[Helga]

Please try SULFUR.
These are the products I used. Sulfur was the SILVER BULLET for me:
1. Pierce’s “All Purpose NU-STOCK” 12 oz. This is a veterinary product available online thru Chewy.com etc. Apply small amounts to the skin where bitten or hives develop, and wipe off within 20-30 mins., keeping a close eye on how your skin responds. Warning – Test it first, some folks can be allergic. This paste/cream contains 73% sulfur, 25% mineral oil & 2% pine oil.
2. Veterinary Formula Clinical Care “Antiparasitic & Antiseborrheic Medicated Shampoo” for dogs, 16 oz. Contains coal tar, salicylic acid & micronized sulfur (1%). Leave on whilst showering for 5 mins. Again, keep an eye on to make sure your skin tolerates sulfur.
3. Humco (or whatever brand you find) “Sulfur USP. Sublimed Powder, Flowers of Sulfur” 4 oz. This is a backup for mixing in small amounts to the shampoo (which has only 1% sulfur) to increase sulfur content as needed/tolerated.

Lethal Temperatures, Methods:
1. A good chest freezer at lowest setting to reach the -5F/-20C that will kill Dermanyssus Gallinea and eggs when exposed for 24 hours. (Laboratory procedure. See Control of Poultry Mites (Dermanyssus), by O. Sparagano, Editor, 2014.) Recommend 72 hours for an object to reach required temp). E.g. Frigidaire model R600a.
2. Clothes dryer. 30 minutes at temp 120 or higher.

In my situation:
-Vacuuming did little to help.
-Pesticides, insecticides did not help.
-It is best to avoid carpets and rugs.
-I was never able to get a positive identification, but a mite had been found in a rat dropping.
-The offenders did not stray far from the food bowl (me). They were not “everywhere & in everything” as I had originally feared, but primarily in areas where there had been prolonged contact such as sheets, pillowcases, clothing, sofas, keyboard, tablet, phone.
-One of the cats appeared to be affected as well. The other not.
-The sulfur treatments took time (1 yr) to clear up the problem completely, but the effect was noticeable and immediate each time they were used. E.g. the itching from a fresh set of hives stopped completely within 3 minutes of applying the Nu-Stock cream. Gradually the hives & biting became less and less frequent.
-Patience pays off. They can’t multiply without a food source.
Hope this helps!

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