Screening questionnaire

Where does your dog live? *

Your dog's date of birth (best guess is fine) *

Spayed or neutered? *

Current weight (lb) *

A recent vet weight or your best estimate.

Which best matches your dog's body shape? *

1UnderweightRibs and hips jut out2IdealVisible waist, ribs outlined, belly tucks up3OverweightSlight waist, ribs covered4Very overweightWaist barely visible, fat on back5ObeseNo waist, lots of fat6Severely obeseBelly bigger than chest

Has this dog, or another dog at this address, joined one of our studies before? *

Only one dog per household can join a study.

What does your dog mainly eat? (select all that apply) *

Is any of it a prescription, hydrolyzed, or novel-protein diet? *

When did you last change your dog's main food (brand or type, not amount)? *

Does your dog have any of these conditions? (select all that apply) *

Diagnosed by a veterinarian.

Has your dog had surgery in the last 3 months, or is surgery planned in the next 3 months? *

Routine dental cleaning counts.

In the last 4 weeks, has a veterinarian diagnosed or treated any of these? (select all that apply) *

Is your dog on a year-round flea and tick preventive from a veterinarian? *

Oral or topical, given on schedule.

Which of these describe your dog right now? (select all that apply) *

How long has the itching been going on? *

How old was your dog when the itching first started? *

Is the itching worse at certain times of year? *

Where is your dog itchy or irritated? (select all that apply) *

Does your dog spend most of the day indoors? *

When the itching first started, was the skin still normal-looking (itchy before any rash)? *

Over the past week, how itchy has your dog been? Scratching, biting, licking, chewing or rubbing all count. *

First PVAS10 baseline measurement. Choose the point on the scale that best matches your dog over the past week.

Face — hair loss *

First OA-SASI baseline measurement. Score what you see today.

Face — redness or irritation *

First OA-SASI baseline measurement. Score what you see today.

Face — thickened skin or bumps *

First OA-SASI baseline measurement. Score what you see today.

Ears — hair loss *

First OA-SASI baseline measurement. Score what you see today.

Ears — redness or irritation *

First OA-SASI baseline measurement. Score what you see today.

Ears — thickened skin or bumps *

First OA-SASI baseline measurement. Score what you see today.

Paws — hair loss *

First OA-SASI baseline measurement. Score what you see today.

Paws — redness or irritation *

First OA-SASI baseline measurement. Score what you see today.

Paws — thickened skin or bumps *

First OA-SASI baseline measurement. Score what you see today.

Limbs — hair loss *

First OA-SASI baseline measurement. Score what you see today.

Limbs — redness or irritation *

First OA-SASI baseline measurement. Score what you see today.

Limbs — thickened skin or bumps *

First OA-SASI baseline measurement. Score what you see today.

Underside — hair loss *

First OA-SASI baseline measurement. Score what you see today.

Underside — redness or irritation *

First OA-SASI baseline measurement. Score what you see today.

Underside — thickened skin or bumps *

First OA-SASI baseline measurement. Score what you see today.

Has your dog ever been on a strict elimination diet (hydrolyzed or novel protein, nothing else for 8+ weeks)? *

Does your dog also have frequent loose stool, diarrhea, vomiting or a lot of gas? *

Has a veterinarian told you your dog has atopic dermatitis, environmental allergies, or allergic skin disease? *

Has your dog had allergy testing (blood or skin test)? *

Which of these is your dog getting for itching now? (select all that apply) *

The study has two baseline assessments about a week apart, then 6 weeks of daily capsules with check-ins at weeks 2, 4 and 6. Can you do this? *

How did you hear about this study?