SUN DAMAGE, TABLES

Mark F. Naylor, MD

Kevin C. Farmer, PhD

 

Table 1. Correlation of sunburn times with UV index for skin types 1 and 4.
EXPOSURE CATEGORIES
INDEX VALUES

MINUTES TO BURN FOR MOST SUSCEPTIBLE (SKIN TYPE 1)

MINUTES TO BURN FOR LESS SUSCEPTIBLE (SKIN TYPE 4)

Minimal

0-2

30

> 120

Low

3

20

90

 

4

15

75

Moderate

5

12

60

 

6

10

50

High

7

8.5

40

 

8

7.5

35

Very High

9

7

33

 

10

6

30

 

11

5.5

27

 

12

5

25

 

13

<5

23

 

14

4

21

 

15

<4

20


Table 2. Sun Protection Suggestions for Adults

DESIRED PROTECTION

CLOTHING RECOMMENDATIONS

RECOMMENDED SUNSCREEN

OUTDOOR ACTIVITY 10 AM to 2 PM

Maximum

Hat, protective clothing essential1

At least SPF 302,3

schedule at other times when possible

Moderate

Hat and shirt advisable to cover high exposure areas4

SPF 15

schedule at other times when possible

Minimal

Hat and shirt advisable to cover high exposure areas

SPF 8-15

schedule at other times when possible

1 Use a hat with a 2-3 inch all-around brim, and a shirt of heavy cotton fabric or equivalent (long sleeves desirable)
2 Sunscreen should be applied heavily in the early morning, then reapplied in the early afternoon on days of outdoor activity. More frequent application may be necessary if sweating, rubbing, or swimming is removing the sunscreen. At least daily application is recommended for 3 seasons of the year. For individuals living in the southern United States, this should be done year round.
3 Heavy make-up (preferably with some sunscreen in the formulation) in conjunction with a hat and protective clothing may be sufficient for women.
4 The face, shoulders, and bald spots are at greatest risk for actinic damage by virtue of geometry and lifetime exposures.

Table 3. Sun Protection Suggestions for Infants and Children

AGE GROUP

SKIN TYPE

SPECIAL CLOTHING RECOMMENDATIONS

SUNSCREEN TO USE

OUTDOOR ACTIVITY 10 AM to 2 PM

Infants (0-1 months)

all

complete physical coverage

not recommended

not applicable

Infants (1-12 months)

all

hats essential

at least 30 SPF

schedule at other times when possible

Toddlers (1-3 years)

1 to 3

hats advisable

at least 30 SPF

schedule at other times when possible

 

4 to 6

 

at least 15 SPF

schedule at other times when possible

Children (3-18 years)

1 to 3

T-shirt while swimming outdoors

at least 30 SPF

schedule at other times when possible

 

4 to 6

 

15 SPF recommended

schedule at other times when possible

 

Table 4. Drugs Associated with Photosensitivity Reactions [169]

CATEGORY

DRUG

Anti-infectives

amantadine

 

lomefloxacin, enoxacin, naldixic acid, ofoxacin, ciprofloxacin

 

sulfisoxazone, trimethoprim

 

democlocycline, doxycycline

 

chloroquine, pyrimethamine

 

griseofulvin, dapsone, pyrazinamide

Anti-inflammatory

desoximetasone, hydrocortisone

 

ibuprofen, piroxicam

Cardiovascular

amiodarone, quinidine

 

diltiazem, nifidipine

 

hydrochlorothiazide, triamterene

CNS Agents

carbamazepine, clomipramine

 

alprazolam, chlordiazepoxide

 

chlorpromazine, thioridazine

Miscellaneous

glyburide, chlorpropamide, tolbutamide, diphenhydramine

 

methotrexate, vinblastine, dacarbazine, flourouracil

 

etretinate, isotretinoin

Topical agents

tretinoin, coal tar, benzoyl peroxide

Other misc. agents

gold salts, minoxidil, psoralens


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