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Ondansetron साल्ट से बनी दवाएं:

Onsett के सारे विकल्प देखें

Prescription Required

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Onsett Information

Onsett is a prescription medicine that is available as a Injection, Tablet. It is primarily used for the treatment of Nausea and Vomiting.

Medical history of the patient along with age and gender determines the dosage of Onsett. The condition it has been prescribed for, and the route of administration also determine the right dosage. This information has been provided in detail in the dosage section.

While these are the most often observed Onsett side effects, there are can be others also. These have been listed below. These side effects of Onsett are usually temporary and subside with the completion of treatment. If, however, they worsen or do not go away, please speak with your physician.

Furthermore, you should know that effect of Onsett is Safe for pregnant women and Mild for women who are breastfeeding. Further, the section on Onsett related warnings talks about Onsett's effects on the liver, heart and kidney.

Onsett is not recommended if you suffer from certain medical conditions as it can have adverse effects. Heart Disease, Calcium Deficiency, Potassium Deficiency are examples of such conditions. The section on Onsett contraindications lists all such conditions.

Drug reaction of Onsett with other medicines has been reported. See below for a complete list.

In addition to the above precautions for Onsett, it is important to know that it is not safe while driving, and is not habit-forming.

  1. Onsett Benefits & Uses
  2. Onsett Dosage & How to Take
  3. Onsett Side Effects
  4. Onsett Related Warnings
  5. Severe Interaction of Onsett with Other Drugs
  6. Onsett Contraindications
  7. Frequently asked Questions about Onsett
  8. Onsett Interactions with Food and Alcohol

Onsett Benefits & Uses

Onsett is used to treat the following -

  1. Nausea and Vomiting Primary

Onsett Dosage & How to Take

Find the right dosage based on disease and age

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Ingredients of Onsett


Onsett Side Effects

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

  1. Fatigue Mild
  2. Headache Mild
  3. Injection site pain
  4. Constipation Moderate
  5. Dizziness Mild
  6. Fever Mild
  7. Anxiety Mild
  8. Chills
  9. Urine Retention
  10. Agitation
  11. Drowsiness
  12. Diarrhoea
  13. Injection Site Allergic Reaction
  14. Rash
  15. Paresthesia

Onsett Related Warnings

Is the use of Onsett safe for pregnant women?

There are no side effects of Onsett in pregnant women.


Is the use of Onsett safe during breastfeeding?

Side effects of Onsett on breastfeeding women are very mild.


What is the effect of Onsett on the Kidneys?

There are no side effects of Onsett on the kidneys.


What is the effect of Onsett on the Liver?

The liver can be affected by Onsett. If you experience any unwanted effects of this drug, stop taking it and consult your doctor. You should restart Onsett only after medical advice.


What is the effect of Onsett on the Heart?

Onsett can have moderate side effects on the heart. If you notice any harmful effects then stop taking this drug right away. Consult your doctor before using this medicine again.


Severe Interaction of Onsett with Other Drugs

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







    Onsett Contraindications

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

    1. Heart Disease
    2. Liver Disease
    3. Phenylketonuria (PKU)
    4. Calcium Deficiency
    5. Potassium Deficiency

    Frequently asked Questions about Onsett

    Is this Onsett habit forming or addictive?

    Onsett does not cause addiction.


    Is it safe to drive or operate heavy machinery when consuming?

    You may feel sleepy or tired after taking Onsett. So it is best to avoid driving.


    Is it safe?

    Onsett is safe but it is important to consult a doctor before taking it.

    Safe, but take only on Doctor's advise

    Is it able to treat mental disorders?

    No, Onsett is not used to treat mental disorders.


    Onsett Interactions with Food and Alcohol

    Interaction between Food and Onsett

    Taking Onsett with food does not cause any problems.


    Interaction between Alcohol and Onsett

    Consult your doctor before consuming alcohol while taking Onsett as it can have severe side effects.


    Onsett FAQs

    Question about 2 years ago

    How does Onsett work?

    Dr. Uday Nath Sahoo MBBS , Internal Medicine

    Onsett belongs to a class of compounds known as 5 -HT3 receptor antagonists. It blocks the action of serotonin completely at the 5-HT3 receptor sites present in our brain (vomiting centre) which provides relief to the patient from nausea and vomiting.

    Question over 1 year ago

    Can Onsett be taken with tramadol?

    Dr. Braj Bhushan Ojha BAMS , Gastroenterology, Dermatology, Psychiatry, Ayurveda, Sexology, Diabetology

    No, Onsett should not be ideally taken with tramadol as the action of both the drugs decreases upon concomitant use. Tramadol is an opioid medication used to treat mild to moderate pain. Take it only when a doctor has prescribed it. ​

    Question about 2 years ago

    How to take Onsett?

    Dr. Saurabh Shakya MBBS , General Physician

    Onsett is available in form of tablet, syrup, and injection. It should be taken as per your doctor's instructions. Ideally, Onsett has to be taken with food to avoid stomach upset. The initial dose is usually taken half an hour before chemotherapy, 1 to 2 hours before radiation therapy and 1 hour before a surgery. Additional doses can be suggested by the doctor as per the individual requirements.

    Question over 1 year ago

    Does Onsett cause headache?

    Dr. Keshu Lal Damor MBBS , General Physician, Other, Obstetrics & Gynaecology

    Yes, headache is one of the common side effects of Onsett. Apply balms and take a mild painkiller if a headache is of throbbing nature. Additionally, headaches can be prevented by doing yoga and meditation, by keeping away from electronic gadgets and computers, by eating light food and listening to relaxing music.

    Question over 1 year ago

    Does Onsett cause drowsiness?

    Dr. Rahul Poddar MBBS, DNB, MBBS, DNB , General Surgery

    Yes, Onsett may cause drowsiness because this drug has been reported to induce sleep. Ensure you do not drive or do some high precision work. To avoid excessive drowsiness with this medicine you are encouraged to take adequate night-time sleep, keeping distractions out of the bedroom, going to sleep and getting up at consistent times, eating light at lunchtime, putting in some form of a physical activity, avoiding taking naps during the day, and avoiding alcohol at night.

    This medicine data has been created by -
    Vikas Chauhan
    B.Pharma, Pharmacy
    3 Years of Experience


    1. April Hazard Vallerand, Cynthia A. Sanoski. [link]. Sixteenth Edition. Philadelphia, China: F. A. Davis Company; 2019: Page No 947-948
    2. KD Tripathi. [link]. Seventh Edition. New Delhi, India: Jaypee Brothers Medical Publishers; 2013: Page No 668
    3. US Food and Drug Administration (FDA) [Internet]. Maryland. USA; Package leaflet information for the user; Zofran (ondansetron hydrochloride)
    4. US Food and Drug Administration (FDA) [Internet]. Maryland. USA; Package leaflet information for the user; Zofran® (ondansetron hydrochloride)