

< 20.3%
2–112.1%
12–171.2%
18–6452.9%
65+43.5%

What is cefadroxil used for

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

AbscessAcneAcne CysticAlopecia ScarringAnimal BiteAntibiotic ProphylaxisAntibiotic TherapyAntipyresisAppendicitis PerforatedArthritisArthritis BacterialArthritis InfectiveArthropod BiteAspiration JointAsthenia

Showing 15 of 220 indications

Cefadroxil brand names and reporting trend

Cefadroxil is sold under the brand name Duricef.

Brand names

Duricef31

Quarterly reports (20042025)

20052010201520202025

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

Taking cefadroxil with another medication?

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