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Tavist (Clemastine fumarate)

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What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.


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Tavist is an antihistamine that works by decreasing the impact of histamine, a naturally occurring chemical in the body. Histamine can cause symptoms like sneezing, itching, watery eyes, and a runny nose. Tavist is specially formulated to provide relief for symptoms commonly associated with the common cold or allergies. These symptoms include sneezing, a runny nose, watery eyes, itching, and other discomforts that may be related.

Fact Table
Formula C21H26ClNO•C4H4O4
License FDA Approved
Bioavailability Approximately 39% (oral)
Legal status Rx-Only
Chemical Name Clemastine fumarate
Elimination half-life 21 hours (range 12-24 hours)
Dosage (Strength) 1mg
Pregnancy consult a healthcare provider
Brands Tavist
Protein binding 95%
PubChem CID 2678
MedlinePlus a682544
ChEBI 3745
ATC code R06AA04
DrugBank DB00283
KEGG D03540
Routes of administration Oral

Buy Tavist (Clemastine fumarate) online from online Canadian Pharmacy |


For adults and children above 12 years old, the recommended Tavist dosage is one tablet taken twice daily. Remember not to exceed two tablets within a 24-hour timeframe. Following your doctor's instructions precisely is of utmost importance to minimize the possibility of any potential negative effects. It is crucial to stick to the recommended dosage guidelines to ensure your safety and well-being.


Active ingredient:

Clemastine Fumarate is the active ingredient in Tavist.

Inactive ingredient:

Corn starch, lactose monohydrate, magnesium stearate, and microcrystalline cellulose.


If you are allergic to Clemastine, avoid using Tavist.

If you have specific medical conditions such as bronchitis, emphysema, stomach ulcers or obstruction, glaucoma, or an enlarged prostate with urination problems, it is important to consult your doctor or pharmacist before you buy Tavist to determine whether it is safe for you to use.

Consult a doctor before using it during pregnancy or while breastfeeding.

Before giving Tavist to a child under 12 years old, consult a doctor.


It is important to be cautious when combining Tavist with other medications that cause drowsiness or slow down your breathing, as this can intensify those effects. Before taking Tavist Allergy alongside a sleeping pill, narcotic pain medication, muscle relaxant, or any medication for anxiety, depression, or seizures, it is advisable to consult your doctor.

Side Effects

Tavist medication may lead to common side effects such as drowsiness, headache, dry mouth, dizziness, and blurred vision. If you encounter any severe or long-lasting side effects, it is important to discontinue the medication and promptly seek medical attention from your doctor.

Frequently asked questions about Tavist

Is Tavist D still available?

As of this update, Tavist D isn't consistently available in all markets. It is important to regularly check your local pharmacies or online sources like CanPharm to see if you can buy Tavist D. Do remember that availability can vary over time and location.

What is the use of Tavist tablet?

Tavist, which contains the active ingredient clemastine, is an antihistamine that's used for alleviating symptoms associated with allergies. These symptoms can include sneezing, runny nose, itchy or watery eyes, hives, and itchy skin rashes. Tavist is known for its efficacy but it's vital to follow the correct Tavist dosage to achieve optimal results while minimizing potential side effects.

Is clemastine available over the counter?

Clemastine, the active ingredient in Tavist, is typically available over the counter. It's always prudent to check with your local or online pharmacies such as CanPharm for its current availability. Remember to adhere to the recommended dosage when using this Tavist medication to manage your allergy symptoms.

What is the generic for Tavist?

The generic name for Tavist is clemastine. Generics are bioequivalent versions of brand-name drugs, usually sold at a lower price. You can often find them at your local pharmacy or reputable online sources. If you're planning to switch from Tavist to its generic version, be sure to use the same dosage guidelines unless your pharmacist instructs otherwise.

What is the brand name for Tavist?

The brand name for the generic medication clemastine is Tavist. It's often sought-after for the relief it provides against a variety of allergy symptoms. If you are looking to buy Tavist, it's available at most pharmacies and online through online pharmacies such as CanPharm.

IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that drug use is safe, appropriate, or effective for you. See your healthcare professional for medical advice and treatment.