Dramamine is an over-the-counter drug that’s commonly used to prevent or relieve motion sickness symptoms like nausea (feeling sick), being sick or feeling dizzy when travelling by car, train, boat or plane. While these days it’s a popular drug for nausea, it was first developed as a treatment for urticaria (hives). Its usefulness for motion sickness was only discovered by chance.
There’s also evidence that it can help with vertigo[1]—when you feel like you or your surroundings are spinning around—and other mild causes of nausea.[2]
Dramamine is the branded version of Dimenhydrinate tablets. Both medications contain the same active ingredient, dimenhydrinate. It’s a combination of two active ingredients:
Dimenhydramine, which helps you feel less nauseous but can also cause drowsiness.
8-chlorotheophylline, which has stimulant effects to counteract the drowsiness caused by dimenhydramine.
How does Dramamine work?
Dramamine contains dimenhydrinate, which has a complex and not yet fully understood mode of action. What’s known is that it blocks a group of receptors called H1 receptors, which blocks the action of histamine in the brain, preventing nausea and vomiting.[3]
What doses of Dramamine are there?
There are a few different types of Dramamine out there. Firstly, there’s Dramamine chewable tablets and Dramamine ORIGINAL FORMULA, which both contain 50mg of dimenhydrinate. There’s also Dramamine LESS DROWSY chewable tablets and Dramamine-N tablets which contain a different active ingredient called meclizine hydrochloride—another drug that treats and prevents nausea—at 25mg.
Treated trusted source:
Ercin, D., et al. (2020).Comparison of efficacy dimenhydrinate and metoclopramide in the treatment of nausea due to vertigo; a randomized study. The American Journal of Emergency Medicine, 40, pp.77–82.
Eberhart, L., et al. (1999).Dimenhydrinate for prevention of post-operative nausea and vomiting in female in-patients.. European journal of anaesthesiology, 16(5), pp. 284-9.
Park, S., et al. (2023). Acute Inhibition of the Human Kv1.5 Channel by H1 Receptor Antagonist Dimenhydrinate: Mode of Action.. Biological & pharmaceutical bulletin, 46(10), pp. 1394-1402.
This page was written by The Treated Content Team.
This page was medically reviewed by Dr Daniel Atkinson on January 23, 2025. Next review due on January 23, 2028.
How we source info.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
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How to take Dramamine
If you’re using Dramamine Original, you should simply swallow the tablets with water. And if you take the chewable tablets, these should be chewed before swallowing.
The dosage for Dramamine is the same regardless of the type of tablet you use, but how often you take it depends on what you’re taking it for. To prevent motion sickness, take one tablet half an hour to one hour before you start travelling. To treat motion sickness, take one or two tablets every four to six hours or as prescribed by your doctor. But don’t take more than eight tablets in a day.
How long does Dramamine take to work?
Dramamine takes somewhere between half an hour to an hour to start working. This is why it’s recommended that you take a tablet at least half an hour before travelling.
How long do the effects of Dramamine last?
Dramamine’s effects usually last for four to eight hours.
What should I do if I make a mistake when taking Dramamine?
If you take Dramamine to prevent nausea, simply take one tablet half an hour to an hour before you think you might get sick.
If you take Dramamine to treat nausea and you think you’ve taken more than the recommended amount, contact your doctor or go to your nearest emergency department.
If you miss a dose, just take it when you remember. Simply skip it if it’s close to your next dose and continue with your regular schedule.
This page was written by The Treated Content Team.
This page was medically reviewed by Dr Daniel Atkinson on January 23, 2025. Next review due on January 23, 2028.
How we source info.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
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Dramamine isn’t suitable for everyone, so it’s important to know some key details before taking it.
Here’s all the official info on it. If anything is unclear, let our clinician know, and they can talk with you about it.
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Dramamine: FAQ
Have something specific you want to know? Search our info below, or ask our experts a question if you can’t find what you’re looking for.
Can you drink while taking Dramamine?
Answer:
It’s not advised to drink alcohol while taking Dramamine, because alcohol can enhance the adverse reactions of drowsiness and dizziness associated with the use of Dramamine.
Does Dramamine have side effects?
Answer:
Like all medicines, Dramamine may cause some adverse reactions like drowsiness, blurry vision, constipation, or dryness in your mouth, nose or throat.
Since it often makes people sleepy or dizzy, be careful when driving, operating machinery or doing anything that needs you to stay alert.
Dramamine can also cause a “high”, by giving hallucinations, confusion or excitement. However, using too much of it can cause reactions like depression, seizures or psychosis.[1]
Is Dramamine similar to any other treatments for nausea?
Answer:
Dramamine is one of the most popular drug choices for treating nausea caused by motion sickness. Meclizine (brand name Bonine) is another over the counter drug belonging to the group of antihistamines. They work in similar ways, by blocking histamine receptors, but while Dramamine is taken every four to six hours, Bonine is only taken once a day, as its effects last up to 24 hours.
Can you buy Dramamine over the counter?
Answer:
Yes, Dramamine is an over-the-counter drug. So you don’t need a prescription when buying this medicine, as it’s generally considered to be relatively safe.
Is Dramamine safe in pregnancy or while breastfeeding?
Answer:
Dramamine is commonly used during pregnancy and is a relatively safe option for treating nausea and vomiting in pregnancy.[2] Also, Dramamine is considered safe to use occasionally while breastfeeding, but the baby should be monitored for drowsiness or irritability.[3]
Treated trusted source:
Bahji, A., et al. (2021). Misuse and dependence of dimenhydrinate: A mixed studies systematic review. Journal of Psychiatric Research, 136, pp.581–588.
Am, L., 1986. Safety and efficacy of antiemetics used to treat nausea and vomiting in pregnancy. Clinical pharmacy, 5, pp. 660-668.
Nice, F.J., et al. (2000). Review: Breastfeeding and Over-the-Counter Medications. Journal of Human Lactation, 16(4), pp.319–331.
Last updated on Jan 22, 2025.
How we reviewed this page:
Our experts continually monitor new findings in health and medicine, and we update our articles when new info becomes available.
Jan 22, 2025
Published by: The Treated Content Team.Medically reviewed by: Dr Daniel Atkinson, Clinical Reviewer
How we source info.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
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Dr Daniel is a UK doctor who reviews medical content across the site to make sure it's clinically accurate. On specific pages he's reviewed you'll see his reviewer card.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
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