What is a suitable combined oral contraceptive pill in a patient who is taking hepatic enzyme-inducing drugs, such as carbamazepine, phenytoin, rifampicin or rifabutin?

This updated Medicines Q&A provides advice on a suitable oral contraceptive that can be used in a woman using an enzyme-inducing anti-epileptic or anti-tubercle drug.…

Is there a lactose-free hormone replacement therapy (HRT)?

This Medicines Q&A lists the currently available HRT preparations which contain lactose and suggests options for lactose-free alternatives.

Is there an interaction between St John's Wort and combined and progestogen only hormonal contraceptives?

This updated Medicines Q&A evaluates the available evidence regarding an interaction between St John’s Wort and combined and progestogen only hormonal contraceptives.

Safety in Lactation: Combined hormonal contraceptives

Combined hormonal contraceptives (CHC) are a combination of an oestrogen and progestogen administered either orally, transdermally or vaginally (via a vaginal ring). The oestrogen component…

Safety in Lactation: Female sex hormones

Oestrogens are normally used as postmenopausal hormone replacement (HRT) which is not relevant to breastfeeding Oestrogens used for other hormone replacement indications are covered in…