Onstal 4mg Tablet is an antiemetic medicine commonly used to control nausea and vomiting due to certain medical conditions like stomach upset. It is also used to prevent nausea and vomiting caused due to any surgery, cancer drug therapy or radiotherapy.

Onstal 4mg Tablet may be used alone or with other medications and can be taken with or without food. Your doctor will suggest the appropriate dose depending on what you are taking it for. The first dose is normally taken before the start of surgery, chemotherapy, or radiotherapy. After these treatments, take any further doses as prescribed by your doctor (normally only for a few days at most). Take it regularly at the same time(s) each day to get the most benefit. Be careful not to take too much.

This medicine does not relieve other side effects associated with cancer treatments. Also, it has little effect on vomiting caused by motion sickness. The most common side effects of taking this medicine include headache, diarrhea, or constipation and feeling tired. These symptoms should disappear when you stop taking the medicine. However, if these side effects bother you or do not go away, your doctor may be able to suggest ways of preventing or reducing them.

Before taking this medicine, tell your doctor if you have heart or liver problems or a blockage in your stomach or intestines. Also, tell your doctor about any other medicines you might be taking, especially medicines to treat epilepsy, heart problems, cancer, and depression. These may affect, or be affected by, this medicine. If you are pregnant or breastfeeding, ask for advice from your doctor.

Uses of Onstal Tablet

Benefits of Onstal Tablet

In Nausea

Onstal 4mg Tablet blocks the action of chemicals in the body that can make you feel or be sick. It is often used to prevent nausea and vomiting that may be caused by cancer chemotherapy and radiation treatment (in adults and children aged 4 years and older). It is usually taken both before and after chemotherapy or radiation. This medicine helps you recover more comfortably from these treatments. It is also effective at preventing nausea and vomiting after an operation (in adults only). The dose will depend on what you are being treated for but always take this medicine as it is prescribed.

Side effects of Onstal Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Onstal

Constipation
Diarrhea
Fatigue
Headache

How to use Onstal Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Onstal 4mg Tablet may be taken with or without food, but it is better to take it at a fixed time.

How Onstal Tablet works

Onstal 4mg Tablet is an antiemetic medication. It works by blocking the action of a chemical messenger (serotonin) in the brain that may cause nausea and vomiting during anti-cancer treatment (chemotherapy) or after surgery.

Safety advice

Alcohol

SAFE

Consuming alcohol with Onstal 4mg Tablet does not cause any harmful side effects.

Pregnancy

SAFE IF PRESCRIBED

Onstal 4mg Tablet is generally considered safe to use during pregnancy. Animal studies have shown low or no adverse effects to the developing baby; however, there are limited human studies.

Breast feeding

SAFE IF PRESCRIBED

Onstal 4mg Tablet is probably safe to use during breastfeeding. Limited human data suggests that the drug does not represent any significant risk to the baby.

Driving

SAFE

Onstal 4mg Tablet does not usually affect your ability to drive.

Kidney

SAFE IF PRESCRIBED

Onstal 4mg Tablet is safe to use in patients with kidney disease. No dose adjustment of Onstal 4mg Tablet is recommended.
However, inform your doctor if you have an underlying kidney disease. Limited information is available in patients taking this medicine for more than one day.

Liver

CONSULT YOUR DOCTOR

There is limited information available on the use of Onstal 4mg Tablet in patients with liver disease. Please consult your doctor.

What if you forget to take Onstal Tablet?

If you miss a dose of Onstal 4mg Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

Alternate brands

For informational purposes only. Consult a doctor before taking any medicines.

Onstal 4mg Tablet

₹4.5/Tablet

Vomikool 4mg Tablet

Staunch Health Care Pvt Ltd

₹4.5/tablet

same price

O M T 4mg Tablet

Thrift Pharmaceuticals

₹4.75/tablet

6% costlier

Emitus 4mg Tablet

Icarus Healthcare Pvt Ltd

₹4.77/tablet

6% costlier

Instaset ID 4mg Tablet

Votary Laboratories I Ltd

₹4.9/tablet

9% costlier

Emless 4mg Tablet

Indian Drugs & Pharmaceuticals Ltd

₹5.04/tablet

12% costlier

View all alternate brands

Quick tips

You have been prescribed Onstal 4mg Tablet for prevention of nausea and vomiting caused after surgery or due to chemotherapy and radiotherapy.
It is fast-acting and starts working within 30 minutes.
If you vomit within one hour of taking a dose, take another dose.
Avoid heavy meals and try eating small nourishing snacks throughout the day. Also, sip water regularly to help avoid dehydration.

Fact Box

Chemical Class

Carbazole Derivative

Habit Forming

Therapeutic Class

GASTRO INTESTINAL

Action Class

Serotonin antagonists (5-HT3 antagonists)

Interaction with drugs

Taking Onstal with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Codeine

Brand(s): Acicod, Montokuf, Codine Sulphate

SERIOUS

Dextropropoxyphene

Brand(s): Parvodex

SERIOUS

Nalbuphine

Brand(s): Nalfy, Nacphin, Ruffy

SERIOUS

Pentazocine

Brand(s): Wintal

SERIOUS

View all interactions

Patient concerns

What is side effect of primolut n

Dr. Megha Tuli

Obstetrics and Gynaecology

Bloating, pain abdomen, nausea, vomiting etc are common side of Primolut.

Vomiting, nausea neck pain backside

Dr. Vijay Verma

ENT

Neck pain may be due to nausea NAD vomiting Visit physician for the same

Vomiting nausea problem and fever

Dr. Gopal Bansilal Samdani

Paediatrics

Monitor temperature of Patient. If Patient has fever place a cool, damp washcloth on your child's forehead. Give your Patient a lukewarm tub bath or a sponge bath. Give a sponge bath as follows: - ? Use lukewarm water [90?F (32.2?C) to 95?F (35?C)]. Do not use cold water, ice, or rubbing alcohol, which will lower the child's body temperature too quickly. ? Sponge for 20 to 30 minutes. ? Stop if the child starts to shiver. If your child doesn't like the sponge bath or doesn't feel better after the bath, there is no need to give another one. You can use paracetamol also along with above measures to control fever till you consult Dr. will determine underlying disorders by clinical examination which range from mild conditions to the most serious of bacterial and viral illnesses and will prescribe medicines accordingly. Advice given without doing clinical examination can be imperfect or some time harmful to patient.

Do you have any questions related to Onstal 4mg Tablet ?

CONSULT A DOCTOR ONLINE

FAQs

Q. How quickly does Onstal 4mg Tablet work?

Onstal 4mg Tablet starts working within half an hour to 2 hours. It dissolves rapidly into the bloodstream and starts showing its effect.

Q. What are the side effects of Onstal 4mg Tablet?

The most common side effects of Onstal 4mg Tablet are constipation, diarrhea, fatigue and headache. However, these are usually not bothersome and resolve on their own after some time. Consult your doctor if these persist or worry you.

Q. When should you take Onstal 4mg Tablet?

Onstal 4mg Tablet should be taken with a full glass of water, with or without food. It should be used exactly as per the dose and duration advised by the doctor. Usually, the first dose of Onstal 4mg Tablet is taken before the start of your surgery, chemotherapy or radiation treatment.

Q. Is Onstal 4mg Tablet a steroid?

No, Onstal 4mg Tablet is an antiemetic and not a steroid. Onstal 4mg Tablet is a selective 5-HT3 receptor antagonist. It is prescribed for the prevention and treatment of nausea and vomiting which is commonly observed after surgery or due to cancer chemotherapy.

Q. Does Onstal 4mg Tablet work for seasickness?

No, Onstal 4mg Tablet does not work for seasickness. This is because Onstal 4mg Tablet has very little effect on the nausea associated with motion sickness.

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1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover all possible side effects, drug interactions or warnings or alerts. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

References

Sharkey KA, Wallace JL. Treatment of Disorders of Bowel Motility and Water Flux; Anti-Emetics; Agents Used in Biliary and Pancreatic Disease. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. pp. 1341-42.
Katzung BG. Histamine, Serotonin, & the Ergot Alkaloids. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 285
Ondansetron. Portage, IN: Monosol Rx, LLC; 1991 [revised Jul. 2010]. [Accessed 28 Mar. 2019] (online) Available from:
Drugs and Lactation Database (LactMed) [Internet]. Bethesda (MD): National Library of Medicine (US); 2006. Ondansetron. [Updated 2019 Feb 7]. [Accessed 20 Feb. 2020] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 28 Mar. 2019] (online) Available from:

Manufacturer/Marketer address

Anthus Pharamaceuticals Pvt. Ltd., 190 A, Pettukola Towers, P. H. Road, Kilpauk, Chennai - 600 010

Country of origin: India

Expires on or after: October, 2021

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