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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.
Hepsera is a hepatitis B treatment medication used to slow the growth of the hep B virus so that there is less of it in the body to contribute to the infection. Adefovir Dipivoxil is a nucleotide analog reverse-transcriptase antiviral drug that blocks an enzyme the virus requires for reproduction, and use of it may improve the condition of the liver over time for patients taking Hespera as part of Hepatitis B management. You can buy Hepsera with a prescription here at Canpharm.
| Fact Table | |
|---|---|
| Formula | C20H32N5O8P |
| License | FDA approved |
| Bioavailability | ~59% (oral) |
| Legal status | Prescription Drug |
| Chemical Name | 9-[2-(bis(pivaloyloxymethoxy)phosphinylmethoxy)ethyl]adenine |
| Elimination half-life | ~7.5 hours |
| Dosage (Strength) | 10mg tablets |
| Pregnancy | Use with caution; consult doctor (Category C) |
| Brands | Hepsera |
| Protein binding | ~4% |
| PubChem CID | 104823 |
| MedlinePlus | a603008 |
| ChEBI | 491100 |
| ATC code | J05AF08 |
| DrugBank | DB00718 |
| KEGG | D00218 |
| Routes of administration | By mouth |
Dosage for this medication will depend on age, body weight, and extent of Hepatitis B infection along with any responses to existing treatment. Always take your medication exactly as indicated in your prescription.
The active ingredient in Hepsera is Adefovir Dipivoxil
Let your doctor know of any history of HIV infection, liver or kidney disease, or immune system disorders before starting on Hepsera 10mg
Women who are pregnant or breastfeeding should only use this medication if their doctor approves it
Store at room temperature between 68 to 77 degrees Fahrenheit
Be aware of medication expiry date
Negative drug interactions may occur between Hepsera and other Rx or OTC medications, including cobimetinib, entecavir, famotidine, ivabradine, lamivudine, pirfenidone, and telbivudine. Let your doctor know of all medications you are currently taking before getting a prescription and proceeding to buy Hepsera online.
Hepsera side effects may occur, and some users may experience weakness, headache, nausea, fever, cough, vomiting, or diarrhea. If side effects are seen you may want to discontinue use and meet with a doctor again to discuss hepatitis B treatment medication alternatives and a pharmacist for a lower Hespera cost.
What is Hepsera used for?
Hepsera (adefovir dipivoxil) is used to treat chronic hepatitis B infection by inhibiting the replication of the hepatitis B virus (HBV) in the body.
How does Hepsera work?
Hepsera works by blocking the action of an enzyme that the hepatitis B virus needs to replicate, thus reducing the amount of virus in the body and preventing liver damage.
How should Hepsera be taken?
Hepsera is typically taken orally once daily with or without food. The dosage depends on the severity of the hepatitis B infection and the patient’s medical history.
What are the side effects of Hepsera?
Common side effects include headache, nausea, abdominal pain, and fatigue. Serious side effects can include kidney problems, lactic acidosis, and liver issues.
How long does it take for Hepsera to work?
Hepsera may begin to lower viral load within a few weeks, but it can take several months for significant improvements in liver function.
Who should not take Hepsera?
Hepsera should not be used by individuals with a history of kidney disease or hypersensitivity to adefovir or any of the components in the medication.
Can Hepsera interact with other medications?
Yes, Hepsera can interact with other medications, especially those that affect kidney function or antiviral drugs. Always inform your doctor of all medications you are taking.
Can Hepsera cause kidney damage?
Yes, Hepsera can cause kidney toxicity, especially in patients with pre-existing kidney issues or those using other nephrotoxic medications. Kidney function should be monitored regularly during treatment.
How should Hepsera be stored?
Store Hepsera at room temperature, away from moisture and heat, and keep it out of reach of children.
Can I stop taking Hepsera suddenly?
Stopping Hepsera suddenly can lead to a flare-up of hepatitis B symptoms. It is important to consult your doctor before discontinuing the medication to manage the infection appropriately.
