Taking or using oestrogen tablets, patches, gel and spray with other medicines and herbal supplements - Brand names: Oestrogel, Evorel, Sandrena, Lenzetto, Estradot, Progynova

Cautions with other medicines

There are some medicines that may affect how oestrogen works.

Tell your doctor or pharmacist if you're taking:

• medicines for epilepsy, such as phenytoin, carbamazepine or phenobarbital
• certain medicines for infections, such as rifampicin, rifabutin, nevirapine, efavirenz, ritonavir or nelfinavir

Mixing oestrogen tablets, patches, gel and spray with herbal remedies and supplements

There are several different herbal products sold to help relieve menopause symptoms. These include evening primrose oil, soya, red clover, black cohosh, ginseng and St John's wort.

All of these products might affect other medicines you're taking, so it's important to check with your doctor or pharmacist before starting to take them.

It's not possible to say that other herbal remedies and supplements are safe to take with oestrogen. They're not tested in the same way as pharmacy or prescription medicines. They're generally not tested for the effect they can have on other medicines.