How To Take Paracetamol Adults including the elderly & children aged 12 & over should take 2 tablets (whole not chewed) with a glass of water as needed every 4 hours. No more than 8 tablets should be taken in 24 hours. You should not continually take Paracetamol without seeking advice from your doctor. You should not take any other products that also contain paracetamol at the same time.