Dogs tend to react to allergens with skin symptoms, and even inhaled allergens such as pollen or dust can
trigger skin itching and other symptoms in dogs.
Not exact matches
These species and their relatives can creep under the toenails and invade other areas of the
skin, including the scalp and genitalia, where they
trigger ringworm and jock
itch.
Even if soy is not affecting your thyroid specifically, it can
trigger allergy symptoms, including acne, swelling, a stuffy nose, diarrhea, stomach pains, heart palpitations,
skin rashes,
itching, hives, swelling in the throat, fatigue, and episodes of low blood pressure.
Symptoms are usually
skin related —
itching, scratching, and rashes — but depending on the
trigger, they can also manifest as «hay fever» symptoms like watery eyes and sneezing.
An allergic reaction
triggers the release of a cascade of chemicals that are very irritating to the
skin, resulting in inflammation and intense pruritus, or
itching.
However, if you have someone in the family who is particularly vulnerable to such substances or is known to have allergies to such ingredients, then hypersensitivity reactions can ensue including
skin redness and
itching,
skin discoloration, and even the
triggering of asthma.
Bacterial infections can cause
itching and inflammation, and dry
skin or allergies may also
trigger itching and scratching.
Allergy Note: People who suffer from allergies, asthma, eczema, hay fever and
skin sensitivities may need to avoid essential oils; they could
trigger skin redness and
itching, or other symptoms.