Comparing Prednisone vs Valacyclovir
| Prednisone Remove Prednisone from your drug comparison | Valacyclovir Remove Valacyclovir from your drug comparison |
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| Prednisone Remove Prednisone from your drug comparison | Valacyclovir Remove Valacyclovir from your drug comparison |
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Prednisone effectively controls inflammation and an overactive immune system but may not be suitable for everybody. Long-term use is limited by potentially severe side effects such as adrenal... View more |
Valacyclovir is an antiviral prodrug that is rapidly converted into acyclovir in the body. It should be started at the first sign of genital herpes or cold sore symptoms but is not a cure for these... View more |
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Prescription only |
Prescription only |
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Ratings & Reviews |
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Drug Class |
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Side Effects |
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See the full prednisone side effects document. |
See the full valacyclovir side effects document. |
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Pricing and Coupons* Prices are without insurance |
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View all prednisone prices |
View all valacyclovir prices |
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Generic Availability |
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Yes (this medicine) |
Yes (this medicine) |
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Dosage Form(s) Available |
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Brand Names |
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| Rayos | Valtrex | ||||||||||||||||
Half LifeThe half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. |
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36 hours |
3.1 hours |
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CSA Schedule**View glossary of terms. |
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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Pregnancy Category |
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Category C
Risk cannot be ruled out
Excluding First Trimester
Category D
Positive evidence of risk
First Trimester See the full Pregnancy Warnings document. |
Category B
No proven risk in humans
See the full Pregnancy Warnings document. |
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Drug Interactions |
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A total of 517 drugs are known to interact with prednisone:
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A total of 60 drugs are known to interact with valacyclovir:
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Alcohol/Food/Lifestyle Interactions |
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No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
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Disease Interactions |
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First Approval Date |
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February 21, 1955 |
June 23, 1995 |
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WADA ClassView World Anti-Doping Agency classifications. |
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N/A |
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More Information |
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Patient resources |
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Professional Resources |
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Related Treatment Guide |
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** The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.