https://www.nhs.uk/medicines/chlorphenamine-including-piriton/taking-chlorphenamine-with-other-medicines-and-herbal-supplements/
Taking chlorphenamine with other medicines and herbal supplements - NHS
NHS medicines information on possible interactions with chlorphenamine and other medicines, herbal remedies and supplements.
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https://www.healthdirect.gov.au/medicines/medicinal-product/aht,23503/chlorphenamine-dextromethorphan-pseudoephedrine
Chlorphenamine + dextromethorphan + pseudoephedrine | healthdirect
More information is available on Chlorphenamine + dextromethorphan + pseudoephedrine including side effects, age restrictions, food interactions, whether the...
dextromethorphanpseudoephedrinehealthdirect