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Metharbital Side Effects

The most commonly reported side effects of metharbital include complex regional pain syndrome, musculoskeletal pain, and oedema peripheral, based on 2 FDA adverse event reports from 2009 to 2015. 50.0% of reports found the drug to be ineffective.

Metharbital side effects

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

1
Complex Regional Pain Syndrome50.0%1
2
Drug Ineffective50.0%1
3
Musculoskeletal Pain50.0%1
4
Oedema Peripheral50.0%1
5
Pain In Extremity50.0%1
6
Haematoma50.0%1
7
Maternal Exposure Timing Unspecified50.0%1
8
Peritoneal Haemorrhage50.0%1
9
Subdural Haemorrhage50.0%1

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

Report severity

100.0%Serious2 reports
50.0%Hospitalizations1 reports
50.0%Fatal1 reports

Seriousness is determined by the reporter, not by OpenClaim.

Metharbital drug interactions

Other drugs that appear in adverse event reports alongside metharbital. 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
Carbamazepine50.0%1
2
Valproic-acid50.0%1
3
Mephenytoin50.0%1
4
Methsuximide50.0%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 metharbital side effects

0.0% of metharbital adverse event reports involve female patients and 100.0% involve male patients. The largest age group is neonate at 50%. These figures reflect who reports side effects, not underlying risk.

Sex

Female0.0%
Male100.0%
Unknown0.0%

Age group

< 250.0%
2–110.0%
12–170.0%
18–6450.0%
65+0.0%

What is metharbital used for

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

EpilepsyPetit Mal Epilepsy

Metharbital brand names and reporting trend

Metharbital is sold under the brand name Gemonil.

Brand names

Gemonil1

Quarterly reports (20092015)

20092015

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

Taking metharbital with another medication?

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