Generic Dramamine ( Dimenhydrinate )

Buy Generic Dramamine (Dimenhydrinate) without prescription in Canada

At our pharmacy, you can buy Dramamine without a prescription, with discreet and anonymous packaging delivered within 5-14 days across Canada.

What is Dramamine?

Dramamine is an over-the-counter medication used to prevent and treat motion sickness. The active ingredient is dimenhydrinate, an antihistamine of the ethanolamine class. It works by blocking histamine H1 receptors in the vomiting center of the brain and in the vestibular system of the inner ear. Motion sickness happens when your eyes, inner ear, and body send conflicting signals about movement to your brain. The brain interprets this sensory mismatch as a threat, something like a neurotoxin, and triggers nausea and vomiting as a defensive response. Dramamine dampens that reflex by reducing the sensitivity of the vestibular apparatus and suppressing cholinergic activity in the vomiting center.

The drug is chemically a salt of diphenhydramine and 8-chlorotheophylline. The diphenhydramine is the active antihistamine. The 8-chlorotheophylline is a mild stimulant added to counteract the sedation that diphenhydramine causes. It doesn't fully cancel it out. Dimenhydrinate is still sedating for most people. The stimulant just takes the edge off so you're sleepy rather than unconscious.

The onset of action is about 30 to 60 minutes after oral administration. For preventing motion sickness, take it 30 to 60 minutes before travel. The antiemetic effect lasts about 4 to 6 hours. For long trips, repeat doses are needed. Dramamine comes as 50 mg tablets. The standard adult dose is 50 to 100 mg every 4 to 6 hours, with a maximum of 400 mg in 24 hours.

Mechanism and Pharmacology

Dimenhydrinate dissociates in the body to diphenhydramine and 8-chlorotheophylline. Diphenhydramine is a first-generation H1 receptor antagonist that crosses the blood-brain barrier readily. In the central nervous system, it blocks histamine H1 receptors in the vestibular nuclei, the chemoreceptor trigger zone, and the vomiting center in the medulla. Histamine is one of several neurotransmitters involved in the emetic response, along with acetylcholine, dopamine, and serotonin. By blocking H1 receptors, dimenhydrinate interrupts one arm of the pathway that leads to nausea and vomiting.

Diphenhydramine also has significant anticholinergic activity. It blocks muscarinic acetylcholine receptors, which contributes to both the antiemetic effect and the side effect profile. The anticholinergic action reduces the sensitivity of the vestibular system to motion signals. It also dries up secretions and slows gut motility. The sedation comes primarily from central H1 blockade, plus some anticholinergic contribution.

8-chlorotheophylline is a xanthine derivative related to caffeine. It's a mild CNS stimulant that was added to the formulation specifically to offset the sedation from diphenhydramine. The counterbalancing is incomplete. Most people still feel drowsy, just less than they would from diphenhydramine alone.

Dimenhydrinate is well absorbed orally. Peak plasma levels occur about 2 to 3 hours after dosing. The half-life is roughly 5 to 8 hours, but it varies with age and liver function. It's extensively metabolized in the liver, primarily by CYP2D6, and excreted in urine as metabolites. Renal impairment can prolong the half-life. Elderly patients metabolize it more slowly and are more sensitive to its CNS effects.

How to Use Dramamine

For motion sickness prevention, take 50 to 100 mg about 30 to 60 minutes before travel. If you're already nauseous, take it as soon as symptoms start. For extended travel, the dose can be repeated every 4 to 6 hours. Do not exceed 400 mg in a 24-hour period.

For adults, 50 mg is often enough for mild motion sensitivity. If you know you get severely motion sick, 100 mg gives more protection at the cost of more sedation. Children aged 6 to 12 can take 25 to 50 mg every 6 to 8 hours, not exceeding 150 mg per day. Children aged 2 to 6 can take 12.5 to 25 mg, not exceeding 75 mg per day. For children under 2, consult a doctor.

Take the tablet with a small amount of food if it upsets your stomach. A light snack before travel is generally a good idea anyway. An empty stomach is more prone to nausea. Avoid heavy, greasy meals before traveling.

If you miss a dose and you're on a long journey where you're taking it on schedule, take it as soon as you remember unless it's nearly time for the next dose. The window for motion sickness protection is based on timing relative to the motion stimulus, so consistency matters more than with some other medications.

Side Effects of Dramamine

Drowsiness is the dominant side effect. It affects most people to some degree. The 8-chlorotheophylline doesn't fully offset it. If you're taking Dramamine, don't drive, operate machinery, or make important decisions that require full alertness until you know how it affects you. Some people are only mildly sleepy. Others feel heavily sedated. It varies with dose, body weight, and individual sensitivity.

Dry mouth, blurred vision, and difficulty urinating are anticholinergic effects. They're dose-dependent and usually mild at the 50 mg dose. At 100 mg or with repeated dosing, they become more noticeable. Sipping water helps with dry mouth. The blurred vision is usually mild and transient, but it's another reason not to drive.

Dizziness and confusion can occur, particularly in the elderly. First-generation antihistamines are on the Beers list of potentially inappropriate medications for older adults precisely because of these CNS effects. The risk of falls and cognitive impairment increases.

Paradoxical excitation happens in a minority of people, particularly children. Instead of sedation, they get restless, irritable, and sometimes hyperactive. It's less common with dimenhydrinate than with some other antihistamines, but it happens. If your child becomes agitated after Dramamine, don't give another dose thinking it will sedate them. It won't.

Tinnitus, a ringing in the ears, has been reported at high doses. It's rare and reversible.

High-Risk Groups (Elderly, Pregnancy)

Pregnancy. Dimenhydrinate is one of the more studied antiemetics in pregnancy and is considered relatively safe. It's FDA pregnancy category B. It's been used for decades for morning sickness as well as motion sickness. The data do not suggest an increased risk of congenital malformations. That said, pyridoxine (vitamin B6) plus doxylamine (Diclectin) is the first-line antiemetic for nausea and vomiting of pregnancy in Canada, because it has the most extensive safety data. Dimenhydrinate is a second-line option. For occasional use during pregnancy, it's generally considered acceptable. For chronic daily use, discuss with your obstetrician.

Breastfeeding. Dimenhydrinate is excreted into breast milk. The amount is small relative to the maternal dose, but infants are more sensitive to antihistamines. Sedation and irritability have been reported in breastfed infants. Occasional use is probably fine. Repeated use or high doses should be avoided or discussed with a pediatrician. If the infant becomes unusually sleepy, stop the medication and contact your doctor.

Elderly patients should use dimenhydrinate cautiously, if at all. Anticholinergic drugs are poorly tolerated in older adults. They cause sedation, confusion, dry mouth, constipation, urinary retention, and blurred vision. The risk of falls increases. If an older person needs an antiemetic for motion sickness, non-sedating alternatives like ginger or acupressure wristbands should be tried first. If medication is necessary, a lower dose (25 mg) is a reasonable starting point.

Children under 2 should not be given dimenhydrinate without medical advice. The dosing is weight-dependent, and the therapeutic window is narrower than in older children. Accidental overdose in young children can cause seizures, hallucinations, and respiratory depression.

Glaucoma, particularly narrow-angle glaucoma, is a contraindication. The anticholinergic effect can increase intraocular pressure and precipitate an acute attack. Benign prostatic hyperplasia with urinary retention is also a concern. Anticholinergics relax the bladder detrusor muscle and tighten the sphincter, making it harder to urinate. A man with BPH who takes dimenhydrinate may find himself unable to void.

Asthma and COPD. The anticholinergic drying effect can thicken bronchial secretions, making them harder to clear. This is rarely a problem at occasional doses, but it's worth noting for patients with significant respiratory disease.

Interaction With Activities (Driving, Alcohol)

Driving. Dimenhydrinate impairs driving ability in most people. The sedation, slowed reaction time, and blurred vision are incompatible with safe driving. The label warns against driving or operating machinery. Some people feel fine and assume they can drive. The impairment may be greater than it subjectively feels. If you need to drive during travel, consider a non-sedating alternative like meclizine (which is still mildly sedating) or non-pharmacological strategies.

Alcohol. The combination of dimenhydrinate and alcohol produces additive CNS depression. Drowsiness, dizziness, and impaired coordination are all worse. A single drink might feel like two or three. The combination is dangerous for driving and increases the risk of accidents. If you're taking Dramamine for motion sickness on a cruise or a flight, having a drink is common, but it will amplify the sedation. Be aware of that before you find yourself unable to stay awake through dinner.

Drug Interactions

Dimenhydrinate has additive effects with any drug that depresses the central nervous system. This includes benzodiazepines, opioids, sleep medications, muscle relaxants, and alcohol. The sedation and cognitive impairment are more than the sum of each drug individually.

Anticholinergic drugs in combination are problematic. Many medications have anticholinergic activity: tricyclic antidepressants (amitriptyline, nortriptyline), antipsychotics (clozapine, olanzapine, quetiapine), bladder antispasmodics (oxybutynin, tolterodine), and antiparkinsonian drugs (benztropine, trihexyphenidyl). Adding dimenhydrinate to one or more of these can cause significant anticholinergic toxicity: confusion, dry mouth, constipation, urinary retention, blurred vision, and in severe cases delirium and hallucinations. The elderly are most at risk.

Monoamine oxidase inhibitors (MAOIs) can theoretically prolong and intensify the anticholinergic effects of dimenhydrinate. The interaction is poorly documented but noted in prescribing guidelines. If you're on an MAOI, avoid dimenhydrinate or discuss it with your doctor first.

Ototoxic drugs. Dimenhydrinate can mask the early symptoms of ototoxicity from drugs like aminoglycoside antibiotics, loop diuretics, and cisplatin. The tinnitus and dizziness that would normally alert a physician to ear damage may be suppressed. This is more of a concern in hospital settings than for occasional use by travelers.

Alternative Options

Dimenhydrinate is effective, but the sedation limits its use. Here are alternatives for motion sickness:

Meclizine (Bonamine) is another first-generation antihistamine with a longer duration of action, about 12 to 24 hours, and somewhat less sedation than dimenhydrinate for many people. It's taken once daily. It's available over the counter in Canada as Bonamine. It's the preferred oral antihistamine for motion sickness when sedation is a concern but some medication is still needed.

Scopolamine patch (Transderm-V) is a prescription anticholinergic delivered through a patch behind the ear. It's applied 4 hours before travel and lasts up to 72 hours. It's more effective than oral antihistamines for preventing motion sickness. Side effects include dry mouth, blurred vision if you touch the patch and then your eye, and sedation in some users. It's the gold standard for long-duration motion sickness prevention, for cruise ships or extended voyages.

Ginger has evidence for reducing nausea and may help with motion sickness. The data are inconsistent, but it's safe, non-sedating, and widely available. Ginger capsules, crystallized ginger, or ginger tea taken before travel may help. It's a reasonable first try for mild to moderate motion sensitivity.

Acupressure wristbands (Sea-Band) apply pressure to the P6 point on the inner wrist. The evidence is mixed, with some studies showing benefit over placebo and others showing none. They're harmless and non-sedating, so they're worth trying. Even a placebo effect is still an effect when it comes to nausea.

Non-pharmacological strategies work for many people. Sit in the front seat of a car. Face forward on a train. On a boat, stay on deck and focus on the horizon. On a plane, choose a seat over the wing where motion is minimized. Avoid reading or looking at screens. Keep your head still. Fresh air helps. Small, bland snacks are better than an empty stomach or a heavy meal.

INN, Brand Names, and Classification in Canada

INN (International Nonproprietary Name): Dimenhydrinate
Available brand names in Canada: Dramamine, Gravol, and generic dimenhydrinate
ATC code: A04AB02
Forms and strengths: Tablets 15 mg, 25 mg, 50 mg, 100 mg; Chewable tablets; Oral liquid; Suppositories; Injectable solution
Manufacturers: Church & Dwight Canada (Gravol), and diverse generic manufacturers
Registration status in Canada: Registered
Classification: Over-the-counter (OTC)

Using Dramamine Effectively

Timing is everything with motion sickness medication. Once the nausea is established and you're actively vomiting, oral medication is less reliable because it may not stay down long enough to be absorbed. Taking Dramamine before you feel sick is much more effective than trying to catch up afterward. If you know you get motion sick on boats, take it an hour before you board. If you're prone to carsickness, take it before the winding road, not when you're already green.

The sedation is real and not trivial. If you're the one driving, dimenhydrinate is not the right choice. Meclizine or non-drug strategies are better. If you're a passenger on a long flight and want to sleep through it anyway, the sedation might actually be useful.

Dramamine and Gravol are the same drug. The brand names are different, and Gravol offers more formulations (ginger-based, long-acting, liquid gels), but the dimenhydrinate products are equivalent. Generic dimenhydrinate is the least expensive option.

Dramamine is available without a prescription at pharmacies across Canada. Through our pharmacy, you can also order it online with discreet packaging and have it delivered anywhere in the country.

Frequently Asked Questions

How long before travel should I take Dramamine?
Take it 30 to 60 minutes before you expect motion to start. For a car trip, take it before you leave. For a boat, take it before boarding. Once nausea is established, the drug is less effective and may not stay absorbed.

Will Dramamine make me sleepy?
Probably. Most people experience some sedation. The degree varies. At 50 mg, some people are only mildly tired. At 100 mg, most people are noticeably drowsy. Don't drive or operate machinery until you know how it affects you.

Can I take Dramamine if I'm pregnant?
Dimenhydrinate has been used in pregnancy for decades and is considered relatively safe for occasional use. It's pregnancy category B. Diclectin (pyridoxine plus doxylamine) has more safety data and is the first-line antiemetic in pregnancy. For occasional motion sickness, dimenhydrinate is generally acceptable. Discuss with your doctor if you need it frequently.

What's the difference between Dramamine and Gravol?
They contain the same active ingredient, dimenhydrinate. The brand names are different. Gravol is the more common brand in Canada. Both are available in 50 mg tablets. They're interchangeable.

Can I give Dramamine to my child?
Yes, at age-appropriate doses. For children 6 to 12, 25 to 50 mg every 6 to 8 hours, maximum 150 mg per day. For children 2 to 6, 12.5 to 25 mg, maximum 75 mg per day. For children under 2, consult a doctor. Chewable tablets and liquid formulations are available for children who can't swallow pills.

Can I drink alcohol with Dramamine?
Not recommended. Alcohol adds to the sedation and impairment. One drink can feel like two or three. If you're on a cruise and plan to drink, consider using a scopolamine patch instead, which has less additive sedation with alcohol, or non-drug strategies.

Delivery Information Across Canada

We ship Dramamine and generic dimenhydrinate to all provinces and territories. Delivery times vary depending on how remote your location is:

• Ontario (Toronto, Ottawa, Mississauga): 5 to 7 days
• Quebec (Montreal, Quebec City, Laval): 5 to 7 days
• British Columbia (Vancouver, Victoria, Burnaby): 5 to 9 days
• Alberta (Calgary, Edmonton, Red Deer): 5 to 9 days
• Manitoba (Winnipeg, Brandon): 5 to 9 days
• Saskatchewan (Saskatoon, Regina): 5 to 9 days
• Nova Scotia (Halifax, Sydney): 5 to 9 days
• New Brunswick (Moncton, Fredericton): 5 to 9 days
• Newfoundland and Labrador (St. John's, Corner Brook): 7 to 14 days
• Prince Edward Island (Charlottetown): 7 to 14 days
• Yukon, Northwest Territories, Nunavut: 7 to 14 days

All shipments are packed discreetly with no branding or indication of contents on the outside.

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