Reduce the risk of this by making sure you drink a full glass of water when taking your tablet, and by standing up slowly if you have been sitting or lying down for a long time.
Yehlisa ubungozi balokhu ngokuqiniseka ukuthi uphuza ingilazi ephelele yamanzi lapho uthatha ithebhulethi yakho, nangokuma kancane uma ngabe uhleli noma ulele phansi isikhathi eside.