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Phenacemide Side Effects

The most commonly reported side effects of phenacemide include asthenia, complex partial seizures, and convulsion, based on 9 FDA adverse event reports from 2006 to 2025.

Phenacemide side effects

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

1
Asthenia22.2%2
2
Complex Partial Seizures22.2%2
3
Convulsion22.2%2
4
Diarrhoea22.2%2
5
Dyskinesia22.2%2
6
Epistaxis22.2%2
7
Fall22.2%2
8
Haemoptysis22.2%2
9
Hemiparesis22.2%2
10
Hepatic Enzyme Increased22.2%2
11
Hyperlipidaemia22.2%2
12
Hypokalaemia22.2%2
13
Hypomagnesaemia22.2%2
14
Lethargy22.2%2
15
Malnutrition22.2%2

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

Report severity

100.0%Serious9 reports
66.7%Hospitalizations6 reports
0.0%Fatal0 reports

Seriousness is determined by the reporter, not by OpenClaim.

Phenacemide drug interactions

Other drugs that appear in adverse event reports alongside phenacemide. 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
Gefitinib22.2%2
2
Sirolimus22.2%2
3
Primidone22.2%2
4
Amifampridine22.2%2
5
Phenytoin11.1%1
6
Clonazepam11.1%1
7
Trimethadione11.1%1
8
Valsartan11.1%1
9
Natalizumab11.1%1

Taken alongside

1
Promethazine-hydrochloride44.4%4
2
Ondansetron44.4%4
3
Levetiracetam33.3%3
4
Diazepam33.3%3
5
Hydrochlorothiazide22.2%2
6
Irbesartan22.2%2
7
Dexamethasone22.2%2
8
Famotidine22.2%2
9
Enoxaparin-sodium22.2%2
10
Pravastatin-sodium22.2%2
11
Levofloxacin22.2%2
12
Lorazepam22.2%2
13
Cyanocobalamin22.2%2
14
Cyclobenzaprine-hydrochloride22.2%2
15
Diphenhydramine22.2%2

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 phenacemide side effects

33.3% of phenacemide adverse event reports involve female patients and 33.3% involve male patients. The largest age group is adult at 75%. These figures reflect who reports side effects, not underlying risk.

Sex

Female33.3%
Male33.3%
Unknown33.3%

Age group

< 20.0%
2–110.0%
12–170.0%
18–6475.0%
65+25.0%

What is phenacemide used for

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

Blood Pressure AbnormalEpilepsyFoetal Exposure During PregnancyMaternal Exposure During PregnancyProduct Used For Unknown IndicationTremor

Phenacemide brand names and reporting trend

Phenacemide is sold under the brand name Phenurone.

Brand names

Phenurone11

Quarterly reports (20062025)

20062025

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

Taking phenacemide with another medication?

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