Adfovir Tablet 10 mg Introduction
Adfovir Tablet 10 mg (trade name: Hepsera) is an antiviral medication used for the treatment of chronic hepatitis B virus (HBV) infection. Adfovir Tablet 10 mg exerts its anti-viral activity by inhibiting the viral DNA-dependent DNA polymerase, and thus preventing further replication of the virus. Adfovir Tablet 10 mg was approved in the U.S. in 2002 by the U.S. Food and Drug Administration (FDA).
Uses For
Adfovir Tablet 10 mg is used for the treatment of chronic hepatitis B virus (HBV) infection, including individuals with evidence of active viral replication and a history of frequent clinical or laboratory flare-ups. Adfovir Tablet 10 mg is also used in patients who have developed resistance to previous treatment with lamivudine (Epivir) and/or other antiviral agents.
Mechanism Of Action
Adfovir Tablet 10 mg exerts its anti-viral activity by inhibiting the viral DNA-dependent DNA polymerase, and thus preventing further replication of the virus. Adfovir Tablet 10 mg also has a secondary effect of increasing synthesis of adenosine triphosphate (ATP), which interferes with viral replication and transcription.
How Long Does It Take To Work
The duration of treatment depends on how quickly the patient responds to the drug. Generally, it takes one to two weeks to achieve a clinical response and up to several months to eliminate the virus completely. Therefore, follow up visits with a doctor are important to monitor progress and ensure adherence to the prescribed treatment.
Absorption
Adfovir Tablet 10 mg is rapidly and extensively absorbed from the gastrointestinal tract. Its bioavailability is approximately 90% with peak plasma concentrations occurring within one to two hours.
Route Of Elimination
Adfovir Tablet 10 mg is primarily eliminated through the kidneys by glomerular filtration and tubular secretion. Approximately 11% of the applied dose is excreted unchanged from the kidneys into the urine.
Dosage
The recommended dose of Adefovir in chronic hepatitis B patients with adequate renal function is 10 mg, once daily, taken orally, without regard to food.
Adfovir Tablet 10 mg is available in 10mg tablets.
The recommended dosage range for adults is 10 to 50mg a day, taken once a day.
The recommended dosage range for children over 12 years of age is 10 to 40mg a day, taken as one or two divided doses.
The dose should be adjusted as needed to achieve concentrations of Adfovir Tablet 10 mg in the blood that are high enough to have an antiviral effect, but low enough to avoid toxicity.
Administration
Adfovir Tablet 10 mg should be taken orally, with or without food, once a day. It is important to take Adfovir Tablet 10 mg regularly and consistently at the same time each day to ensure maximum therapeutic effect.
Side Effects
The most common side effects of Adfovir Tablet 10 mg include nausea, headaches, dizziness, muscle pain, weakness, abdominal pain, vomiting, and diarrhea. More serious side effects can include liver problems, kidney problems, and allergic reactions.
Toxicity
Adfovir Tablet 10 mg, like other antiviral drugs, has the potential for toxicity. Toxic reaction to Adfovir Tablet 10 mg is characterized by a decrease in kidney function, which in turn can lead to an increased concentration of the drug in the blood. Prolonged use of Adfovir Tablet 10 mg can lead to irreversible liver damage.
Precaution
In order to minimize the potential risk of toxicity with Adfovir Tablet 10 mg, it is important to monitor liver function and kidney function closely. It is also important to inform the doctor of any other medications or herbal products being used, as Adfovir Tablet 10 mg may interact with them.
Interaction
Adfovir Tablet 10 mg has been known to interact with other medications, including some antifungals, antibiotics, antivirals, and psychotropic medications. It is important to inform the doctor of any other medications or herbal products being used, as Adfovir Tablet 10 mg may interact with them.
Disease Interaction
Adfovir Tablet 10 mg should not be used in patients with renal impairment, severe hepatic impairment, or those who are immunocompromised.
Drug Interaction
Adfovir Tablet 10 mg has been known to interact with other medications, including some antifungals, antibiotics, antivirals, and psychotropic medications. It is important to inform the doctor of any other medications or herbal products being used, as Adfovir Tablet 10 mg may interact with them.
Food Interactions
No specific food interactions have been reported with Adfovir Tablet 10 mg. However, it is important to inform the doctor of any dietary supplements and foods being consumed, as certain substances can interact with this medication.
Pregnancy Use
Adfovir Tablet 10 mg should not be used in pregnant women, as animal studies have shown harm to the fetus.
Lactation Use
Adfovir Tablet 10 mg should not be used in breastfeeding women, as it is not known if it is safe for breastfeeding infants.
Acute Overdose
In cases of acute overdose, the patient should be monitored closely and medical treatment sought immediately.
Contraindication
Adfovir Tablet 10 mg should not be used in patients with renal impairment, severe hepatic impairment, or those who are immunocompromised.
Use Direction
Adfovir Tablet 10 mg should be taken orally, with or without food, once a day. It is important to take Adfovir Tablet 10 mg regularly and consistently at the same time each day to ensure maximum therapeutic effect.
Storage Condition
Adfovir Tablet 10 mg should be stored at room temperature in a light-resistant container.
Volume Of Distribution
Adfovir Tablet 10 mg has a volume of distribution of approximately 15-20 L.
Half Life
Adfovir Tablet 10 mg has a half-life of approximately 17-22 hours.
Clearance
Adfovir Tablet 10 mg is cleared from the body primarily through renal excretion, with a total body clearance of approximately 17-22 mL/min.
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*** Taking medicines without doctor's advice can cause long-term problems.