The reference site for Meclizine

Meclizine (INN, or meclozine) is an antihistamine considered to be an antiemetic. It is sold under the brand names Bonine, Bonamine, Antivert, Postafen, Sea Legs, and Dramamine II (Less Drowsy Formulation).

WHAT IS MECLIZINE?

Meclizine is an antihistamine commonly used to control nausea, vomiting and dizziness.

Meclizine acts as a central nervous system depressant. It is believed that its therapeutic actions occur due to the drug’s drying effects and its ability to depress conduction of nerve messages in the inner ear.

Meclizine begins working about one hour after ingestion. It continues being effective for 8 to 24 hours.

Meclizine is sold under numerous commercial names, including Dramamine II®, Dramamine Less Drowsy®, Antivert®, Bonamine®, Bonikraft®, Emetostop®, Medivert® and Sea-Legs®.

 

Brand Name(s): Antivert; Bonine; Dramamine; D-Vert; Vertin
CAS nº: 569-65-3
(mek’ li zeen)

Product Info

The sections below will provide you with more specific information and guidelines related to meclizine and its correct use. Please read them carefully.

FDA Information

Meclizine has been approved by the FDA.

It is known by the over-the-counter name Bonine®. In the United States, the prescription brand name is Antivert®, amongst others.

Why is this medication prescribed?

Meclizine is used to prevent and treat nausea, vomiting, and dizziness caused by motion sickness.

It may also be used to reduce lightheadedness, dizziness, and loss of balance (vertigo) caused by diseases that affect the inner ear.

Meclizine acts as a central nervous system depressant. It is believed its therapeutic actions occur due to the drug’s drying effects and its ability to depress conduction of nerve messages in the inner ear.

It is most effective if taken before symptoms appear. Meclizine begins working about one hour after ingestion. It continues being effective for 8 to 24 hours.

Other uses for this medicine

This medication has not been approved for any alternative uses other than those mentioned in the “Why is this medication prescribed?” section below.

Dosage and using this medicine

USAGE

Meclizine comes as a regular and chewable tablet and in capsule form.

For motion sickness, meclizine should be taken 1 hour before you start to travel. Doses may be taken every 24 hours if needed.

For dizziness caused by an ear condition, follow your doctor’s directions.

Take meclizine exactly as directed by your doctor, and never take more or less of it or take it more often than what has been prescribed to you.

DOSAGE

For the prevention and treatment of nausea, vomiting, and/or vertigo associated with motion sickness, the usual oral dosage of meclizine hydrochloride in adults and children 12 years of age or older is 25–50 mg once daily or as directed by a physician.

For the prevention of motion sickness, 25–50 mg of the drug may be given 1 hour before exposure to motion.

For the control of vertigo associated with diseases affecting the vestibular system, the usual adult dosage is 25–100 mg daily, administered in divided doses.

However, always take meclizine exactly as prescribed by your doctor.

What special precautions should I follow?

BEFORE TAKING MECLIZINE:

Tell your doctor if you suffering from any of the following conditions: asthma, bronchitis, emphysema, or another lung disease; glaucoma; difficulty urinating or an enlarged prostate gland; or severe or chronic constipation.

You may require a dosage adjustment or special monitoring during treatment if you have any of the conditions listed above.

Meclizine is in the FDA pregnancy category B. This means that it is not expected to harm an unborn baby. Do not take meclizine without first talking to your doctor if you are pregnant.

Additionally, tt is not known whether meclizine passes into breast milk. Do not take meclizine without first talking to your doctor if you are breast-feeding a baby.

Meclizine is not approved for use by children younger than 12 years of age.

What should I do if I forget a dose?

Since meclizine is usually taken as needed, missing a dose is usually not a problem.

However, if you are taking meclizine on a regular schedule and you miss a dose, take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take only your next regularly scheduled dose.

Do not take a double dose of this medication.

What side effects can this medication cause?

Side effects from using meclizine may include:

drowsiness
stomach upset
headache
dry mouth

Tell your doctor if any of these symptoms are severe or do not go away:

drowsiness or dizziness
a dry mouth
blurred vision
nervousness
insomnia
constipation

If you experience any of the following symptoms, call your doctor immediately:

allergic reaction (difficulty breathing; closing of your throat; swelling of your lips; tongue;or face or hives)

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

What storage conditions are needed for this medicine?

Remember to keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom).

Throw away any medication that is outdated or no longer needed. If you have any queries, please talk to your pharmacist about the proper disposal of your medication.

In case of an emergency/overdose

In case of an overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.

Symptoms of overdose may include:

extreme drowsiness
seizures
hallucinations
decreased breathing

Product Images

PICTURES OF MECLIZINE PILLS

Below you will find images and specific information on the principal types of meclizine that exist, including their respective brand name(s), strength, inscription codes and manufacturers.

The information below includes general information and guidelines for patients taking this medication and should never be used to substitute professional medical advice that can be provided by a qualified physician or family doctor.

Name: MECLIZINE
Strength(s): 12.5 MG
Imprint: GG 141
Manufacturer: GENEVA PHARM.

Name: MECLIZINE
Strength(s): 12.5 MG
Imprint: 034 | par
Manufacturer: PAR PHARM.

Name: MECLIZINE
Strength(s): 12.5 MG
Imprint: SL 353
Manufacturer: SIDMAK LABS.

Name: ANTIVERT®
Strength(s): 25 MG
Imprint: ANTIVERT | 211
Manufacturer: PFIZER US PHARM.

Name: MECLIZINE
Strength(s): 25 MG
Imprint: A 117
Manufacturer: AMIDE PHARM.

Name: MECLIZINE
Strength(s): 25 MG
Imprint: 035 | par
Manufacturer: PAR PHARM.

Name: MECLIZINE
Strength(s): 25 MG
Imprint: GG 261
Manufacturer: SANDOZ

Name: MECLIZINE
Strength(s): 25 MG
Imprint: SL 354
Manufacturer: SIDMAK LABS.

Name: MECLIZINE
Strength(s): 25 MG
Imprint: WATSON 803
Manufacturer: WATSON LABS.

Name: ANTIVERT®
Strength(s): 50 MG
Imprint: ANTIVERT | 214
Manufacturer: PFIZER US PHARM.

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