Consumer Medicine Information
This leaflet answers some common questions about Red Back Spider Antivenom.
It does not contain all the available information. It does not take the place of talking to your doctor or pharmacist.
All medicines have risks and benefits. Your doctor has weighed the risks of you having Red Back Spider Antivenom against the benefits they expect it will have.
If you have any concerns about this medicine, ask your doctor, nurse or pharmacist.
Keep this leaflet. You may need to read it again.
Red Back Spider Antivenom is given to those people who become ill after being bitten by a red back spider.
Not everyone who is bitten needs the antivenom as some people have only very mild effects from the bite or none at all. However some people can become very ill after being bitten and in these people it is essential to use an appropriate amount of antivenom to counteract the effects of the poison.
Red Back Spider Antivenom is an injection designed to help neutralise the effect of the poison (venom) of the red back spider.
It is made by immunising horses against the venom of the red back spider and then collecting that part of the horse’s blood which neutralises this poison.
The antivenom is purified and made into an injection for people who may need it after being bitten by a red back spider.
Ask your doctor if you have any questions about why this medicine has been given to you.
As there are sometimes unpleasant and dangerous reactions to the antivenom (see Side Effects), it should not be given to people who have no effects from the bite.
However as Red Back Spider Antivenom can be an emergency life-saving product, it should not be withheld from anyone who needs it.
Tell your doctor if:
If you have not told your doctor about any of the above, tell him/her before you are given Red Back Spider Antivenom.
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.
This medicine is usually injected into a muscle, or in life-threatening cases may be diluted and given via a vein.
Red Back Spider Antivenom does not contain any antimicrobial preservative. It should be used once and any residue discarded.
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.
Tell your doctor or pharmacist as soon as possible if you do not feel well after having Red Back Spider Antivenom.It may have unwanted side effects in some people. All medicines can have side effects. Sometimes they are serious, most of the time they are not. You may need medical treatment if you get some of the side effects.
As the injection 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.
Ask your doctor or pharmacist to answer any questions you have.
Tell your doctor or pharmacist if you notice any of the following and they worry you:
These side effects are usually mild.
Tell your doctor immediately if you notice any of the following:
These may be serious side effects. You may need urgent medical attention.
Tell your doctor or pharmacist if you notice anything that is making you feel unwell. Other side effects not listed above may also occur in some people.
Do not be alarmed by this list of possible side effects. You may not experience any of them.
Red Back Spider Antivenom is usually stored in a doctor’s surgery, hospital or ambulance. However, if you need to store it:
Do not use Red Back Spider Antivenom after the expiry date printed on the pack.
Do not use Red Back Spider Antivenom if the packaging is torn or shows signs of tampering.
Red Back Spider Antivenom is supplied in a vial.
Red Back Spider Antivenom is sponsored by:
ABN 99 051 588 348
45 Poplar Road
The Australian Registration Number is AUST R 74893.
This leaflet was prepared in October 2013.
Published by MIMS March 2014
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