Brand: Antivert

Drug Type: Antihistamine

Form: Tablet

Age limit: 12 years and above

SKU: N/A Category: Tag:

Meclizine HCI 12.5 is useful in treating motion sickness and vertigo. It blocks the action of histamine, a chemical that controls balance and nausea. It is also known to make one drowsy. The effects of this medication last from anywhere between eight to twenty-four hours. It takes about an hour for this medicine to have its effect. 


Administer Meclizine HCI 12.5 by mouth. It is taken an hour or so before travel. The dosing instructions are explained to the patient depending on the condition it is used to treat. It is in addition to the side effects of the drug. One should take this medication until the doctor sees fit. The doctor is in charge of the prescription. 


The side effects of Meclizine HCI 12.5 appear differently in people. The side effects are mentioned below:

  1. Dry mouth
  2. Headache
  3. Blurry vision
  4. Vomiting
  5. Drowsiness
  6. Fast heartbeat
  7. Hives

The doctor knows how to manage the side effects. Visit the expert in case the side effects persist for a long time.


The dosage depends on the severity and the patients response. For motion sickness-related nausea, vomiting, and dizziness-

Adults: Take 25 to 50 mg initially, 1 hour before departure. While traveling, you may take an additional dose once every 24 hours.

Children 12 years and older- The doctor will determine the use and dosage.

The use of children under the age of 12 is not advised.

  • For dizziness-

Adults: 25 to 100 mg per day, split into smaller doses.

Children- The doctor should determine the use and dosage.


  1. Adverse side effects of combining Meclizine HCI 12.5 with other medicines exist. Book an appointment with the doctor if these side effects occur.
  2. One should not consume alcoholic beverages when taking this medication. 
  3. It is best to not give this medicine to children below the age of 12.
  4. This medication should be used with caution in patients with asthma, glaucoma, or enlargement of the prostate gland due to its potential anticholinergic activity.
  5. This medication can make the mucus in your lungs thicker. You can find it difficult to breathe as a result. Before beginning this medication, discuss with your doctor if you have any breathing issues, such as asthma or chronic obstructive pulmonary disease (COPD).

The doctor is the authority on what to avoid when taking this medication. Some precautions heeded are for a better outcome.


Meclizine HCI 12.5 interacts with other medicines and can reduce the effectiveness of the medication taken. The doctor informs the patient about the drugs that should not be mixed. The other drugs it interacts with stated below:

  1. Zaleplon
  2. Haloperidol
  3. Doxepin
  4. Baclofen
  5. Cyclobenzaprine
  6. Risperidone
  7. Codeine
  8. Diazepam
  9. Lithium

The diseases that interact with this medicine are Asthma, Cardiovascular disease, and Liver disease.  


Active Ingredient Inactive Ingredients
Meclizine Hydrochloride Dicalcium phosphate
Magnesium stearate
Stearic acid
Silicon dioxide
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