Interaction Checker

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HEP Drug Interaction Checker

Access our comprehensive, user-friendly, free drug interaction charts. Providing clinically useful, reliable, up-to date, evidence-based information

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Latest additions to the comedications list

Some new comedications have been added to the interaction charts and are listed below.

Elbasvir/Grazoprevir

Zepatier® (elbasvir/grazoprevir) has been approved by the FDA and is now available on the web, app and printable versions of the interacti...

Comedications – some new, some moved

The latest update to the comedication list has seen the addition of 14 new comedications and the movement of 9 existing comedications from...

New comedications

Sixteen new comedications have been added to the web, app and printable versions of the charts. The new drugs are listed below.

New anticonvulsants and other comedications

Six new comedications have been added to the anticonvulsant class of the interaction charts, along with 9 other comedications in various...

New cytotoxics and additional comedications

Seven new cytotoxic drugs have been added to the interaction charts, along with ten additional comedications. Details of the new additio...

Updated list of comedications

Approximately 80 new comedications have been added to all versions (web, app and printable) versions of the interaction charts. The new...

European product labels for OBV/PTV/r + DSV

The web, app and printed charts have been updated to include recommendations from the European product labels for ombitasvir/paritaprevi...

Ombitasvir, Paritaprevir and Ritonavir

Viekirax® (ombitasvir, paritaprevir and ritonavir) has been approved by the EMA and has now been added to the web and app versions of th...

Ombitasvir, Paritaprevir, Ritonavir + Dasabuvir

Viekira Pak® (ombitasvir, paritaprevir and ritonavir tablets co-packaged with dasabuvir tablets) has been approved by the FDA and has no...

Ledipasvir/Sofosbuvir

Harvoni®, a fixed-dose combination of ledipasvir (an HCV NS5A inhibitor) and sofosbuvir (an HCV nucleotide analog NS5B polymerase inhibito...

Daclatasvir

Daclatasvir (Daklinza®), a directly acting antiviral for HCV, has been added to the interactions charts.  Interactions between daclat...

New Comedications

Twenty four new comedications have been added to the web, app and printable versions of the interaction charts. The new additions are show...

Simeprevir

Simeprevir, a directly acting antiviral for HCV, has been added to the interactions charts.  Interactions between simeprevir and come...

Sofosbuvir

Sofosbuvir, the recently approved directly acting antiviral for HCV, has been added to the interactions charts.  Interactions between...

Discover Our HEP Mobile Apps

HEP iChart gives easy access to our drug interaction information on mobile devices. Click the links below for further details and to download the HEP iChart app.

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