I suspect it is dust mite allergy anyway and recommend getting tested for it. The test is quick and harmless, and once you have a proper diagnosis, you can take measures to reduce the allergic load in your place or start therapy.
Source: Am allergic to dust mites and was living with the symptoms for years before I got a diagnosis.
Relatable to everyone (telegra.ph)
Please, not again. (lemmy.world)
Edit: good to see I woke the shills