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Specific Medicines That Interfere With Terbinafine

Terbinafine Interactions Explained

The following sections explain in detail the potentially negative interactions that can occur when terbinafine is taken with any of the medications listed above.
 
Beta Blockers
Taking terbinafine with a beta blocker can increase the level of the beta blocker in your blood, thereby increasing your risk of side effects. Your healthcare provider may need to adjust your dose of the beta blocker to avoid an interaction with terbinafine.
 
Certain Antipsychotic Medications
Taking terbinafine with certain antipsychotic medications can increase the level of the antipsychotic medication in your blood, increasing your risk of side effects. Your healthcare provider may need to adjust your dose of the antipsychotic medication.
 
Certain Arrhythmia Medications
If terbinafine and certain arrhythmia medications are combined, this can increase the level of the arrhythmia medication in your blood, which can increase your risk of side effects. Your healthcare provider may need to adjust your dose of the arrhythmia medication to prevent this interaction.
 
Certain Attention Deficit Hyperactivity Disorder Medications
Taking terbinafine and certain ADHD medications together can increase the level of ADHD medication in your blood, thereby increasing your risk of side effects. To prevent this, your healthcare provider may need to adjust your dose of the ADHD medication.
 
Captopril
Combining terbinafine with captopril can increase the level of captopril in your blood, which can increase your risk of side effects. Your healthcare provider may need to adjust your dose of captopril to prevent this.
 
Cimetidine
Taking terbinafine with cimetidine can decrease the level of terbinafine in your blood, perhaps making it less effective. Your healthcare provider may need to adjust your dose of terbinafine if this occurs.

Terbinafine HCl

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