Dozol Sugar Free Oral Solution (100ml). Only one pack of paracetamol products per order.. Dozol is a caramel flavoured sugar free oral solution.. This medicine contains two different active ingredients - paracetamol and diphenhydramine. Like all medicines these ingredients may cause harm in overdose.. Paracetamol is a pain killer and provides effective relief of teething pains, irritability after an immunisation, aches or pains. It also lowers high temperatures.. Diphenhydramine hydrochloride is an antihistamine, which provides relief of sleeplessness as a result of the conditions listed above.