This salt alternative could help reduce blood pressure. So why are so few people usingit?

Active ingredient(s): red-back spider antivenom (equine)

Consumer Medicine Information (CMI)

This leaflet provides important information about using Red Back Spider Antivenom. You should also speak to your doctor or pharmacist if you would like further information or if you have any concerns or questions about using Red Back Spider Antivenom.

Where to find information in this leaflet:

1. Why am I using Red Back Spider Antivenom?
2. What should I know before being given Red Back Spider Antivenom?
3. What if I am taking other medicines?
4. How is Red Back Spider Antivenom given?
5. What should I know while being given Red Back Spider Antivenom?
6. Are there any side effects?
7. Product details

1. Why am I using Red Back Spider Antivenom?

Red Back Spider Antivenom contains the active ingredient red back spider antivenom (equine). Red Back Spider Antivenom is an injection designed to help neutralise the effect of the poison (venom) of the red back spider.

Red Back Spider Antivenom is used to treat people who become ill after being bitten by a red back spider.

2. What should I know before being given Red Back Spider Antivenom?

Warnings

Red Back Spider Antivenom should not be given if:

You do not have any ill effects from the red back spider bite.
Always check the ingredients to make sure you can use this medicine although it can be an emergency life-saving product and should not be withheld from anyone who needs it.

Check with your doctor if you:

have any other medical conditions, especially the following: asthma, hayfever.
take any medicines for any other condition
have any allergies to any other medicines
have allergies to any other substances such as foods, preservatives or dyes
have ever received injections made from horse serum (such as snake bite antivenoms, and other antivenoms)
have ever had an anti-tetanus injection before 1974.

During treatment, you may be at risk of developing certain side effects. It is important you understand these risks and how to monitor for them. See additional information under Section 6. Are there any side effects?

Pregnancy and breastfeeding

Check with your doctor if you are pregnant or intend to become pregnant.

Talk to your doctor if you are breastfeeding or intend to breastfeed.

3. What if I am taking other medicines?

Tell your doctor or pharmacist if you are taking any other medicines, including any medicines, vitamins or supplements that you buy without a prescription from your pharmacy, supermarket or health food shop.

Check with your doctor or pharmacist if you are not sure about what medicines, vitamins or supplements you are taking and if these affect Red Back Spider Antivenom.

4. How is Red Back Spider Antivenom given?

How much is given

The dose for both adults and children is one vial (500 units). This dose can be repeated as necessary.
Your doctor will take precautions to counteract any allergic reactions if they should happen.

When is Red Back Spider Antivenom given

Red Back Spider Antivenom should only be given when you become ill after being bitten by a red back spider.

How to is Red Back Spider Antivenom given

This medicine is usually injected into a muscle, or in life-threatening cases may be diluted and given through a vein.
Red Back Spider Antivenom does not contain any antimicrobial preservative. It should be used once and any residue discarded.

5. What should I know while being given Red Back Spider Antivenom?

When medicines are produced in animals and injected into you, it is always possible that viruses or other substances could be present in the medicine and cause an illness. These could be viruses or other infectious agents which may not yet have been discovered. In the past, there have been no reports of this ever having happened with this product.

If you have any queries about any aspect of this medicine, or questions regarding information in this leaflet, discuss them with your doctor or pharmacist.

6. Are there any side effects?

All medicines can have side effects. If you do experience any side effects, most of them are minor and temporary. However, some side effects may need medical attention.

As the antivenom is made from horse serum, side effects occur more commonly in those who have allergies, particularly if they have ever had injections before which were also prepared from horses. Allergic reactions can be treated by your doctor.

See the information below and, if you need to, ask your doctor or pharmacist if you have any further questions about side effects.

Less serious side effects

Less serious side effects

What to do

local reaction around the injection site such as redness, tenderness, pain or discomfort, warmth, burning or stinging, swelling or the formation of hard lumps or scars (local injection site reactions).

These side effects are usually mild.

Speak to your doctor if you have any of these less serious side effects and they worry you.

Serious side effects

Serious side effects

What to do

sudden signs of allergy such as rash, itching or hives on the skin, swelling of the face, lips, tongue or other parts of the body, shortness of breath, wheezing or trouble breathing
rapid shallow breathing, cold clammy skin, a rapid, weak pulse, dizziness, weakness and fainting
pinkish, itchy swellings on the skin, also called hives or nettle rash
fever, swelling, skin rash, joint pains and swelling of the glands in the neck, armpit or groin, anytime up to two weeks after the injection
chest pain
high temperature

These may be serious side effects. You may need urgent medical attention.

Call your doctor straight away or go straight to the Emergency Department at your nearest hospital if you notice any of these serious side effects.

Tell your doctor or pharmacist if you notice anything else that may be making you feel unwell.

Other side effects not listed here may occur in some people.

Do not be alarmed by this list of possible side effects. You may not experience any of them.

Reporting side effects

After you have received medical advice for any side effects you experience, you can report side effects to the Therapeutic Goods Administration online at www.tga.gov.au/reporting-problems. By reporting side effects, you can help provide more information on the safety of this medicine.

Always make sure you speak to your doctor or pharmacist before you decide to stop taking any of your medicines.

7. Product details

This medicine is only available with a doctor’s prescription.

What Red Back Spider Antivenom contains

Active ingredient (main ingredient)	500 units of Red Back Spider Antivenom (equine)
Other ingredients (inactive ingredients)	sodium chloride phenol water for injections
Potential allergens	This product also contains substances from horse blood. The vial and all associated components do not contain natural rubber latex.

What Red Back Spider Antivenom looks like

Red Back Spider Antivenom is a colourless to light straw coloured, slightly viscous, transparent solution in a vial.

AUST R 74893.

Who distributes Red Back Spider Antivenom

Seqirus Pty Ltd
ABN 26 160 735 035
63 Poplar Road
Parkville 3052
Victoria
Australia

This leaflet was prepared in June 2021.

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