Type

Scoring

Minor ulcer

1

Herpetiform

2

Major ulcer

3

Number of ulcers/ attack

1-3

1

4-6

2

7-9

3

9-12

4

More than 12

5

Duration of the attack

1-4 day

1

5-8 days

2

9-12 days

3

More than 12 days

4

Frequency (attack/date)

0-2 weeks

5

3-4 weeks

4

5-6 weeks

3

7-8 weeks

2

More than 8 weeks

1

Associated symptoms

Uncomfortable

1

Painful, but not interfere with eating or swallowing

2

Interfere with solid feeding

3

Interfere with liquid eating

4