1,271 reports of this reaction
3.6% of all EXTENDED PHENYTOIN SODIUM reports
#3 most reported adverse reaction
DRUG INEFFECTIVE is the #3 most commonly reported adverse reaction for EXTENDED PHENYTOIN SODIUM, manufactured by Viatris Specialty LLC. There are 1,271 FDA adverse event reports linking EXTENDED PHENYTOIN SODIUM to DRUG INEFFECTIVE. This represents approximately 3.6% of all 34,830 adverse event reports for this drug.
Patients taking EXTENDED PHENYTOIN SODIUM who experience drug ineffective should discuss this symptom with their healthcare provider to determine whether it may be related to their medication and what alternatives may be available.
DRUG INEFFECTIVE is moderately reported among EXTENDED PHENYTOIN SODIUM users, representing a notable but not dominant share of adverse events.
In addition to drug ineffective, the following adverse reactions have been reported for EXTENDED PHENYTOIN SODIUM:
The following drugs have also been linked to drug ineffective in FDA adverse event reports:
DRUG INEFFECTIVE has been reported as an adverse event in 1,271 FDA reports for EXTENDED PHENYTOIN SODIUM. This does not prove causation, but indicates an association observed in post-market surveillance data.
DRUG INEFFECTIVE accounts for approximately 3.6% of all adverse event reports for EXTENDED PHENYTOIN SODIUM, making it one of the most commonly reported side effect.
If you experience drug ineffective while taking EXTENDED PHENYTOIN SODIUM, contact your healthcare provider. They can evaluate whether the symptom is related to your medication and discuss potential adjustments to your treatment plan. Do not stop taking prescribed medication without consulting your doctor.