Routes of Drug Administration

The routes of drug administration is the way through which drug enter into our body. It is depends on the properties and nature of the drug. When a drug is given by mouth then it is called oral administration. This is the most frequent route of drug administration. Example: Tablets, Capsules, Chewable tablets. To obtain a local effect, special preparations like the ophthalmic solutions, but it should be remembered that a systemic diffusion is always possible after local administration.