Valacyclovir Flashcards

1
Q

What is the primary action of Valacyclovir?

A

Valacyclovir is an antiviral medication that inhibits viral DNA synthesis.

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2
Q

True or False: Valacyclovir is only effective against bacterial infections.

A

False

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3
Q

List one indication for the use of Valacyclovir.

A

Treatment of herpes simplex virus infections.

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4
Q

What is a common adverse effect of Valacyclovir?

A

Nausea

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5
Q

Fill in the blank: Valacyclovir is contraindicated in patients with a history of __________.

A

hypersensitivity to the drug

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6
Q

Which virus is Valacyclovir commonly used to treat?

A

Herpes simplex virus

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7
Q

True or False: Valacyclovir can be used to treat shingles.

A

True

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8
Q

What is the mechanism of action of Valacyclovir?

A

It is converted to acyclovir in the body, which then inhibits viral DNA polymerase.

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9
Q

Name one drug interaction that may occur with Valacyclovir.

A

Probenecid

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10
Q

Short answer: How is Valacyclovir administered?

A

Orally

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11
Q

What is the recommended dosage adjustment for Valacyclovir in patients with renal impairment?

A

Dosage should be reduced based on creatinine clearance.

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12
Q

Which condition is NOT treated by Valacyclovir?

A

Influenza

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13
Q

True or False: Valacyclovir can be used for the prevention of cytomegalovirus infection.

A

True

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14
Q

What is an important consideration when prescribing Valacyclovir to elderly patients?

A

Increased risk of renal impairment and potential for adverse effects.

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15
Q

Fill in the blank: Valacyclovir should be used with caution in patients with __________.

A

dehydration

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16
Q

What is the brand name for Valacyclovir?

17
Q

List one serious adverse effect of Valacyclovir.

A

Nephrotoxicity

18
Q

True or False: Valacyclovir is effective against all strains of the herpes virus.

19
Q

What should be monitored in patients receiving Valacyclovir?

A

Renal function

20
Q

Fill in the blank: Valacyclovir may cause __________ in patients with a history of kidney problems.

A

acute kidney injury

21
Q

What is the effect of food on the absorption of Valacyclovir?

A

Food does not significantly affect the absorption.

22
Q

True or False: Valacyclovir can be used during pregnancy.

A

Caution is advised; consult a healthcare provider.

23
Q

Name one pharmacokinetic property of Valacyclovir.

A

High bioavailability after oral administration.

24
Q

What is the primary route of elimination for Valacyclovir?

A

Renal excretion

25
Fill in the blank: Valacyclovir is classified as an __________ medication.
antiviral
26
What is the relationship between Valacyclovir and acyclovir?
Valacyclovir is a prodrug that converts to acyclovir in the body.