Non-opioid analgesics

Analgesic and antipyretic properties

An analgesic is described by its activity on pain, while an antipyretic acts on fever. Both properties may occur in the same medicine. The terminology does not mean that every medicine concerned has comparable anti-inflammatory activity. Paracetamol illustrates why these descriptions need to remain distinct. The symptom, the active substance and the authorised characteristics of a particular medicine are separate aspects of pharmaceutical interpretation, even when the medicines share a clinical context or a related symptom description.

Single ingredients and combination products

The international nonproprietary name identifies an active substance behind different trade names. Combination products contain more than one active ingredient and therefore need to be understood through their complete composition. A medicine combining an opioid with a non-opioid analgesic does not automatically belong in N02B. These distinctions matter when identifying an existing prescription and recognising the same ingredient in several medicines, especially where product names or packaging make their relationship less obvious to the reader.

Pharmaceutical forms and their practical meaning

Swallowed tablets, effervescent preparations, orodispersible forms, solutions and other administration routes have distinct pharmaceutical characteristics. The amount in one unit and the concentration of a liquid describe different quantities. Excipients, whether a tablet can be divided, and any preparation before administration belong to the medicine’s own documentation. For pharmacy teams, these features explain differences between presentations beyond the number of units in a pack, without reducing different formulations to a single interchangeable product.

Frequently asked questions