TABLE 1.
Clinical characteristics of patients with ketogenic diet-induced prurigo pigmentosa
| CASE | SEX/AGE | ETHNICITY | RASH DISTRIBUTION | RASH ONSET AFTER DIET INITIATION | TREATMENT | OUTCOME |
|---|---|---|---|---|---|---|
| 114 | M/17 | Caucasian | Trunk | 2 weeks | Doxycycline 100mg BID x 2 months, D/C diet | Resolution in 1 week with minimal PIH |
| 215 | F/16 | Middle Eastern | Trunk, neck | 1 month | Doxycycline 100mg QD x 2 months | Resolution in 10 days with PIH |
| 316 | F/43 | Chinese | Trunk | 3 weeks | Diphenhidramine, loratadine, topical steroids, D/C diet | Eventual resolution after D/C diet |
| 416 | M/18 | Japanese | Trunk, neck | 9 days | Increased carbohydrate intake to 90gm/d | Resolution in 18 days with PIH |
| 517 | F/25 | Middle Eastern | Trunk | 3 weeks | Clobetasol propionate BID, topical antibiotic, topical antifungal, D/C diet | Resolution in 2 months with PIH |
| 618 | F/26 | Middle Eastern | Trunk | 3 months | Doxycycline 100mg QD x 1 month, D/C diet | Resolution in 2 weeks with PIH |
| 718 | M/20 | Middle Eastern | Neck | 2 months | Doxycycline 100mg QD x 1 month, D/C diet | Resolution in 2 weeks with PIH |
| 818 | F/22 | Middle Eastern | Trunk, neck | 4 months | Doxycycline 100mg QD x 1 month, D/C diet | Resolution in 2 weeks with PIH |
| 919 | M/37 | N/A | Trunk | 3 weeks | Triamcinolone 0.1% cream QD, loratadine 10mg QD, D/C diet | Resolution in 1 month with PIH |
| 1020 | F/26 | N/A | Trunk | 3 weeks | D/C diet | Resolution in 2 days with PIH |
| 1121 | F/37 | Chinese | Trunk | 2 weeks | Doxycycline 100mg BID x 6 weeks, D/C diet | Resolution in 3 weeks |
| 1221 | F/19 | Chinese | Trunk | 2 weeks | Doxycycline 100mg QD x 6 weeks, D/C diet | Resolution in 2 weeks |
| 1321 | F/19 | Chinese | Trunk, suprapubic | 1 month | Doxycycline 100mg QD x 4 weeks, D/C diet | Resolution in 2 weeks |
| 1421 | F/22 | Hispanic | Trunk, arms | 2 weeks | Minocycline PO x 2 weeks, D/C diet | Resolution in 2 weeks with PIH |
| 1523 | F/21 | Chinese | Trunk, mons pubis, sacrum | 2 weeks | Topical steroids, D/C diet | Resolution in 1 week with PIH |
| 1624 | F/20s | N/A | Trunk, neck, face, scalp | 2 months | Doxycycline x 2 weeks, D/C diet | Resolution in 2 weeks |
| 1725 | F/24 | Black | Trunk, face | 2 weeks | Prednisolone 40mg taper x 2 weeks, minocycline 100mg BID x 4 weeks, D/C diet | Resolution in 1 month with PIH |
| 1826 | F/32 | Middle Eastern | Trunk | 3 weeks | Doxycycline 100mg QD x 1 month, D/C diet | Resolution in 4 weeks with PIH |
| 1927 | F/19 | Caucasian | Trunk, neck | 6 days | Minocycline 100mg QD x 3 weeks, prednisone 0.5 mg/kg/d taper, D/C diet | Resolution in 1 month with PIH |
M: male; F: female; N/A: not available; D/C: discontinue; PIH: postinflammatory hyperpigmentation