How to use Panadol Extra with Optizorb? For oral administration only. Adults (including with elderly) and children aged 12 years and over: - 2 tablets up to 4 times daily. - Do not take more than 8 tablets in 24 hours. - Do not take more frequently than every 4 hours. - Do not use for longer than 7 days without asking your physician. Children - Do not give to children under 12 years.