The following are the important characteristics of a solution:

1. It should be a homogenous mixture.
2. The particles of solute are not visible by naked eye.
3. It does not allow a beam of light to scatter.
4. It is stable.

Advantages

The advantages of a solution are as follows:

1. Uniformity of dosage
2. Faster absorption leading to quick onset of action
3. Pleasing appearance leading to enhanced patient compliance

Disadvantages

The disadvantages in using a solution are as follows:

1. It is less stable than solid dosage form.
2. Unpleasant flavors can be difficult to mask.
3. It is bulky to carry.
4. A dropper or measuring device is needed to administer the dose.
5. Accidental breakage leads to total loss of the contents.