Buy Norvir from Canadian & International Pharmacies
Norvir (Ritonavir)and/or alternatives
Norvir 100mg from $2.19 USD/tabletNorvir 100mg
Manufactured by: Abbott Laboratories Ltd.
Product of New Zealand. Shipped from New ZealandRxPrescription Required
Norvir 100mg is also available from CanadaNorvir 100mg from $2.28 USD/tabletNorvir 100mg
Manufactured by: Abbott Laboratories Ltd.
Product of Canada. Shipped from CanadaRxPrescription Required
Ritonavir 100mg from $1.17 USD/tabletRitonavir 100mg
Generic Alternative to Norvir
Marketed as Ritomune in India
Manufactured by: Cipla
Product of India. Shipped from IndiaRxPrescription Required
General Information on Norvir
Norvir is used for treating infections that occur due to HIV, or human immunodeficiency virus. HIV causes AIDS, or acquired immunodeficiency syndrome. The generic name of this drug is Ritonavir. It comes under a class of drugs referred as protease inhibitors.
Norvir works by preventing virus cells from multiplying within patient’s body. However, this drug does not cure HIV or AIDS.
Norvir is meant for oral administration only. You can buy Norvir in form of oral tablets, available in strength, Norvir 100mg, or oral solution, available in strength, Norvir 80mg/ml.
The inactive ingredients present in oral tablets are: anhydrous dibasic calcium phosphate, copovidone, sorbitan monolaurate, sodium stearyl fumarate, and colloidal silicon dioxide. The inactive ingredients present in oral solution are: saccharin sodium, ethanol, peppermint oil, polyoxyl 35 castor oil, creamy caramel flavoring, water, propylene glycol, and anhydrous citric acid (for pH adjustment).
Side effects of Norvir
You should not buy Norvir if you are hypersensitive to any ingredient present in it. Your doctor may monitor you more closely or adjust the dosage if you have certain medical conditions such as a bleeding disorder, diabetes, heart rhythm disorder, and heart disease, high levels of triglycerides or cholesterol, or liver disease. To ensure the treatment is safe for you, inform your doctor about your medical history before commencing treatment.
The following are the less serious side effects that Norvir may cause: mood changes, stomach ache, mild nausea, headache, or vomitting. If any of these side effects are severe, you should consult your physician.
Some of the serious side effects of Norvir are: easy bruising, easy or unusual bleeding, uneven heart rate, signs of liver damage (such as loss of appetite, nausea, low fever, dark urine, yellow eyes or skin, or dark-colored stools), increased thirst, increased urination, or fast heart rate. You should inform your doctor if you experience any of the above-mentioned side effects during treatment.
Dosage of Norvir
Your doctor may start with a lower dosage and then gradually increase your dosage. The minimum starting dosage in adult patients is 300 mg twice per day. The recommended maintenance dosage in adult patients is 600 mg twice per day. The recommended dosage range in pediatric patients over 1 month is 350 mg to 400 mg per m².
Serious, potentially fatal, side effects may develop if you use Novir in combination with any of the following: amiodarone, alfuzosin, flecainide, triazolam, bepridil, voriconazole, propafenone, midazolam, cisapride, pimozide, ergot drugs (such as Methergine, Ergomar, Wigraine, Migranal, or D.H.E. 45), or St. John’s Wort.
Other drugs that may interact with Novir are: certain antibiotics (such as Rifadin, Rifamate, Mycobutin, and others), antidepressants (such as Vanatrip, Norpramin, Paxil, and others), certain antifungal drugs (such as Sporanox or Nizoral), anti-psychotic drugs, steroids (such as Flonase, Dexasone, Advair, and others), blood pressure or heart medications (such as Toprol, Procardia, Isoptin, and others), pain medications (such as Darvon, Demerol, Ultracet, and others), or anti-seizure drugs (such as Klonopin, Tegretol, Zarontin, and others).
This is not a complete list of drugs that may interact with Novir. If you have been prescribed Novir, before starting treatment you should inform your doctor about all other medicines that you are taking.
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What is a "Generic" medication/drug?
Generic drugs are medications that have the comparable medicinal ingredients as the original brand name drug, but which are generally cheaper in price. Nearly 1 in 3 drugs dispensed are "generic". They undergo comparative testing to ensure that they are the same as their "brand" counterparts in:
- Active Ingredient (e.g. "Pravastatin" is the active ingredient in brand name Pravachol)
- Dosage (e.g. 10 mg of the active ingredient)
- Safety (e.g. same or similar side effects, drug interactions)
- Performance (e.g. 10 mg of a "generic" can be substituted for 10 mg of the "brand" and have the same therapeutic result)
- Intended use (e.g. both "generic" and "brand" would be prescribed for the same conditions)
What this means is that "generic" medications can be used as a substitute of their brand equivalents with comparable therapeutic results. There are a few exceptions (examples are outlined at the end of this page) and as always you should consult your physician before switching from a brand name medications to a generic or vice versa.
What differences are there between generic and brand?
While generics and brand equivalent drugs contain comparable active ingredients, they may be different in the following ways:
- Appearance (e.g. the scoring or markings)
The color, shape and size of the medication come from the fillers that are added to the active ingredients to make the drug. These fillers that are added to the drug have no medical use and do not to change the effectiveness of the final product. A generic drug must contain comparable active ingredients and must be comparable in strength and dosage to the original brand name equivalent. Generic drugs can be more cost effective than purchasing the brand name.
Why do generics cost less than the brand name equivalents?
When a new drug is "invented", the company that discovered it has a patent on it that gives them the exclusive production rights for this medication. Once the patent expires in a country, other companies can bring the product to market under their own name. This patent prevents other companies from copying the drug during that time so they can earn back their Research and Development costs through being the exclusive supplier of the product. After the patent expires however, other companies can develop a "generic" version of the product. These versions generally are offered at much lower prices because the companies do not have the same development costs as the original company who developed the medication.
The main thing to realize here though is that the two products are therapeutically comparable. They may look different, and be called something different, but they are required to be have the same active ingredient.
How are Generic drugs tested to ensure quality and efficacy?
The two most generally accepted methods to prove the safety of a generic version of a drug are to either repeat most of the chemistry, animal and human studies originally done, or to show that the drug performs comparably with the original brand name drug. This second option is called a "comparative bioavailability" study. During this type of study, volunteers are given the original drug, and then separately later the generic drug. The rates at which the drug is delivered to the patient (into their blood stream or otherwise absorbed) are measured to ensure they are the same. Because the same active ingredient is used the major concern is just that it delivers the common chemical(s) at the same rate so that they have the same effect. Please note that the methods that the manufacturers use may vary from country to country.