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Grepafloxacin Side Effects

The most commonly reported side effects of grepafloxacin include nausea, vomiting, and dizziness, based on 16 FDA adverse event reports from 2004 to 2025.

Grepafloxacin side effects

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

1
Nausea12.5%2
2
Vomiting12.5%2
3
Dizziness12.5%2
4
Oedema Peripheral12.5%2
5
Dizziness12.5%2
6
Subdural Haematoma12.5%2
7
Gastrointestinal Haemorrhage12.5%2
8
Haematemesis12.5%2
9
Dizziness Postural6.3%1
10
Fall6.3%1
11
Loss Of Consciousness6.3%1
12
Syncope6.3%1
13
Treatment Noncompliance6.3%1
14
Anxiety6.3%1
15
Hypotension6.3%1

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

Report severity

75.0%Serious12 reports
37.5%Hospitalizations6 reports
18.8%Fatal3 reports

Seriousness is determined by the reporter, not by OpenClaim.

Grepafloxacin drug interactions

Other drugs that appear in adverse event reports alongside grepafloxacin. 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
Losartan-potassium12.5%2
2
Furosemide12.5%2
3
Bosentan12.5%2
4
Doxazosin-mesylate6.3%1
5
Fentanyl6.3%1
6
Hydrochlorothiazide6.3%1
7
Pamidronate-disodium6.3%1
8
Atorvastatin-calcium6.3%1
9
Montelukast-sodium6.3%1
10
Ruxolitinib6.3%1
11
Rituximab6.3%1
12
Omeprazole6.3%1
13
Esomeprazole6.3%1
14
Rabeprazole-sodium6.3%1
15
Mycophenolate6.3%1

Taken alongside

1
Albuterol25.0%4
2
Metformin18.8%3
3
Cyanocobalamin18.8%3
4
Celecoxib12.5%2
5
Insulin12.5%2
6
Doxorubicin-hydrochloride12.5%2
7
Clarithromycin12.5%2
8
Enoxaparin-sodium12.5%2
9
Prednisone12.5%2
10
Hydrochlorothiazide12.5%2
11
Levothyroxine-sodium12.5%2
12
Tizanidine-hydrochloride6.3%1
13
Acetaminophen6.3%1
14
Levacetylleucine6.3%1
15
Clopidogrel-bisulfate6.3%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 grepafloxacin side effects

43.8% of grepafloxacin adverse event reports involve female patients and 56.3% involve male patients. The largest age group is elderly at 69%. These figures reflect who reports side effects, not underlying risk.

Sex

Female43.8%
Male56.3%
Unknown0.0%

Age group

< 20.0%
2–110.0%
12–170.0%
18–6430.8%
65+69.2%

What is grepafloxacin used for

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

Gastric DisorderHypertensionInfectionProduct Used For Unknown IndicationProduct Used For Unknown Indication

Grepafloxacin brand names and reporting trend

Grepafloxacin is sold under the brand name Raxar.

Brand names

Raxar7

Quarterly reports (20042025)

20042025

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

Taking grepafloxacin with another medication?

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