<p><strong>To prevent travel sickness on short journeys</strong>: Promethazine Theoclate should be taken at least one or two hours before travelling. Adults and children aged over 10 years&nbsp;should take one tablet. Children aged 5 to 10 years should be given half a tablet.<br />
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<strong>To prevent travel sickness on&nbsp;long journeys</strong>: Promethazine Theoclate should be taken at bedtime each night during the journey, starting&nbsp;the night before you travel.&nbsp;Adults and children&nbsp;aged over 10 years&nbsp;should take one tablet.&nbsp;Children aged 5 to 10 years should be given half a tablet.<br />
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<strong>To treat travel sickness</strong>:&nbsp;Adults and children over 10 years should take one tablet as soon as you feel sick, followed by a second tablet the same evening. Take a third tablet the following evening if necessary. Children aged 5 to 10 years should treated in the same way, but with half a tablet each time.<br />
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<strong>For sickness and vomiting due to other causes, and for treating vertigo</strong>: Adults and children aged over 10 years should take one tablet up to three times a&nbsp;day. Children aged 5 to 10 years should be given half a tablet up to three times a day.&nbsp;Alternatively&nbsp;you should follow the instructions given by your doctor.</p>