Answer
St John's wort may increase the metabolism of the oestrogens and progestogens in Premique Low Dose, potentially reducing its effect and changing uterine bleeding patterns.
Sources for this answer
- Conjugated oestrogens/medroxyprogesterone acetate Pfizer 0.3mg/1.5mg modified-release tabletsPfizer Limited · emc · SmPC §4.5 Interaction with other medicinal products · Version 21Document updated
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