Psoriasis Tracker Template: Weekly PASI Score and BSA

A Daily Tracker Built Around PASI Body Regions, Not a Generic Skin Log

This psoriasis tracker template turns the vague “my skin is bad this week” conversation into something your dermatologist can act on. You log the same four PASI body regions, the same three components, and the same trigger list every week, so a flare in May reads in the same language as a flare in November.

into objective data.

This psoriasis tracker uses PASI gives you a structured way to track what matters.

If you have plaque psoriasis, you know the frustration of describing a flare at a dermatology appointment. It was bad. The plaques came back on your scalp. The ones on your elbows got worse after a stressful week. The biologic was working, then it was not, then it was. Your dermatologist needs a clearer picture than that to make treatment decisions, and you deserve a clearer picture of your own disease than memory can give you.

This template is built around the four body regions used in the Psoriasis Area and Severity Index, known as PASI: head, upper limbs, trunk, and lower limbs. PASI is the most widely used severity measure in clinical trials and in dermatology clinics. You are not going to calculate a full PASI score at home, but you can track the same four regions with the same components so that your log maps directly to the language your dermatologist uses.

Many people with psoriasis have spent years being told the plaques are cosmetic, or that diet alone should fix this, or that a flare is a sign they are not managing stress well enough. Psoriasis is a systemic immune-mediated disease, not a hygiene problem. Logging your skin is one of the few ways to bring objective weekly data into a 15 minute appointment and shift the conversation from impression to evidence.

Key Takeaways

Tracking by PASI body region lets your dermatologist compare your log directly to clinical severity measures.
Logging erythema, induration, and scaling separately shows which component is actually changing week to week.
Trigger tracking catches the stress, alcohol, weather, and infection patterns that often drive flares.
Weekly photos in consistent lighting are often more useful than any written score.
A three month log shows whether a new treatment is working in the way the clinical trial data suggested it should.

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Why This Psoriasis Tracker Template Uses PASI Regions and Components

PASI splits the body into four regions and evaluates three components for each region: redness (erythema), thickness (induration), and scaling. Each component is rated on a 0 to 4 scale, and the region is also assigned an area score. The full PASI is a weighted calculation that your dermatologist or a clinical trial site will do. You do not need the full score to track your own disease meaningfully. What you need is a consistent rating of the same components in the same regions each week.

Biologic treatments like adalimumab, secukinumab, ixekizumab, risankizumab, and guselkumab have been studied against PASI improvement targets in their trials. PASI 75 means a 75 percent improvement in total score, PASI 90 means 90 percent improvement, and PASI 100 means clear skin. The Dermatology Life Quality Index, or DLQI, is often tracked alongside PASI in trials and clinics.

What to Log Each Week

Rating Each Region on Three Components

For each of the four regions, rate erythema, induration, and scaling on a 0 to 4 scale where 0 is clear and 4 is severe. A region with no involvement at all is just a row of zeros. Write the numbers even when they do not change. A long string of identical numbers is itself meaningful data: it means things are stable.

Itch and Pain

Rate your overall itch on a 0 to 10 scale for the week. Same for any psoriasis related pain, especially if you have psoriatic arthritis symptoms in joints near the plaques.

DLQI Style Quick Check

On a 0 to 3 scale, rate how much your skin affected daily activities this week: work, social, clothing choices, sleep, exercise. This captures the quality of life piece that pure lesion scores can miss.

Possible Triggers

Note anything that might be driving a change. Stress, infection, strep, new medications, alcohol, cold or dry weather, a skin injury, stopping or starting a treatment. Over months of logging, the patterns become clear even if individual triggers look coincidental.

Current Treatment

Topical, phototherapy, oral systemic, biologic with the name, and how long you have been on it.

The Weekly Psoriasis Log

Week	Head	Upper limbs	Trunk	Lower limbs	Itch (0-10)	Triggers	Treatment
1	E/I/S ___/___/___	___/___/___	___/___/___	___/___/___	___	___________	___________
2	___/___/___	___/___/___	___/___/___	___/___/___	___	___________	___________
3	___/___/___	___/___/___	___/___/___	___/___/___	___	___________	___________
4	___/___/___	___/___/___	___/___/___	___/___/___	___	___________	___________
5	___/___/___	___/___/___	___/___/___	___/___/___	___	___________	___________
6	___/___/___	___/___/___	___/___/___	___/___/___	___	___________	___________

Each cell in the region columns is erythema/induration/scaling, in that order. Take weekly photos of any region where you can see meaningful change. Consistent lighting and angle matter more than perfect photography.

Pairing the Tracker With a Treatment and Quality of Life Log

Lesion scores tell only part of the story. If you are starting or switching biologics, pair this tracker with the psoriasis treatment log template so you can line up dose dates against the week the erythema or scaling actually shifted. For the daily impact piece, the psoriasis quality of life template uses a monthly DLQI-style score so itch, sleep, and clothing choices show up alongside the body region numbers.