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Azlocillin Side Effects

The most commonly reported side effects of azlocillin include diarrhoea, pyrexia, and pruritus, based on 18 FDA adverse event reports from 2008 to 2025.

Azlocillin side effects

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

1
Diarrhoea16.7%3
2
Pyrexia16.7%3
3
Pruritus16.7%3
4
Rash16.7%3
5
Erythema11.1%2
6
Off Label Use11.1%2
7
Acute Respiratory Failure5.6%1
8
Convulsion5.6%1
9
Muscle Spasms5.6%1
10
Depressed Mood5.6%1
11
Periorbital Oedema5.6%1
12
Fatigue5.6%1
13
Gastric Haemorrhage5.6%1
14
Respiratory Failure5.6%1
15
Bedridden5.6%1

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

Report severity

88.9%Serious16 reports
44.4%Hospitalizations8 reports
16.7%Fatal3 reports

Seriousness is determined by the reporter, not by OpenClaim.

Azlocillin drug interactions

Other drugs that appear in adverse event reports alongside azlocillin. 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
Ivacaftor11.1%2
2
Lumacaftor11.1%2
3
Metronidazole11.1%2
4
Doxazosin-mesylate5.6%1
5
Imatinib-mesylate5.6%1
6
Sodium-phenylbutyrate5.6%1
7
Diclofenac5.6%1
8
Valproate-sodium5.6%1
9
Lamotrigine5.6%1
10
Omeprazole5.6%1
11
Esomeprazole5.6%1
12
Fremanezumab-vfrm5.6%1
13
Atezolizumab5.6%1
14
Cyclosporine5.6%1
15
Acetaminophen5.6%1

Taken alongside

1
Ibuprofen22.2%4
2
Sodium-chloride22.2%4
3
Carbamazepine11.1%2
4
Gabapentin11.1%2
5
Lipase11.1%2
6
Pancrelipase-amylase11.1%2
7
Protease11.1%2
8
Albuterol11.1%2
9
Cefuroxime5.6%1
10
Levofloxacin5.6%1
11
Amoxicillin5.6%1
12
Sulfasalazine5.6%1
13
Oxcarbazepine5.6%1
14
Prednisolone5.6%1
15
Azithromycin5.6%1

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 azlocillin side effects

27.8% of azlocillin adverse event reports involve female patients and 66.7% involve male patients. The largest age group is adult at 63%. These figures reflect who reports side effects, not underlying risk.

Sex

Female27.8%
Male66.7%
Unknown5.6%

Age group

< 20.0%
2–116.3%
12–176.3%
18–6462.5%
65+25.0%

What is azlocillin used for

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

Antibiotic TherapyBronchitisChronic Obstructive Pulmonary DiseaseGingivitisInflammationProphylaxisPyrexiaPharyngitisPyrexia

Azlocillin brand names and reporting trend

Azlocillin is sold under the brand name Azlin.

Brand names

Azlin13

Quarterly reports (20082025)

20082025

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

Taking azlocillin with another medication?

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