<p>Like all medicines, Strontium&nbsp;can cause side effects, although not everybody gets them. The most common side effects are nausea, diarrhoea, headache and skin irritation. However,these effects were mild and short-lived and usually did not cause the patients to stop taking their treatment. Other events less commonly reported included blood clots, fainting fit, memory troubles and, in rare cases, seizures. If any of the side effects gets serious, or if you notice any side effects not listed in this leaflet, please tell your doctor.</p>