• Home
  • /
  • Antiemetic Drugs

Antiemetic Drugs

Antiemetic drugs are medications designed to ease or prevent nausea and vomiting. These drugs target various pathways in the body associated with the sensation of nausea and the reflex of vomiting. Discover more about Antiemetic drugs and how they help you feel better.

What are Antiemetic Drugs?

Antiemetic drugs are prescribed for nausea and vomiting caused by the side effects of other medicines like anaesthesia used during surgeries or chemotherapy for cancer or other medications, frequent motion sickness, infections, stomach flu, etc.

Antiemetic drugs help to block specific neurotransmitter receptors involved in vomiting. Neurotransmitters are the cells that receive the signals to send a nerve impulse. Feeling nauseated might seem like a simple reaction, but it is a complex process in the body. Different types of antiemetic drugs are used depending on the causes.

Types of Antiemetic Drugs

Antiemetic drugs are mainly available in tablets, and Others are available as an injection or as a patch placed on your body so that you don't have to swallow anything. The antiemetic drug you take depends on what is causing and your symptoms; it may be - 

Motion sickness

Some Antiemetic drugs help prevent nausea and vomiting caused by motion sickness. These drugs desensitize the inner ear, which plays a significant role in a person's balance, which can be affected by sitting in a moving car or being on a boat. Antiemetic drugs for motion sickness include dimenhydrinate (Dramamine, Gravol), diphenhydramine (Benadryl), meclizine (Bonine), and promethazine (Phenergan). 

Stomach flu

Stomach flu or gastroenteritis is caused by a virus or bacteria, which can cause nausea and vomiting. The antiemetics drugs for stomach flu include:

  • Bismuth-subsalicylate (Pepto-Bismol).
  • Sodium citrate/dextrose/fructose (Nauzene).
  • Phosphoric acid (Emitrol) coats your stomach lining and can help in an upset stomach as the body fights off the infection.


Antiemetic drugs are used by People who require anaesthesia to undergo surgery and frequently complain of nausea and vomiting following the surgery. Different drugs can help with this, such as serotonin receptor blockers, dopamine receptor blockers, and some corticosteroids.

These antiemetic drugs include dexamethasone (Decadron), droperidol (Inapsine), granisetron metoclopramide (Reglan), and ondansetron(Zofran).

Morning sickness

Pregnant women with morning sickness can use antiemetic drugs to reduce their symptoms. They are only prescribed these drugs in severe situations when a woman has hyperemesis gravidarum or where nausea and vomiting interfere with everyday life. The antiemetic drug includes dimenhydrinate(Dramamine), prochlorperazine (Compazine), promethazine (Pentazine), and vitamin B-6 for morning sickness. In some cases, Doctors may also prescribe metoclopramide (Reglan) for women. 

Antiemetic drugs List

Betavert tablet

Betavert Tablet belongs to the class of antivertigo, which is used in treating Meniere's disease (motion sickness), an inner ear disorder. It is similar to that of a natural substance called histamine.

Vomistop Tablet

Vomistop is an effective antiemetic drug used to treat nausea and vomiting caused by a slow-moving stomach, resulting in delayed emptying. It increases intestinal movements, facilitates bowel emptying, and provides relief. 

Emeset Tablet

Emeset tablet is an antiemetic medicine used to control nausea and vomiting due to certain medical conditions like stomach upset Due to any surgery, cancer drug therapy or radiotherapy. Emeset tablets contain Ondansetron. 

Side effects and complications while consuming antiemetic drugs

Using antiemetic drugs can help people live without symptoms of nausea and vomiting, but it can also cause some complications and side effects, which a doctor may address.

  • Weakness of muscles, spasms, or convulsions.
  • Change in heartbeat rates, Such as palpitations or rapid heartbeat. 
  • Slurred speech.
  • Worsening of nausea or vomiting, Even while taking medications.
  • Psychological problems, Such as hallucinations or confusion, can also occur. 
  • Drowsiness. 

So, it is better to discuss the consumption of medications with a doctor before starting any new prescription, especially if a person is taking other medications.

Antiemetic drugs safe for pregnancy

Antiemetic drugs for motion sickness, like meclizine and dimenhydrinate, are safe for pregnant women. Vitamin B-6 and dopamine antagonists have also been safe, but they must be used only in severe cases of morning sickness under a doctor's prescription. Drugs like cannabis or marijuana are not safe to use during pregnancy. The drug can increase the risk of brain and behavioural problems in children.

Precautions and advice while consuming Antiemetic Drugs

Do not take these medicines with alcohol because most of these drugs suppress the central nervous system, and alcohol can strengthen such effects, which can be harmful. Antiemetic drugs are mainly used for symptomatic relief rather than a permanent cure, so it is better to avoid the excessive use of these drugs. If you're taking a prescription medicine for another health issue, Ask your doctor if it's okay also to take an OTC antiemetic medicine. Consume only the amount recommended on the medicine's label. Taking more than the recommended amount can be dangerous for your health. 

Avoid if you have any Previous sensitivity or allergic reaction to components of antiemetic drugs. For children, it is better to consult a doctor before giving this medication to them.


Antiemetic drugs should be stored in a cool and dry place. Furthermore, drugs should be appropriately kept in places unreachable by the children.

Where to Find Antiemetic Medicines?

You can buy the prescribed Antiemetic Drugs like Betavert, Vomistop and Emeset in different quantity types from Refillonlinepharmacy; it is one of the reputed online pharmacies that belongs to India and provides a wide range of medicine in the USA. This online pharmacy provides medicine at a cost-effective price by offering incredible discounts. You can easily place your orders and pay through different payment options with the help of this website's user-friendly interface.

The medicines will be delivered to your doorstep within the estimated time frame, and before delivery, it is well packed and checked. This reputed online pharmacy is well-known among people worldwide who buy its cost-effective prices and generic medicine. You can buy a wide range of generic drugs by visiting our pharmacy store.

Antiemetic drugs are medications designed to ease or prevent nausea and vomiting. These drugs target various pathways in the body associated with the sensation of nausea and the reflex of vomiting. Discover more about Antiemetic drugs and how they help you feel better.