776 reports of this reaction
2.1% of all THEOPHYLLINE ANHYDROUS reports
#8 most reported adverse reaction
DRUG INEFFECTIVE is the #8 most commonly reported adverse reaction for THEOPHYLLINE ANHYDROUS, manufactured by Westminster Pharmaceuticals, LLC. There are 776 FDA adverse event reports linking THEOPHYLLINE ANHYDROUS to DRUG INEFFECTIVE. This represents approximately 2.1% of all 36,206 adverse event reports for this drug.
Patients taking THEOPHYLLINE ANHYDROUS 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 a less commonly reported adverse event for THEOPHYLLINE ANHYDROUS, but still significant enough to appear in the safety profile.
In addition to drug ineffective, the following adverse reactions have been reported for THEOPHYLLINE ANHYDROUS:
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 776 FDA reports for THEOPHYLLINE ANHYDROUS. This does not prove causation, but indicates an association observed in post-market surveillance data.
DRUG INEFFECTIVE accounts for approximately 2.1% of all adverse event reports for THEOPHYLLINE ANHYDROUS, making it a notable side effect.
If you experience drug ineffective while taking THEOPHYLLINE ANHYDROUS, 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.