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Why excipents are required in formulation of eye drops?

Responses (1)

kaismama 4 Sep 2013

Some are preservatives, some for prevention of bacteria, some carriers for the drug.

DzooBaby 4 Sep 2013

It is the same as with pills, there are extra ingredients to make a pill a pill. With eye drops it is usually preservatives and dilution agents to make a certain strength solution of medication. Dilutents make the drops a drop. Many medications are in powder form and must be mixed with liquid to make a drop solution-as KM said-a carrier for the drug.

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