Contraception Factfiles

Question 1

Enzyme inducers effect on COC

Answer 1

Decreases efficacy

Question 2

Levonorgestrel missed pill

Answer 2

> 3 hours

Question 3

Desogestrel missed pill

Answer 3

> 12 hours

Question 4

Northisterone missed pill

Answer 4

> 3 hours

Question 5

What to do for a missed pill (POP)

Answer 5

Take next pill as soon as possible even if it means taking two pills in 24 hours. Barrier method is required for 48hrs

Question 6

Adverse effects of POP

Answer 6

Breast tenderness
Increased breast cancer risk
Changes in bleeding pattern

Question 7

POP interactions

Answer 7

Enzyme inducers
Griseofulvin- may reduce the effectiveness
Lamotrigine - Increases plasma levels of progesterone

Question 8

Levonelle time frame

Answer 8

72 hours

Question 9

Drug interactions of levonelle

Answer 9

Enzyme inducers

Question 10

Levonelle and enzyme inducers

Answer 10

give double dose

Question 11

levonelle and above 70kg/ BMI>26

Answer 11

Double dose (3mg)

Question 12

Levonelle starting/continuing contraception

Answer 12

12 hours after

Question 13

Ellaone timeframe

Answer 13

5 days

Question 14

Ellaone interactions

Answer 14

Drugs increasing gastric pH- PPI/H2RA

Question 15

Ellaone and Enzyme inducers

Answer 15

Not recommended

Question 16

Ellaone and body weight

Answer 16

Double dose not recommend. Potentially less effective if >85kg and BMI is above 30