What is FreeRx

FreeRx electronic prescribing is the result of FreeHealth electronic prescribing plugin built into a standalone application. FreeRx is a multi-platform (MacOS X, Linux, Windows), free and open source released under the GPLv3 license.

It is mainly developed by medical doctors and is intended for use by these same professionals. It can be used alone to prescribe and / or test drug interactions within a prescription. It can be linked to any application thanks to its command line parameters.

FreeRx can manage multiple drugs databases. Some drugs databases are already available:

French (sources: AFSSAPS)
Canadian (sources: HCDPD)
USA (sources: FDA)
South African (sources: AEPI)

The interactions database (source: AFSSAPS) give access to many informations:

interactions by themselves
risk level
nature of the risk
management of the interaction

What does FreeRx stand for?

Free electronic prescribing.

What FreeRx can do for you?

Here are some of its features:

Use in standalone mode or connected to a compatible manager of electronic medical records (EMR) (eg GNUmed)
Full access to marketed pharmaceutical drugs: France, United States of America, Canada
Access to the majority of pharmaceutical drugs: South Africa
Ability to add your own drugs database
Databases are compatible with the ATC classification
Full Internationalization of the interface. Available Languages: French, English (German in progress).

Assisted search of drugs by their name, their molecular composition or INN
Can be used to prescribe or only to test the interactions
Prescriptions can be made with trade names or INN for the majority of therapeutic

Drug interactions checking in real time
With option to configure dynamic blocking alerts
Information about the interactions available:
- The interacting INN or interacting INN classes
- The level of risk
- The nature of risk
- The management of the interaction
- In French and English

When FreeRx is connected to a compatible EHR:
- Management of the patient's pharmacological allergies
- Management of the patient's pharmacological intolerances
- Management of physiological contra-indications (renal failure, pregnancy, lactation) (under development)
- Prescription is sent back and recorded in the EHR

Creating reusable therapeutic protocols (a protocol concern only one drug) to accelerate the prescriptions
Creating reusable templates limitation (a model corresponds to a complex prescription and can contain multiple drugs)
Ability to define the “posologic sentence” (the phrase which appears in the prescription, eg: Take 1 tablet daily for one month …)
Ability to share your personal protocols and models with other users FreeRx (under development)

High quality printing
Headers, footers and watermarks fully customizable
Printing two sheets per page natively (no printer driver configuration required)

Backup and restore your personal data automatically

Data sources

Drug-drug Interactions data sources

Thésaurus des interactions médicamenteuses.
AFSSAPS, France. Accessed [19 Sept 2011].
Drug Interactions: Cytochrome P450 Drug Interaction Table.
Flockhart DA. Indiana University School of Medicine (2007). Accessed [Dec 2010].
P-glycoprotein Table - the Effect of Drugs and Foods.
Oesterheld Jessica.

Potentially inappropriate medications data sources

Updating the Beers criteria for potentially inappropriate medication use in older adults: results of a US consensus panel of experts.
Fick DM, Cooper JW, Wade WE, Waller JL, Maclean JR, Beers MH
Arch Intern Med163p2716-24(2003 Dec 8-22)
Potentially inappropriate medications in the elderly: the PRISCUS list.
Holt S, Schmiedl S, Thürmann PA
Dtsch Arztebl Int107p543-51(2010 Aug)
[Potentially inappropriate medications in the elderly: a list adapted to French medical practice].
Laroche ML, Bouthier F, Merle L, Charmes JP
Rev Med Interne30p592-601(2009 Jul)
Defining inappropriate practices in prescribing for elderly people: a national consensus panel.
McLeod PJ, Huang AR, Tamblyn RM, Gayton DC
CMAJ156p385-91(1997 Feb 1)

drug-drug interaction testing results

Drug-Drug interaction testing results / Résultats des tests d'interaction médicament-médicament

Please feel free to add your testing results in this page.

Terminology

FD: FreeDiams
FMF: FreeMedForms
OR: OpenReact
NA: Non available

Instructions to authors

Start a block of DDI by noticing the pubmed link (you can use the pubmed plugin)

{{pubmed>short:##pmid##}}

Please use this table to populate this page

^ Drug1 / Médicament1  ^ Drug2 / Médicament2  ^ Base  ^ FD0.5.4 ^ FD0.6.0 ^ FMF0.5.0 ^ OR0.1.0 ^
|                      |                      |  Fr   |         |         |          |         |
| :::                  | :::                  |  US   |         |         |          |         |
| :::                  | :::                  |  Ca   |         |         |          |         |
| :::                  | :::                  |  Za   |         |         |          |         |
| :::                  | :::                  |  Be   | NA      |         |          |         |
| :::                  | :::                  |  Pt   | NA      |         |          |         |

When you test a specific drug couple please use the ((...)) tag like this:

^ FD0.5.4 ^
| Ok((drugBrandName1 / drugBrandName2)) |

Results / Résultats

Magro Let al.Eur J Clin Pharmacol64p303-9(2008 Mar)

Drug1 / Médicament1	Drug2 / Médicament2	Base	FD0.5.4
Digoxine	Furosemide or thiazide diuretics	Fr
		US
		Ca
		Za
		Be	NA
		Pt	NA
Potassium-sparing diuretics	ACE-inhibitors, angiotensin II-receptor antagonists, or potassium preparations	Fr
		US
		Ca
		Za
		Be	NA
		Pt	NA
Digoxin	Amiodarone, verapamil, propafenone, clarithromycin, doxycycline, or quinidine	Fr
		US
		Ca
		Za
		Be	NA
		Pt	NA
Warfarin	Amiodarone, cotrimoxazole, sulfinpyrazone, macrolide antibiotics, fibric acids, azole antifungal agents, or metronidazole	Fr
		US
		Ca
		Za
		Be	NA
		Pt	NA
HMG-CoA reductase inhibitors	Macrolide antibiotics), cyclosporine, or gemfibrozil	Fr
		US
		Ca
		Za
		Be	NA
		Pt	NA
Quinolones	Antiarrhythmic agents, tricyclic antidepressants, or phenotiazines	Fr
		US
		Ca
		Za
		Be	NA
		Pt	NA
Methotrexate	NSAIDS, sulfasalazine, or amoxicillin	Fr
		US
		Ca
		Za
		Be	NA
		Pt	NA
Clonidine	Beta-blockers or amitriptyline	Fr
		US
		Ca
		Za
		Be	NA
		Pt	NA
SSRI	Risperidone or selective 5-HT1-receptor agonists	Fr
		US
		Ca
		Za
		Be	NA
		Pt	NA
Beta blockers	Verapamil	Fr	Ok¹⁾²⁾
		US
		Ca
		Za
		Be	NA
		Pt	NA
Ketorolac	Acetylsalicylic acid	Fr	No
		US
		Ca
		Za
		Be	NA
		Pt	NA
Aminoglycosides	Furosemide	Fr	Ok³⁾ ⁴⁾
		US
		Ca
		Za
		Be	NA
		Pt	NA

2014/03/17 12:25

freerx, erx, usermanual, updated

DDI testing results

drug-drug interactions

User’s manual

User’s manual is available:

FreeRx tutorials

RSS Feed

For a better understanding of the posologic sentence

2014/03/17 12:25

¹⁾

ATENOLOL 50mg cp, VERAPAMIL 240mg cp – Discouraged

²⁾

ISOPTINE 120 mg gél, SECTRAL * – Discouraged

³⁾

GENTALLINE *, FUROSEMIDE * - Precaution for use

⁴⁾

AMIKLIN *, FUROSEMIDE * - Precaution for use

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Table of Contents

What is FreeRx

What does FreeRx stand for?

What FreeRx can do for you?

Data sources

Drug-drug Interactions data sources

Potentially inappropriate medications data sources

drug-drug interaction testing results

Drug-Drug interaction testing results / Résultats des tests d'interaction médicament-médicament

Terminology

Instructions to authors

Results / Résultats

DDI testing results

User’s manual

FreeRx tutorials

FreeHealth.io

User Tools

Site Tools

Sidebar

Table of Contents

What is FreeRx

What does FreeRx stand for?

What FreeRx can do for you?

Data sources

Drug-drug Interactions data sources

Potentially inappropriate medications data sources

drug-drug interaction testing results

Drug-Drug interaction testing results / Résultats des tests d'interaction médicament-médicament

Terminology

Instructions to authors

Results / Résultats

DDI testing results

User’s manual

FreeRx tutorials

Page Tools