Specialist Can Someone Help Me With Oral Ivermectin Does?

[Amba]

I have a 1ml syringe. On the packet it says give .5ml for a 1 kilo guinea. Does that mean I give her half the syringe? It's ORAL ivermectin.
My guinea is only 700grams, I'm really not sure what to give her? I didn't get it from the vet. The vet has tried to help many times and gave her revolution, but it didn't help.
Do I give it to my healthy guinea too?
She has mites, but they're not visible. She's 3 years old.

 

[Wiebke]

Hi! Could you please give us the name of the product and the concentration of the ivermectin, so our medical expert can check to make sure that the dose is effective. Could you please also post a picture if possible or at least describe how she is affected?
@Pebble

If several courses of revolution haven't helped, there could be another cause for her skin problems than mites, like fungal, microbial or dry skin issues. Has your guinea pig ever been checked for that? Please bear with us since treating for mange mites if she hasn't got any will not make her problems go away.

 

[Amba]

I'm sorry I didn't respond, I never forgot about your answer, but her behaviour keeps changing. I have tried ivermectin and revolution a few times each with no affect. When winter came, her fur grew back and she stopped scratching. Every so often she'll have a day where she scratches, and a bit of fur will be rubbed away, then it'll grow back. I've had a good look at her skin, it looks perfect, not dry and no flakes. It's very confusing. At the moment she isn't scratching.

 

[Wiebke]

I'm sorry I didn't respond, I never forgot about your answer, but her behaviour keeps changing. I have tried ivermectin and revolution a few times each with no affect. When winter came, her fur grew back and she stopped scratching. Every so often she'll have a day where she scratches, and a bit of fur will be rubbed away, then it'll grow back. I've had a good look at her skin, it looks perfect, not dry and no flakes. It's very confusing. At the moment she isn't scratching.

Have you considered that the itching could have other causes like fungal? would you consider a mild fungal dip like imaverol/enilconazole to see whether that makes a difference?

There is now a newly qualified small animals specialist in Perth (the very first at that end of the continent!). Perhaps you can try to get in contact with him? Dr James Haberfield

 

[Amba]

I think it might just be an unexplained allergy. She has been ok the last few weeks, but spring is coming. I'm hoping it wont flare up again. I've tried betadine at one point in case it was fungal, but it made no difference. I will try imaverol, if she gets uncomfortable again. Thank you!