Drug dosages MCQs

Question 1

Azathiopine

Answer 1

50-150mg Start 50mg/day, increase to max 2-2.5mg/kg/day. 25/50mg tabs 70kg 150mg (3 tabs)

Question 2

Cyclosporine

Answer 2

75mg BD 2.5mg/kg/day in / dose (10) 25,50mg tabs 70kg 75mg BD

Question 3

Hydroxychloroquine

Answer 3

200mg BD (3-max 6.5mg/kg)

Question 4

Colchicine

Answer 4

500mcg (0.5mg/day incresed TDS)

Question 5

Dapsone

Answer 5

150mg OD (50-200mg) (0.5mg/kg)

Question 6

Methotrexate

Answer 6

10mg once/week Sat with 5mg Folic acid Sun. R/V 4/52 increase by 5mgs if required. Paeds max 25mg

Question 7

Mycophenolate

Answer 7

1.5g BD. 250mg BD 1/52, increasing to 500mg BD and then increase dose by 500mg every 4 weeks until effect of max dose 1.5g BD.

Question 8

Potassium Iodide

Answer 8

300mg TDS, starting 150-300mg TDS (1000mg/ml, 0.3ml= 300mg)

Question 9

Isotretinoin

Answer 9

10-40mg OD 0.2-0.5mg/kg (1mg/kg alternate days)

Question 10

Rituximab

Answer 10

1g (1000mg week 0+2, then 6/12 m as indicated)

Question 11

IVIG

Answer 11

1-2g/kg given over 3 days KD 2g/kg/d + repeated if needed. TEN 3g/kg 3d

Question 12

Acitretin

Answer 12

10-40mg (kids 0.5-1mg/kg max 35mg)

Question 13

Apremilast

Answer 13

30mg BD (10mg, 10 10, 10 20, 20 20, 20 30, 30 30

Question 14

Terbinafine

Answer 14

250mg OD, 125mg 20-40kg, 62.5 10-20kg

Question 15

Itraconazole

Answer 15

50mg lozanoc(100mg spironox)

Question 16

Fluconazole

Answer 16

150mg OD (sometimes stat dose)

Question 17

Griseofulvin

Answer 17

500mg-1g (10-20mg/kg, max 1g)

Question 18

Enstillar foam

Answer 18

0.5% bethamethasone dipropironate calcipotriol 0.005% 60g. 2sec= 0.5g , 1 can at least 4 days/ If spray 1 min, 15g- don’t use more than that in 1 day!

Question 19

Minoxidil

Answer 19

10mg tablet divided into 1mg or 2.5mg

Question 20

Spironolactone

Answer 20

25mg

Question 21

Cyclophosphamide

Answer 21

1-3mg/kg

Question 22

Whitfield’s ointment

Answer 22

3% SA 3% Benzoic acid in lanoin/ petrolium

Question 23

Pen G for syphilis

Answer 23

2/4 U/milion IV

Question 24

Flucloxacillin

Answer 24

250–500 mg every 6 hours. Maximum 4 g daily (1g kids)

Question 25

Keflex

Answer 25

500mg BD

Question 26

EES

Answer 26

250mg BD -QDS

Question 27

Doxycycline/ Minocycline

Answer 27

50-100mg

Question 28

Finasteride / Dutasteride

Answer 28

1mg/ml

Question 29

Propanalol

Answer 29

1mg/kg in 2 divided doses increasing to 2mg/kg if required

Question 30

Dithranol

Answer 30

0.05-0.1% long contact, 0.5% short contact

Question 31

Bleach

Answer 31

12ms in 10L (1/4 cup in 1/2 bath)

Question 32

Drichlor

Answer 32

aluminium chlorohexhydrate 20%

Question 33

Thalidomide

Answer 33

50-150mg OD

Question 34

Tacrolimus

Answer 34

0.1% in WSP (0.03% kids)

Question 35

Clobetasol

Answer 35

0.05%

Question 36

Retrieve

Answer 36

0.05%

Question 37

Valciclovir

Answer 37

1g BD (VZV TDS)

Question 38

Botox

Answer 38

100U/ vial. Add 4ml. 50 U each armpit, 25/25 2-4U (0.2) every cm2

Question 39

Wart off

Answer 39

20% SA, 12.5% LA podophyllon, resin 10%

Question 40

Imiquimod

Answer 40

5% OD M-F 6/52

Question 41

Azclear

Answer 41

Azeleic acid 20%

Question 42

Epiduo

Answer 42

Adapalene 0.1%, 2.5% Benzoyl Peroxidase. Forte 0.3% Adapalene

Question 43

Differin cream/ gel 0.1%

Answer 43

Adapalene 0.1%

Question 44

Duac

Answer 44

Benz 5%, Clinda 1%

Question 45

Topical ABX for acne

Answer 45

Erythromycin, Mino, Clinda (1%)

Question 46

Betnovate C

Answer 46

Bethamethasone valerate 0.1% + Cliquinol 3%

Question 47

BOZ

Answer 47

boric acid 0.25%, oive oil 25%, zinc oxide 7.5%

Question 48

Melasma Rx fader

Answer 48

2% hydroquinone--> 3% HQ, 0.3% tretinoin, 0.0#% Ascorbic acid

Question 49

Zyrtec

Answer 49

Citirizine, upto 40mg ON

Question 50

Telfast

Answer 50

Fexofenadine 360mg OM (180mg)

Question 51

Monteleukast

Answer 51

10mg ON

Question 52

Humira

Answer 52

Adalimumab, TNF alpha 80mg week 0,4 then every 2/52 for psoriasis, weekly for HS

Question 53

Stellara

Answer 53

Ustekinumab IL12/24 45mg (90 if >100kg) every 12 weeks (week 0,4 then 12)

Question 54

Gesulkumab

Answer 54

Tremfya IL23 100mg every 8/52. Week 0,4,12

Question 55

Risankizumab

Answer 55

Skyrizi IL23 75x2 150mg week 0,4,6 then every 12 weeks

Question 56

Tilldrakizumab

Answer 56

Ilumya IL23 100mg

Question 57

Ixekizumab

Answer 57

Taltz IL17 160mg every 4 wweeks (2x 80 week 0 then 1,2,3,4 tgeb 4 weekly) I

Question 58

Cosentyx

Answer 58

IL 17 300 (150x2) 0,1,2,3,4 then every 4 weeks , weekly for HS

Question 59

Omalizumab

Answer 59

Xolair, IgE, 150mg every 4/52

Question 60

Dupilumab

Answer 60

IL4,13 150x2 every 2 weeks (600mg initial)

Question 61

Rosex

Answer 61

0.75% Metronidazole

Question 62

Soolantra

Answer 62

Ivermectin 1%

Question 63

Bromodine

Answer 63

0.33% Mirvarso

Question 64

Lyclear

Answer 64

5% Permethrim

Question 65

DCPC

Answer 65

2% sensitise, then start 0.01% in WSP for warts, can start 0.0001%

Question 66

Topical Metronidazole

Answer 66

0.75%

Question 67

Topical Erythromycin

Answer 67

2%

Question 68

Clindamycin

Answer 68

1%

Question 69

Hydrocortisone

Answer 69

DermAid 1%

Question 70

Hydrocortisone acetate

Answer 70

1%, 30 g, 50 g, Cortic-DS, Sigmacort,

Question 71

Betamethasone dipropionate

Answer 71

0.05% Diprosone, Eleuphrat

Question 72

Betamethasone valerate

Answer 72

Antroquoril, Betnovate 1/5, Celestone-M, Cortival 1/5

Question 73

Ivermectin

Answer 73

3mg (200mcg/kg for strongyloides 1,2,8)

Question 74

Clotrimazole

Answer 74

1% Cannesten.

Question 75

2% Dactarin

Answer 75

Miconazole

Question 76

Resolve plus

Answer 76

Miconazole 2%, hydrocortisone (0.5-1%)