Interaction Checker

HEP iChart app users - please update to the newest version to ensure up-to-date information

HEP Drug Interaction Checker

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

Start Now

Site News & Twitter Updates

New comedications and new therapeutic classes

There have been some additions to the list of comedications and therapeutic classes – 38 new comedications have been added and two new the...

Interactions and Hepatic Impairment

We have reviewed all interactions which mentioned a dose modification was required in hepatic impairment. These interactions were previous...

Velpatasvir/Sofosbuvir

Epclusa® (velpatasvir/sofosbuvir) has been approved by the FDA and EMA. Interactions with velpatasvir/sofosbuvir are now available on the ...

New HIV combinations added as comedications

Three new HIV antiretroviral fixed-dose combinations have been added to the interaction charts. The new comedications are:

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...

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.

Hep home devices 92b7ff228596354505cae0b0e180329ff590c53a6714632d94745d9bec655d11
SPONSORS
Sponsor logo janssen Sponsor logo gilead Sponsor logo msd Sponsor logo bristol myers squibb Sponsor logo abbvie
EDITORIAL SPONSORS
Easl logo 2015