Table 2.

Ten most common reasons for ambulatory visits to the dermatologist by age according to the National Ambulatory Medical Care Survey (NAMCS) between 2007 and 2018

Reason for visit	Unweighted frequency of visits	Weighted frequency in millions (95% CI)	Percentage of visits
0–18 years
Acne	684	15 (13–16)	28
Warts	198	4.0 (3.2–4.7)	7.7
Skin rash	154	3.3 (2.7–3.9)	6.4
Discoloration/abnormal pigmentation	109	2.2 (1.6–2.8)	4.3
Symptoms of skin moles	81	1.8 (1.3–2.4)	3.6
Skin lesion	88	1.8 (1.3–2.3)	3.5
Progress visit	90	1.7 (1.3–2.1)	3.3
Eczema and dermatitis	91	1.5 (1.1–1.9)	2.8
Medication, other and unspecified kinds	56	1.3 (0.78–1.8)	2.5
Swelling of skin	41	0.94 (0.58–1.3)	1.8
19–65 years
Skin examination	1197	25 (23–27)	7.7
Discoloration/abnormal pigmentation	1022	23 (21–25)	7.1
Acne	932	22 (20–23)	6.7
Progress visit	722	21 (18–24)	6.5
Skin lesion	1030	21 (19–23)	6.4
Skin rash	782	16 (15–18)	5.0
Symptoms of skin moles	528	13 (11–14)	4.0
Cyst	455	9.9 (8.8–11)	3.1
Other diseases of skin	496	9.3 (8.2–11)	2.9
Cancer, skin, and subcutaneous tissue	397	8.8 (7.4–10)	2.7
≥ 66 years
Skin lesion	963	21 (19–23)	10
Skin examination	940	19 (18–21)	9.6
Discoloration/abnormal pigmentation	736	17 (15–19)	8.3
Progress visit	604	16 (14–18)	7.8
Cancer, skin, and subcutaneous tissue	669	14 (12–15)	6.9
Skin rash	389	9.2 (7.9–11)	4.6
Other diseases of skin	363	6.9 (5.8–8.0)	3.4
Itching	211	5.7 (4.5–6.8)	2.8
Dryness, peeling, scaliness, roughness	233	5.6 (4.5–6.8)	2.8
Cyst	236	5.6 (4.6–6.6)	2.8

CI confidence interval