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Table 7 Sample of erroneous answers discovered in databases

From: Ability of online drug databases to assist in clinical decision-making with infectious disease therapies

Category

Question

Correct answer used for assessment

Erroneous answer(s)

Database(s)

Dosing

What is the recommended dosing regimen for fosamprenavir in a protease inhibitor-experienced HIV+ patient who wants once daily dosing?

Once daily dosing is not recommended for this type of patient

• 700 mg by mouth once daily plus ritonavir 100 mg twice daily for PI experienced patients

• PPDC

Adverse Drug Reaction

Can ethionamide cause impotence?

Yes, but it is a rare ADR.

• Listed as a common reaction

• JHAG

Method of Administration

How do you administer Synagis?

Remove flip top from Synagis vial and wipe rubber stopper with a disinfectant (e.g., 70% isopropyl alcohol). Insert needle into vial, and withdraw into syringe an appropriate volume of solution. Administer immediately after drawing dose into syringe. Synagis is supplied as single-dose vial and does not contain preservatives. Do not re-enter vial after withdrawal of drug; discard unused portion. Only administer one dose per vial.

• Provides information about scheduling multiple patients for multiple injections from same vial to minimize waste

• CP

Indication

Should amantadine be given as prophylaxis against influenza A?

It should not be used in the 2007–2008 influenza season due to resistance.

• Provides pediatric dosing information for this indication

• Lists influenza A prophylaxis as an indication

• PPDC

• DM

• IDI

Drug-Food interaction

How should didanosine be taken in regards to food?

Didanosine should be taken on an empty stomach at least 30 minutes before or 2 hours after food. Do not take didanosine or didanosine EC with food.

• Provides contradictory information: States that didanosine can be taken with or without food in one sentence and the following statement states to take on an empty stomach 30 minutes before or 2 hours after food.

• EOF

• EOP

• DIO

  1. CP = Clinical Pharmacology; DIO = DIOne; DM = DailyMed; EOF = Epocrates Online Free; EOP = Epocrates Online Premium; IDI = Internet Drug Index; JHAG = Johns Hopkins ABX Guide; PPDC = PEPID PDC