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Teviral 0.5 is used in the treatment of HIV infection and chronic hepatitis B virus (HBV) infection. It prevents the multiplication of virus in human cells. This stops the virus from producing new viruses and clears up your infection. Teviral 0.5 is not a cure for HIV or AIDS and only helps to decrease the amount of HIV in your body. This helps to lower your risk of getting HIV-related complications and improves your lifespan. It is prescribed in combination with other HIV medicines. Your doctor will recommend the best medicines for you and will decide the doses that you...
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Uses of Teviral 0.5
Chronic hepatitis B virus (HBV) infection
Side effects of Teviral 0.5
Common
Headache
Dizziness
Tiredness
Nausea
How to use Teviral 0.5
Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Teviral 0.5 is to be taken empty stomach.
How Teviral 0.5 works
Teviral 0.5 is an antiviral medication. It prevents the multiplication of virus in human cells. This stops the virus from producing new viruses and clears up your infection.
What if you forget to take Teviral 0.5?
If you miss a dose of Teviral 0.5, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.
Quick Tips
You have been prescribed Teviral 0.5 for the treatment of chronic hepatitis B virus (HBV) infection.
Take it on an empty stomach, at least 2 hours after or before a meal.
Teviral 0.5 may cause dizziness or sleepiness. Do not drive or do anything requiring concentration until you know how it affects you.
You may still develop infections or other illnesses associated with viral infection while taking this medication.
During treatment and for at least six months after stopping this medicine, regular blood tests are needed to monitor your liver function, level of hepatitis B virus and blood cells in your blood.
Brief Description
Indication
Chronic hepatitis B
Administration
Should be taken on an empty stomach. Take at least 2 hr after a meal & 2 hr before the next meal. Use oral solution when needed for renal impairment dosage adjustments.
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Adult Dose
Chronic Hepatitis B
Indicated for treatment of CHB with evidence of active viral replication and either evidence of persistent elevations in serum aminotransferases (ALT or AST) or histologically active disease
Nucleoside inhibitor treatment-naïve with compensated liver disease (adults and adolescents ?16 yr): 0.5 mg PO qDay
Lamivudine-refractory or known lamivudine or telbivudine resistance substitutions (adults and adolescents ?16 yr): 1 mg PO qDay
Decompensated liver disease (adults): 1 mg PO qDay
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Child Dose
Chronic Hepatitis B
Indicated for treatment of CHB with evidence of active viral replication and either evidence of persistent elevations in serum aminotransferases (ALT or AST) or histologically active disease in children ?2 years and weigh at least 10 kg
<2 years: Safety and efficacy not established
>16 years: As adult
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Renal Dose
Renal Impairment
Usual daily dose (0.5 mg)
CrCl ?50 mL/min: No dosage adjustment required
CrCl 30-49 mL/min: Reduce to 0.25 mg/day or 0.5 mg q48hr
CrCl 10-29 mL/min: Reduce to 0.15 mg/day or 0.5 mg q72hr
CrCl <10 mL/min, hemodialysis, or CAPD: 0.05 mg/day or 0.5 mg q7days
Lamivudine-refractory/decompensated liver disease daily dose (1 mg)
CrCl ?50 mL/min: No dosage adjustment required
CrCl 30-49 mL/min: Reduce to 0.5 mg/day or 1 mg q48hr
CrCl 10-29 mL/min: Reduce to 0.3 mg/day or 1 mg q72hr
CrCl <10 mL/min, hemodialysis, or CAPD: 0.1 mg/day or 1 mg q7days
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Contraindication
Entecavir is contraindicated in patients with previously demonstrated hypersensitivity to Entecavir or any component of the product.
Mode of Action
Selective HBV DNA polymerase inhibitor; inhibition blocks reverse transcriptase activity, which in turn reduces viral DNA synthesis
Precaution
Lactic acidosis: Lactic acidosis and severe hepatomegaly with steatosis, including fatal cases have been reported with the use of nucleoside analogues alone or in combination with antiretrovirals.Exacerbations of hepatitis after discontinuation of treatment: Severe acute exacerbations of hepatitis B have been reported in patients who have discontinued anti-hepatitis B therapy, including Entecavir.
Lactation: excretion in milk unknown/not recommended
Pregnancy Prospective pregnancy data from the APR are not sufficient to adequately assess the risk of birth defects, miscarriage or adverse maternal or fetal outcomes; use during pregnancy has been evaluated in a limited number of individuals reported to APR and number of exposures to entecavir is insufficient to make a risk assessment compared to a reference population; rate of miscarriage is not reported in APR; all pregnancies have a background risk of birth defect, loss, or other adverse outcomes Lactation Not known whether drug is present in human breast milk, affects human milk production, or has effects on the...
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Interaction
Drugs that reduce renal function or compete for active tubular secretion may increase serum conc of either entecavir or co-administered drug.