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health advisory Hospital Doctor Yu 2007-11-8 19:09:02

Answers:

Could be for a number of reasons,

The coating can be used to control the speed of onset.

Some drugs are low melting and would cause problems in the tablet manufacture.

If the drug is a liquid or needs to be dosed in solution a liquid filled capsule can be used

If the drug is unstable in air, a capsule can be used to prolong shelf life.

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because some are meant to be a time release and some are meant to be absorbed right away

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Capsules are made up of gelatin cover that dissolves leaving the medicine. Some in slow released pellets.some medicine cant be made into tablet form,as they act best in powder form or pellet forms as they act best that way .

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capsules can be made of different materials and can also very in thickness. This allows it to be swallod easier by some but mainly its for weak or easily disturbed stomachs and digestive tracks.

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Some medicans need to get into your body faster and the capsules break down easier, and faster!

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There's always the 'first pass effect' to consider. Medicine in capsule form is better able to withstand the strong acidic environment in the stomach so that it will be absorbed in the intestines in a more or less intact form.

The tablet form is not designed to protect the medicine itself. Therefore, along its way to being absorbed by the body, some would be lost. Not to worry though. This should already be in the calculations of the drug manufacturer. However, there are still variations in the bodies of people. Thus, medicine in tablet form may not have the perfect effect on certain people.

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