Top brand choice
Strength | Pack Size | Qty | |
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Strength
500mg
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Strength
125mg
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Strength
250mg
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We guarantee the lowest price on all of our prescription products. If you find your medications cheaper at any other recognized licensed mail order pharmacy, we will not only match their price, we will beat it by 25% of the difference. It is our 125% price match guarantee!
Example: If you find a product on Canada Drugs Direct for $50.00 and find the same product for $40.00 at another mail order pharmacy, we will provide you with a $12.50 discount, bringing your total to $37.50.
To get the discount please make sure to mention the price match to the customer service team when they call to collect payment for your order. Or call toll free at 1-888-904-8467 to place the order through the phone.
Terms & Conditions of Program
A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.
The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.
Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.
Your healthcare provider may have prescribed Famvir for the treatment of one or more of the following:
Famvir is available by prescription only. It belongs to the class of medications called antivirals and slows or stops the replication of certain viruses.
Famvir works by converting to the active form penciclovir once it has entered the body. The herpes virus uses the protein HSV-2 polymerase to replicate its genetic material for incorporation into host cells. Penciclovir incorporates into HSV-2 polymerase and prevents it from working.
Fact Table | |
Formula |
C14H19N5O4 |
License |
US FDA |
Bioavailability |
75β77% |
Legal status |
Rx-only |
Chemical Name |
Famciclovir |
Elimination half-life |
2β2.3 hours |
Dosage (Strength) |
125mg, 250mg, 500mg |
Pregnancy |
Consult Doctor |
Brands |
Famvir |
Protein binding |
20β25% |
PubChem CID |
3324 |
MedlinePlus |
a694038 |
ChEBI |
4974 |
ATC code |
J05AB09 |
DrugBank |
DB00426 |
KEGG |
D00317 |
Routes of administration |
Oral |
The dosage of Famvir is determined based on the virus and the location of the infection. Take it exactly as prescribed by your doctor. Take Famvir with a full glass of water. It can be taken with or without food.
The active ingredient in Famvir is famciclovir.
There are only a few drug-drug interactions with Famvir, and they include the following:
Tell your healthcare provider if you have a history of kidney problems. Since Famvir is removed through the kidneys, the dose may need to be adjusted.
Tell your doctor and pharmacist if you are lactose intolerant. Famvir tablets contain lactose.
The most common adverse reactions to this medication include:
Famvir [package insert]. East Hanover, NJ: Novartis Pharmaceuticals Corp.; 2006.