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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.
Tamiflu is an influenza treatment medication available by prescription and designed to be taken within the first two days of a person contracting a flu virus. Oseltamivir is an NA inhibitor antiviral drug that blocks the neuraminidase enzyme of the virus and prevents it from multiplying. When this is done in the early stages of the person's sickness it increases the chance of their getting over it quickly as the virus is not strong enough to spread. You can buy Tamiflu with a prescription here at Canpharm.
| Fact Table | |
|---|---|
| Formula | C16H28N2O4 |
| License | FDA approved |
| Bioavailability | 75% |
| Legal status | Prescription only |
| Chemical Name | Oseltamivir |
| Elimination half-life | 1–3 hours (Oseltamivir), 6–10 hours (active metabolite) |
| Dosage (Strength) | 30mg, 45mg, 75mg capsules; 6mg/mL oral suspension |
| Pregnancy | Consult Doctor |
| Brands | Tamiflu |
| Protein binding | 42% (active metabolite) |
| PubChem CID | 65028 |
| MedlinePlus | a699040 |
| ChEBI | 7794 |
| ATC code | J05AH02 |
| DrugBank | DB00198 |
| KEGG | D08356 |
| Routes of administration | By mouth |
Standard Tamiflu dosage is to take 2 doses daily for 5 days, once in the morning and once in the evening at even intervals. Users will then only continue on the medication if they still have influenza and it hasn’t subsided.
The active ingredient in Tamiflu is Oseltamivir
Let your doctor know of any history of heart disease, kidney problems, HIV or AIDS, swallowing difficulties, or fructose (sugar in fruit) intolerance before starting on Tamiflu generic
Using Tamiflu may not be suitable for people with end-stage renal disease who are not receiving dialysis treatment
Women who are pregnant or plan to become pregnant should only use this medication if their doctor approves it
Medication is to be stored at room temperature between 68 and 77 degrees Fahrenheit and away from heat and moisture
Negative drug interactions may occur between Tamiflu and other Rx or OTC medications, including entecavir, methotrexate, pemetrexed, probenecid, tafamidis, and warfarin. Let your doctor know of all medications you are currently taking before getting a prescription and proceeding to buy Tamiflu online.
Tamiflu side effects may occur and some users may experience nausea, vomiting, headache, or pain. If side effects are seen you may want to discontinue use and meet with a doctor again to discuss flu treatment medication alternatives.
What is Oseltamivir used for?
Oseltamivir is used to treat acute, uncomplicated influenza A and B infections in individuals who have had flu symptoms for no more than 48 hours. It is also prescribed to prevent influenza in individuals who have been exposed to the virus but are not yet symptomatic.
How does Oseltamivir work?
Oseltamivir is a neuraminidase inhibitor that blocks the actions of influenza virus types A and B in your body.
How should Oseltamivir be taken?
For treatment, Oseltamivir is typically taken twice daily (morning and evening) for 5 days. For prevention, it is usually taken once daily for at least 10 days or up to 6 weeks during a community flu outbreak. It is available in capsule form and as a liquid suspension. It's important to start Oseltamivir within 48 hours of symptom onset for maximum effectiveness.
What are the common side effects of Oseltamivir?
Common side effects include nausea, vomiting, headache, and pain. Serious side effects can include allergic reactions, skin rash, and sudden unusual mood changes or behavior. If you experience any severe side effects, contact your healthcare provider immediately.
Can Oseltamivir be used during pregnancy?
Oseltamivir is considered safe for use during pregnancy when necessary. However, it's crucial to discuss all potential risks and benefits with a healthcare provider before starting treatment.
Does Oseltamivir interact with other medications?
Oseltamivir has minimal known drug interactions. However, it's important to inform your healthcare provider about all medications and supplements you are taking to avoid potential interactions.
Is Oseltamivir a substitute for the flu vaccine?
No, Oseltamivir is not a substitute for the annual flu vaccine. The Centers for Disease Control and Prevention recommend an annual flu shot to help protect against new strains of influenza virus.
For more detailed information, consult your healthcare provider or refer to the medication guide provided with Oseltamivir.
