About trastuzumab Who can and cannot have it How and when to have it Side effects Pregnancy, breastfeeding and fertility Taking it with other medicines and herbal supplements Common questions Related conditions Breast cancer in women Breast cancer in men Oesophageal cancer Stomach cancer Useful resources Trastuzumab – Cancer Research UK: charity www.cancerresearchuk.org Trastuzumab – Macmillan: cancer charity www.macmillan.org.uk