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Generic Zovirax Availability

Zovirax is a brand name of acyclovir, approved by the FDA in the following formulation(s):

ZOVIRAX (acyclovir - capsule; oral)

ZOVIRAX (acyclovir - suspension; oral)

ZOVIRAX (acyclovir - tablet; oral)

Has a generic version of Zovirax been approved?

Yes. The following products are equivalent to Zovirax:

acyclovir capsule; oral

  • Manufacturer: APOTEX INC
    Approval date: September 28, 2005
    Strength(s): 200MG [AB]
  • Manufacturer: DAVA PHARMS INC
    Approval date: April 22, 1997
    Strength(s): 200MG [AB]
  • Manufacturer: MYLAN
    Approval date: April 22, 1997
    Strength(s): 200MG [AB]
  • Manufacturer: MYLAN
    Approval date: April 13, 1998
    Strength(s): 200MG [AB]
  • Manufacturer: RANBAXY
    Approval date: September 30, 1998
    Strength(s): 200MG [AB]
  • Manufacturer: STASON
    Approval date: January 26, 1999
    Strength(s): 200MG [AB]
  • Manufacturer: TEVA
    Approval date: April 22, 1997
    Strength(s): 200MG [AB]
  • Manufacturer: WATSON LABS
    Approval date: April 15, 1998
    Strength(s): 200MG [AB]

acyclovir suspension; oral

  • Manufacturer: ACTAVIS MID ATLANTIC
    Approval date: April 28, 1997
    Strength(s): 200MG/5ML [AB]
  • Manufacturer: HI TECH PHARMA
    Approval date: June 7, 2005
    Strength(s): 200MG/5ML [AB]

acyclovir tablet; oral

  • Manufacturer: APOTEX INC
    Approval date: September 29, 2005
    Strength(s): 400MG [AB], 800MG [AB]
  • Manufacturer: CARLSBAD
    Approval date: April 30, 1999
    Strength(s): 400MG [AB], 800MG [AB]
  • Manufacturer: DAVA PHARMS INC
    Approval date: November 19, 1997
    Strength(s): 400MG [AB], 800MG [AB]
  • Manufacturer: MYLAN
    Approval date: April 13, 1998
    Strength(s): 400MG [AB], 800MG [AB]
  • Manufacturer: MYLAN
    Approval date: September 28, 1998
    Strength(s): 400MG [AB], 800MG [AB]
  • Manufacturer: RANBAXY
    Approval date: September 30, 1998
    Strength(s): 400MG [AB], 800MG [AB]
  • Manufacturer: TEVA
    Approval date: April 22, 1997
    Strength(s): 400MG [AB], 800MG [AB]

Note: Fraudulent online pharmacies may attempt to sell an illegal generic version of Zovirax. These medications may be counterfeit and potentially unsafe. If you purchase medications online, be sure you are buying from a reputable and valid online pharmacy. Ask your health care provider for advice if you are unsure about the online purchase of any medication.

See also: About generic drugs.

Related Patents

There are no current U.S. patents associated with Zovirax.

See also...

Glossary

TermDefinition
Drug PatentA drug patent is assigned by the U.S. Patent and Trademark Office and assigns exclusive legal right to the patent holder to protect the proprietary chemical formulation. The patent assigns exclusive legal right to the inventor or patent holder, and may include entities such as the drug brand name, trademark, product dosage form, ingredient formulation, or manufacturing process A patent usually expires 20 years from the date of filing, but can be variable based on many factors, including development of new formulations of the original chemical, and patent infringement litigation.
Drug ExclusivityExclusivity is the sole marketing rights granted by the FDA to a manufacturer upon the approval of a drug and may run simultaneously with a patent. Exclusivity periods can run from 180 days to seven years depending upon the circumstance of the exclusivity grant.
RLDA Reference Listed Drug (RLD) is an approved drug product to which new generic versions are compared to show that they are bioequivalent. A drug company seeking approval to market a generic equivalent must refer to the Reference Listed Drug in its Abbreviated New Drug Application (ANDA). By designating a single reference listed drug as the standard to which all generic versions must be shown to be bioequivalent, FDA hopes to avoid possible significant variations among generic drugs and their brand name counterpart.
ABProducts meeting necessary bioequivalence requirements. Multisource drug products listed under the same heading (i.e., identical active ingredients(s), dosage form, and route(s) of administration) and having the same strength (see Therapeutic Equivalence-Related Terms, Pharmaceutical Equivalents) generally will be coded AB if a study is submitted demonstrating bioequivalence. In certain instances, a number is added to the end of the AB code to make a three character code (i.e., AB1, AB2, AB3, etc.). Three-character codes are assigned only in situations when more than one reference listed drug of the same strength has been designated under the same heading. Two or more reference listed drugs are generally selected only when there are at least two potential reference drug products which are not bioequivalent to each other. If a study is submitted that demonstrates bioequivalence to a specific listed drug product, the generic product will be given the same three-character code as the reference listed drug it was compared against.
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