Pregnancy Related Rashes

Question 1

What is this?

Answer 1

Polymorphic eruption of pregnancy

Question 2

What are characteristic features of Polymorphic eruption of pregnancy?

Answer 2

Urticarial papules

Wheals

Plaques

Question 3

When does polymorphic eruption of pregnancy typically present?

Answer 3

3rd trimester of pregnancy

Begins around abdominal striae with periumbilicial sparing

Question 4

What is the management of polymorphic eruption of pregnancy?

Answer 4

Generally improves towards the end of pregnancy or after birth

Topical emollients and steroids can be used

Oral steroids in severe cases

Question 5

What is A and B?

Answer 5

A= atopic eruption of pregnancy E type

B= atopic eruption of pregnancy P type

Question 6

What is the difference between E and P type?

Answer 6

E= eczematous, red, itchy, scaly lesions typically found on backs of knees, neck, underarms, chest and face

P=papular intensely itchy papules on trunk, back and limbs

Question 7

When does atopic eruption of pregnancy typically present?

Answer 7

Mostly in 1st and 2nd trimester

Can be in patient with or without a history of eczema

Question 8

What is the management of atopic eruption of pregnancy?

Answer 8

Topical steroids and emollients

Oral steroids if severe
Phototherap- UVB if severe

Question 9

What is this?

Answer 9

Melasma

Question 10

What is melasma?

Answer 10

Hyperpigmentation that occurs on the face during pregnancy

Normally symmetrical, flat and on sun exposed areas

Question 11

What is the management of melasma?

Answer 11

Avoid sun exposure and suncream

Make up to camoflauge

Question 12

What is this?

Answer 12

Pyogenic Granuloma

Question 13

What is a pyogenic granuloma?

Answer 13

Rapidly growing benign tumour of capillary blood vessels

Grows over 1-2 days

Common on fingers, upper chest, back, neck and face

Normally has a red appearance

Question 14

What is the management?

Answer 14

Can bleed or ulcerate if injured

If presents during pregnancy then normally self resolves

Must exclude malignancy

Question 15

What is this?

Answer 15

Pemphigoid Gestationis

Question 16

What is pemphigoid gestationis?

Answer 16

Autoimmune reaction during pregnancy

Autoantibodies are created in response to placental tissue and cause damage to the space between the dermis and epidermis

Typically onsets in 2nd/3rd trimester

Question 17

What are features of pemphigoid gestationis?

Answer 17

Initially red papular and blistering rashing around the umbilicus

Spreads across the body

Several fluid filled blisters form

Question 18

What is the treatment of pemphigoid gestationis?

Answer 18

Normally self resolves after pregnancy without scarring

During pregnancy

• topical emollients and steroids
• oral steroids
• immunosuppressants if steroids inadequate

Question 19

What are the effects of pemphigoid gestationis on the foetus?

Answer 19

IUGR

Preterm birth

Blistering rash on foetus post delivery