Cautions with other medicines
Many medicines can affect the way dosulepin works, and dosulepin can affect how other medicines work. Taking it with other medicines can increase the chances of side effects, and in some cases, cause serious side effects.
Make sure your doctor and pharmacist know what other medicines you are taking. This is important when you start or stop any other medicines, or when you have the dose changed.
Mixing dosulepin with herbal remedies and supplements
Do not take St John's wort, a herbal remedy for depression, while you're taking dosulepin. It'll increase your risk of side effects.
There's not enough information to say that other herbal remedies and supplements are safe to take with dosulepin. They're not tested in the same way as pharmacy and prescription medicines. They're generally not tested for the effect they have on other medicines.
Important: Medicine safety
Tell your doctor or pharmacist if you're taking any other medicines, including herbal medicines, vitamins or supplements.