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Canada Wide Pharmacy > Drug Category > Allergy Medication > Histantil or Equivalent

Histantil (Promethazine)

TypeDrug NameDosage 
Histantil50 mg

Generic Equivalent of Histantil

No generic equivalents of Histantil found.

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Histantil Tablet 50 mg

Common Uses

This medication is typically used to help induce sleep. It may also be used for allergies, to control nausea and vomiting or for itching. Its effects can be felt within 1 hour.

How to Use This Medication

This medication is typically used only once a day. However, your pharmacist may have suggested a different schedule that is more appropriate for you. Take it regularly and continuously to maintain its beneficial effects.

Important: Follow the instructions on the label. Do not use more of this product, or more often, than prescribed. It is not advisable to chew or crush this medication since it has an unpleasant taste.

This medication may be taken with or without food. Consuming alcohol may intensify the effect of this product. It is therefore advisable to avoid consuming alcohol or alcohol-containing products while taking this medication.

Possible Side Effects

In addition to its desired action, this medication may cause some side effects, notably:

  • It may cause dryness of the mouth.
  • It may cause headaches.
  • It may cause dizziness - use caution when getting up from a lying or sitting position.
  • It may make your skin more sensitive to UV rays (e.g., sunlight, tanning lamps) - avoid exposure to UV rays as much as possible and protect yourself when out in the sun.
  • It may cause weight gain, mostly with prolonged use.
  • It may cause drowsiness that lasts until the next day - use caution until you know how you will react.

Each person may react differently to a treatment. If you think this medication may be causing side effects (including those described here, or others), talk to your health care professional. He or she can help you to determine whether or not the medication is the source of the problem.

Storage Information

As with most medications, this product should be stored at room temperature. Store it in a secure location where it will not be exposed to excessive heat, moisture, or direct sunlight. Make sure that any leftover portion is disposed of safely.

Additional Information

This medication may interact with other medications or supplements, sometimes significantly. Many interactions, however, may be dealt with by a dosage adjustment or a change in medication schedule. Check with your pharmacist before using this medication in combination with any other medications (including non-prescription products), vitamins, or natural products.

General Information

When meeting with any health professional, it is important for you to share the following information:

  • Your medical history and allergies (medication, food, or other).
  • If you're pregnant or want to become pregnant, or if you're breastfeeding.
  • If you use tobacco or cannabis or its derivatives, or if you use recreational drugs.
  • The names of all the medications you take, whether you take them regularly or once in a while, including over-the-counter medications, vitamins, and natural health products.

It is also strongly recommended that you keep an up-to-date list of all the medications you take and carry it with you at all times. This could be useful if you have to see a health professional or need emergency care.

Important Safety Instructions

Keep all your medications out of the reach of children and pets and return any unused or expired medications to the pharmacy for proper disposal.

This document contains useful information for those taking this medication. It is not intended, in any way, to replace the advice of a trained health professional. For more information, consult the manufacturer's literature, where you will find additional information about uncommon side effects as well as contraindications associated with this product.

Reference

1. https://www.brunet.ca/en/health/medication-dictionary/histantil-tablet-50mg/00575186/

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