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Tinidazole Side Effects

The most commonly reported side effects of tinidazole include nausea, pruritus, and headache, based on 462 FDA adverse event reports from 2005 to 2025. 6.7% of reports found the drug to be ineffective.

Tinidazole side effects

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

1
Nausea6.9%32
2
Drug Ineffective6.7%31
3
Pruritus6.3%29
4
Headache5.8%27
5
Diarrhoea5.6%26
6
Off Label Use5.2%24
7
Fatigue4.5%21
8
Vomiting4.5%21
9
Dyspnoea4.3%20
10
Dizziness4.1%19
11
Rash4.1%19
12
Anxiety3.9%18
13
Asthenia3.7%17
14
Pyrexia3.5%16
15
Toxicity To Various Agents3.5%16

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

Report severity

72.1%Serious333 reports
28.1%Hospitalizations130 reports
4.3%Fatal20 reports

Seriousness is determined by the reporter, not by OpenClaim.

Tinidazole drug interactions

Other drugs that appear in adverse event reports alongside tinidazole. 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
Ciprofloxacin9.5%44
2
Metronidazole9.5%44
3
Clarithromycin7.8%36
4
Sodium-oxybate7.8%36
5
Amoxicillin6.9%32
6
Fluconazole4.3%20
7
Azithromycin3.5%16
8
Ethinyl-estradiol3.2%15
9
Ceftriaxone-sodium3.0%14
10
Drospirenone2.6%12
11
Esomeprazole2.6%12
12
Moxifloxacin-hydrochloride2.6%12
13
Levofloxacin2.6%12
14
Bismuth2.6%12
15
Dupilumab2.6%12

Taken alongside

1
Acetaminophen14.1%65
2
Fluconazole9.7%45
3
Ergocalciferol9.7%45
4
Ciprofloxacin8.2%38
5
Doxycycline6.9%32
6
Amoxicillin6.9%32
7
Omeprazole6.7%31
8
Oxycodone6.7%31
9
Metronidazole6.3%29
10
Tramadol-hydrochloride6.1%28
11
Azithromycin5.8%27
12
Levothyroxine-sodium5.8%27
13
Ibuprofen5.8%27
14
Alprazolam5.4%25
15
Clindamycin5.4%25

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 tinidazole side effects

64.7% of tinidazole adverse event reports involve female patients and 27.5% involve male patients. The largest age group is adult at 83%. These figures reflect who reports side effects, not underlying risk.

Sex

Female64.7%
Male27.5%
Unknown7.8%

Age group

< 20.0%
2–110.3%
12–170.6%
18–6483.5%
65+15.6%

What is tinidazole used for

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

AmoebiasisAnti-infective TherapyAntibiotic TherapyAntifungal TreatmentArthritisArthropod-borne DiseaseAsthmaAbdominal DiscomfortAbdominal PainAmoebiasisAnti-infective TherapyAnticoagulant TherapyArthropod BiteAutism Spectrum DisorderAutoimmune Thyroiditis

Showing 15 of 104 indications

Tinidazole brand names and reporting trend

Tinidazole is sold under the brand name Tindamax.

Brand names

Tindamax464

Quarterly reports (20052025)

2005201520202025

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

Taking tinidazole with another medication?

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