Pills, patches, eye drops… How the form of a drug affects its effectiveness

by time news

80% of pharmaceutical forms are oral medications. 575447333/July – stock.adobe.com

DECRYPTION – Choosing this or that pharmaceutical form owes nothing to chance: it counts as much as the active substance, because it allows it to reach its site of action at the right time, and at the right dose. Dive into the mysteries of galenic…

Did you know? Most rat poisons are based on warfarin, a molecule that you will be prescribed as an anticoagulant drug the day you have a pulmonary embolism. The difference between the two? The dose, of course. But above all, its presentation. What is called in the pharmaceutical world the “galenic form”. A much less trivial element than one might think…

“A medicine is an active substance and a galenic form. It is indeed the galenic form that makes the medicine”, explains P Patrick Couvreur, professor of pharmacy at the University of Paris-Saclay, member of the Academies of Medicine and Pharmacy. When we swallow a tablet for a headache, when we apply an ointment against eczema, when we put eye drops to treat conjunctivitis, when we use an aerosol against asthma, when we inject insulin , we use different dosage forms.

“The goal of these forms is to optimize administration…

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