Oseltamivir



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  • Contains / Salt: Oseltamivir


Oseltamivir Information

Oseltamivir is a prescription medicine. It is primarily used for the treatment of Flu. Oseltamivir also has some secondary and off-label uses. These are listed below.

Medical history of the patient along with age and gender determines the dosage of Oseltamivir. Besides the medical condition it is advised for, the route of administration also plays an important role in determining the correct drug dosage. Refer to the dosage section for a detailed discussion.

While these are the most often observed Oseltamivir side effects, there are can be others also. These have been listed below. Usually, these side effects of Oseltamivir go away soon, and do not persist beyond the duration of the treatment. Consult your doctor if these side effects become worse or stay for a longer duration.

In addition, Oseltamivir's effect is Moderate during pregnancy and Severe for lactating mothers. Further, the section on Oseltamivir related warnings talks about Oseltamivir's effects on the liver, heart and kidney.

The section on Oseltamivir contraindications lists all such conditions.

Drug interactions for Oseltamivir have been reported in the medical literature. See below for a complete list.

You should also be aware that Oseltamivir is safe while driving, and is addiction.



Oseltamivir Benefits & Uses

Oseltamivir is used to treat the following -

Main Benefits

Other Benefits

Oseltamivir Dosage & How to Take

This is the usual dosage recommended in most common treatment cases. Please remember that every patient and their case is different, so the dosage can be different based on the disease, route of administration, patient's age and medical history.

Find the right dosage based on disease and age

Age Group Dosage
Adult
  • Disease: Swine Flu
  • Before or After Meal: Either
  • Single Maximum Dose: 75 mg
  • Dosage Form: Tablet
  • Dosage Route: Oral
  • Frequency: 2 daily
  • Course Duration: 5 days
  • Special Instructions: As prescribed by the doctor
Geriatric
  • Disease: Swine Flu
  • Before or After Meal: Either
  • Single Maximum Dose: 75 mg
  • Dosage Form: Tablet
  • Dosage Route: Oral
  • Frequency: 2 daily
  • Course Duration: 5 days
  • Special Instructions: As prescribed by the doctor
13 - 18 years (Adolescent)
  • Disease: Swine Flu
  • Before or After Meal: Either
  • Single Maximum Dose: 75 mg
  • Dosage Form: Tablet
  • Dosage Route: Oral
  • Frequency: 2 daily
  • Course Duration: 5 days
  • Special Instructions: As prescribed by the doctor
2 - 12 years (Child)
  • Disease: Swine Flu
  • Before or After Meal: Either
  • Single Maximum Dose: 75 mg
  • Dosage Form: Tablet
  • Dosage Route: Oral
  • Frequency: 2 daily
  • Course Duration: 5 days
  • Special Instructions: Children weighing 40 kg or more


Oseltamivir Side Effects

Based on research, the following side effects have been observed when Oseltamivir is used -

Mild

Unknown

  • Dyspepsia
  • Rash
  • Urticaria
  • Anxiety
  • Hepatitis
  • Confusion

Oseltamivir Related Warnings

  • Is the use of Oseltamivir safe for pregnant women?


    Oseltamivir may have some side effects during pregnancy. Pregnant women should discontinue the use of Oseltamivir, and talk to their doctor, if they notice any discomfort.

    Moderate
  • Is the use of Oseltamivir safe during breastfeeding?


    Women who are breastfeeding may experience severe harmful effects after taking Oseltamivir. It should only be taken after medical advice.

    Severe
  • What is the effect of Oseltamivir on the Kidneys?


    Very few cases of side effects of Oseltamivir on kidney have been reported.

    Mild
  • What is the effect of Oseltamivir on the Liver?


    Very few cases of side effects of Oseltamivir on the liver have been reported.

    Mild
  • What is the effect of Oseltamivir on the Heart?


    Oseltamivir is not harmful for the heart.

    Safe


Severe Interaction of Oseltamivir with Other Drugs

Oseltamivir should not be taken with following medicines due to severe side effects it may cause to patients -

Moderate



Oseltamivir Contraindications

If you are suffering from any of the following diseases, you should not take Oseltamivir unless your doctor advises you to do so -



Frequently asked Questions about Oseltamivir

  • Is this Oseltamivir habit forming or addictive?


    No, you will not get addicted to Oseltamivir.

    No
  • Is it safe to drive or operate heavy machinery when consuming?


    Oseltamivir does not cause dizziness or sleep, so you can drive a vehicle or operate machinery also.

    Safe
  • Is it safe?


    Yes, Oseltamivir is safe but you must consult your doctor before taking it.

    Safe, but take only on Doctor's advise
  • Is it able to treat mental disorders?


    Oseltamivir is unable to treat or cure mental disorders.

    No

Oseltamivir Interactions with Food and Alcohol

  • Interaction between Food and Oseltamivir


    It is safe to take Oseltamivir with food.

    Safe
  • Interaction between Alcohol and Oseltamivir


    Due to lack of research, nothing can be said about side effects of consuming alcohol while taking Oseltamivir.

    Unknown


Frequently asked Questions about Oseltamivir

Question over 4 years ago

Can I take Oseltamivir without consulting a doctor?

Dr. Ajay Kumar MBBS, MD , General Physician

No, Oseltamivir is a prescription drug so do not take it without consulting a doctor. It can be harmful to the patient to take this medicine without a doctor's recommendation because it can cause unpleasant side effects. Hence, the patient should seek doctors advice before taking this medication by himself or herself.

Question over 4 years ago

Does Oseltamivir cause swelling of the face or tongue ?

Dr. OP Kholwad MBBS , General Physician

Yes, Oseltamivir can cause swelling of the face or tongue. It has been reported by the patients who are taking this drug. If you are experiencing the same after taking this drug, you are advised to consult about it with your doctor.

Question over 4 years ago

Does Oseltamivir cause difficulty in breathing or swallowing ?

Dr. Saurabh Dhamdhere MBBS , Orthopedics

Yes, Oseltamivir may cause difficulty in breathing. It has been reported in patients who are taking this drug. If you are experiencing the same after taking this drug, you must call your doctor immediately.

Question about 5 years ago

What is Oseltamivir?

Dr. Vipin Khadse MBBS , General Physician

Oseltamivir is a brand name of oseltamivir and it is available in the form of a capsule, and suspension. It belongs to the class of drugs known as neuraminidase inhibitors. Oseltamivir is a prescription drug that is used to treat influenza infection ('flu')

Question about 5 years ago

How does Oseltamivir work?

Dr. Piyush Malav MBBS, MS , General Surgery

Oseltamivir works by inhibiting the flu virus from spreading in the body. Hence in this way, it helps to prevent the symptoms of the flu virus infection.



See all substitutes for Oseltamivir


This medicine data has been created by -

Vikas Chauhan

B.Pharma, Pharmacy
5 Years of Experience


References

US Food and Drug Administration (FDA) [Internet]. Maryland. USA; Package leaflet information for the user; Tamiflu® (oseltamivir phosphate)

KD Tripathi. [link]. Seventh Edition. New Delhi, India: Jaypee Brothers Medical Publishers; 2013: Page No 802

April Hazard Vallerand, Cynthia A. Sanoski. [link]. Sixteenth Edition. Philadelphia, China: F. A. Davis Company; 2019: Page No 950-952



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