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Fact Table
| 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 |
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.
Directions
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.
Ingredients
The active ingredient in Tamiflu is Oseltamivir
Cautions
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
Interactions
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.
Side Effects
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.
Frequently Asked Questions about Oseltamivir
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.
