3 - Topical Minoxidil

Question 1

Minoxidil is available as a 2% and 5% solution and 5% foam

Answer 1

True

Question 2

Minoxidil increases the duration of the anagen growth phase and gradually enlarges miniaturised hair follicles (vellus hairs) into mature terminal hairs

Answer 2

True

Question 3

Minoxidil is an ATP sensitive potassium channel opener

Answer 3

True

Question 4

Vascular endothelial growth factor (VEGF) is a proposed promoter of hair growth stimulated by the adenosine signalling pathways

Answer 4

True (hence mode of action of minoxidil)

Question 5

Minoxidil stimulates prostaglandins in the dermal papillae

Answer 5

True

Question 6

Minoxidil is indicated for male pattern androgenetic alopecia of the vertex of the scalp

Answer 6

True

Question 7

Minoxidil is most efficacious in the treatment of androgenetic alopecia affecting the crown area for up to 12 months

Answer 7

True

Question 8

Twice daily minoxidil therapy should be continued indefinitely as patients who go on to daily maintenance therapy beginning at 12 months may have decreased hair counts

Answer 8

True

Question 9

The 5% formulation is more superior than the 2% formulation in female pattern androgenetic alopecia

Answer 9

True

Question 10

Minoxidil may cause irritant dermatitis

Answer 10

True

Question 11

Minoxidil may cause allergic contact dermatitis

Answer 11

True

Question 12

Minoxidil may cause hypertrichosis of skin other than the scalp if there is inadvertent application to that site

Answer 12

True

Question 13

There is minimal systemic absorption of topical Minoxidil

Answer 13

True

Question 14

Less inadvertent application and systemic absorption may be expected from the foam vehicle than the solution

Answer 14

True

Question 15

Minoxidil is not recommended in pregnant and nursing women

Answer 15

True