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Dr. Deb
Dr. Deb, Dog Veterinarian
Category: Dog
Satisfied Customers: 9750
Experience:  I have been a practicing veterinarian for over 30 years.
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My 13 year old Tibetan Terrier was diagnosed with Phelegan

Resolved Question:

My 13 year old Tibetan Terrier was diagnosed with Phelegan Vulagris three years ago and recovered well with medication. Last summer he tore his crucial ligament which has healed really well without operation as he was to unwell (crying when left and seemed to have depression if dogs can get this) . My problem now is that he has lost most of his fur from tail across the top of his back to neck. With our vet we have reduced his medication and now has no steroids and minimal dosage of Azathioprine. He has had two tests for hypertyrodism which has proved negative. Since the reduction of medication he is now back to his normal self apart from hair loss which is still occurring. Is there anything that can help with stop and restore his habit lost.
Submitted: 3 years ago.
Category: Dog
Expert:  Dr. Deb replied 3 years ago.

Hello, I'm Dr. Deb.
I recently came online and see that your question about your Tibetan Terrier hasn't been answered. I'm so sorry that you've had to wait for a response but if you still need assistance, I'd like to help if I can.

It sounds like he's quite a fighter and survivor to have gone through as much as he has.

I do have several thoughts about his hair loss if he's not itchy and the hair has become very thin or just falls out, especially if hypothyroid disease has been eliminated.
1. High dosages of immunosuppressive drugs can cause thinning hair and the inability of the body to regrow it. It's possible that with time, the hair will regrow but it can often take months to do so.

2. It's possible that he has developed Cushing's Disease secondary to the high steroid dosage that he was on...a concern when high doses of steroids are used for long periods of time. If this were the case, however, I would expect you to see other signs such as increased thirst or urination or increased hunger, although not all dogs present as we expect.
Blood work might be suggestive but usually additional testing would need to be done to confirm.

If he's itchy, then that raises a number of other possible causes including food or inhalant or flea allergies; however, such a condition would be much less likely in a dog this age with no previous problems of this sort....not unless you moved or have new carpeting or construction (something new in his world, in other words, to which he is now exposed).
Sarcoptes mange mites can cause intense itching for many dogs but I'm assuming that your vet has already considered this.

We're somewhat limited when it comes to options for hair regrowth in dogs. Human products such as Rogaine can be toxic to them. But, over the counter Melatonin can be used and has shown success in many cases for hair regrowth. The dose would be 3 mg twice a day although sedation can be seen in some cases. Since quality control issues abound with supplements, I recommend Nature's Bounty as a good brand name.
It also can take several months for improvement to be seen with this supplement.

I hope this helps. Again, my apologies for the delayed response. Deb

Customer: replied 3 years ago.
Thank you for your response. We think the likely cause is the high dose of steroids he was on although they had been reduced from initially 5 a day on first diagnoses to 1 a day after Phelegan Vulagris became under control and the blisters all healed. There was a huge lesion on his back during this time which healed and hair re grew. Yes he is a fighter as initially he was not expected to pull through and was seriously ill for approx three months. He is now not on any steroids and only takes half an azi every third day. His torn ligament has also fully healed after 4 months. I think I will just see if his hair regrows over the next few months, as stated he is now pretty much back to his old self prior to illness which is the main thing.
Expert:  Dr. Deb replied 3 years ago.


You're more than welcome.

His story is an amazing one, especially since he's doing so well now!

I might be tempted to see if the hair regrows on it's own as well although my experience with Melatonin has been a positive one for the most part in terms of side effects.

I hope he continues to do well. You must shower him with attention each and every day that you have him with you, given what he's gone through:) Deb

Customer: replied 3 years ago.
Thank you - he is well spoilt and with a very special personality. Do you think it is worth trying the melatonin? Regards Joan
Expert:  Dr. Deb replied 3 years ago.
Joan:
I would try the Melatonin, if this were my dog. It won't hurt. If he becomes a little too sedated when he takes it, then you could always decrease the dose or discontinue it.

You've got nothing to lose that I can see. Deb
Dr. Deb, Dog Veterinarian
Category: Dog
Satisfied Customers: 9750
Experience: I have been a practicing veterinarian for over 30 years.
Dr. Deb and 2 other Dog Specialists are ready to help you
Customer: replied 3 years ago.
Great thanks for all your help. Regards Joan
Expert:  Dr. Deb replied 3 years ago.

Joan:
My pleasure...and thanks for the rating; it's greatly appreciated.

Good luck:) Regards, Deb

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