Medicines, usually tablets, are packed in a blister pack

Medicines, usually tablets, are packed in a blister pack which are non-biodegradable but, it gives the protection from various risks like heat, moisture, etc.
What values are disturbed by these packaging and what are the levels of packaging required to pack medicines?

Such packaging disturbs the ecological values of surroundings, as non-biodegradable materials may become toxic and pollute the surroundings like soil or water. . .
Three levels of packaging are required to pack a medicine:
(i) Primary packaging It refer to the first envelop of the
(ii) Secondary packaging It refer to the cover or protection outside the primary level package, e.g. folding carton made of paperboard in which medicine is kept.
(iii) Transportation packaging For bulk handling of medicines, this packaging is required in the form of corrugated box or cartoons.