Medication information

Heparin Sodium USP 1000IU/mL injectable

This medication thins the blood and prevents blockage of blood vessels. It acts on certain blood elements involved in the coagulation process. Typically, it is used for the prevention of blood clots or for deep vein thrombosis (blood clots). It may also have other uses.

Instructions

This product must be injected under the skin (subcutaneously). Do not shake the container before use. To use:

  • if in an ampoule, break off the tip; if in a vial, clean the top with alcohol;
  • measure the prescribed dose carefully with a syringe;
  • clean the skin at the injection site with an alcohol swab;
  • pinch the skin and inject the medication into the fold

Wait at least one week before injecting the same site again.

Important: Follow the instructions on the label. Do not use more of this product, or more often, than prescribed. Avoid excessive alcohol consumption during treatment.

Side effects

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

  • it may cause bruising at the injection site;
  • it may reduce your blood clotting ability -- use extra caution to avoid injury.

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

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. Do not allow it to freeze. Make sure that any leftover portion is disposed of safely.

Additional Information

A treatment with this medication requires regular monitoring by a doctor. Be sure to see your doctor for all regularly scheduled appointments.

Advise your doctor if you notice any sign of bleeding, such as blood in your urine, black or red stools, excessive bruising for no reason, nose bleeds that do not resolve spontaneously or, in women, abnormally abundant and prolonged menstrual bleeding. Contact a doctor immediately if you notice sudden unusual headaches, weakness of an arm or leg, crooked mouth or difficulty speaking.

Seek immediate medical attention following a severe fall, especially if you hit your head.

Blood donation is usually refused during this treatment.

General notes

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.

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.