Interactions Flashcards
1
Q
What does it typically interact with?
A
Enzyme inducer
Griseofulvin
2
Q
Enzyme inducers
A
Carbamazepine
Griseofulvin
Phenytoin
Phenobarbital
St. Johns wort
Rifampicin
Rifabutin
3
Q
EHC
A
- Copper IUD
- 3 mg of levonorgestrel (unlicensed)
4
Q
Ulipristal
A
Efficacy reduced by drugs that increase gastric pH
- Antacids
- H2 receptor antagonists
- PPIs
5
Q
Regular contraception
A
Use until 4 weeks after stopping interacting drug
- Copper IUD
- Progesterone only injections
