Extended Phenytoin

Common brands: Dilantin, Keppra Xr, Keppra, Neurontin, Lamictal Xr

Top reporter: Viatris Specialty Llc

Benzodiazepine [EPC]Anti-epileptic Agent [EPC]Nonsteroidal Anti-inflammatory Drug [EPC]Mood Stabilizer [EPC]Corticosteroid [EPC]
16,602
Total Reports
2,386
Serious Reports
1,199
Death Reports
30
Reported Reactions
Death Report Ratio: High (7.22%)

Patient Demographics

Male
6,777
Female
8,622

Reported Adverse Reactions (30)

Side effects reported in FDA adverse event reports for Extended Phenytoin.

# Reaction Reports % of Total
1 CONVULSION 2,169
11.0%
2 SEIZURE 1,424
7.2%
3 DRUG INEFFECTIVE 1,280
6.5%
4 FALL 912
4.6%
5 DRUG HYPERSENSITIVITY 855
4.4%
6 DIZZINESS 850
4.3%
7 HEADACHE 828
4.2%
8 FATIGUE 807
4.1%
9 NAUSEA 705
3.6%
10 PAIN 579
2.9%
11 ASTHENIA 569
2.9%
12 RASH 554
2.8%
13 VOMITING 535
2.7%
14 WEIGHT DECREASED 511
2.6%
15 SOMNOLENCE 485
2.5%
16 DRUG INTERACTION 473
2.4%
17 CONFUSIONAL STATE 467
2.4%
18 GAIT DISTURBANCE 467
2.4%
19 STEVENS-JOHNSON SYNDROME 467
2.4%
20 MALAISE 462
2.4%
21 TREMOR 462
2.4%
22 OFF LABEL USE 448
2.3%
23 DEPRESSION 446
2.3%
24 DYSPNOEA 437
2.2%
25 FEELING ABNORMAL 437
2.2%
26 BALANCE DISORDER 418
2.1%
27 DIARRHOEA 415
2.1%
28 DEATH 410
2.1%
29 CONDITION AGGRAVATED 390
2.0%
30 ANXIETY 386
2.0%

Important Disclaimer

FDA adverse event reports are submitted voluntarily and do not prove causation. A reported reaction does not mean the drug caused it. Drugs with more users naturally have more reports. Always consult your doctor or pharmacist before making medication decisions.