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I am preparing a talk for a support group meeting on constipation - so
here is a resource I came across......


Bowel Management in Parkinson's Disease
Used in the UBC Movement Disorders Clinic, Vancouver
Susan Calne RN, Clinical Coordinator


The trick with constipation is prevention not damage control.
In Parkinsonism, the constipation is most often the result of your
intestines moving more slowly than normal because of your Parkinsonism,
the drugs you take, and your inability to take enough exercise or drink
enough fluids.  If you have Parkinsonism you must be particularly
careful about constipation in hot weather when you may be dehydrated.
Try the following in the order given.  Do not hesitate to call your
physician if your constipation is prolonged as it can lead to problems
that can be serious and need medical attention.

Fruit Lax Recipe
*       1 lb. of mixed dried fruits (your choice - they do not have to be
prunes)
*       Put the fruit in a bowl and cover it with cranberry juice and leave to
soak overnight.  You could also make some Senna tea and use this to soak
the fruit in (available from health food stores and in some pharmacies).
*       Process in a food processor or a blender, but leave it chunky.  Put it
in a plastic tub with a lid and keep it in the refrigerator.
*       Have at least half a cup for breakfast each day.
*       Use dried fruit as sweet snacks, but pay extra attention to dental
hygiene if you start to eat a lot.

Gas and Bloating
Do be careful not to use too much bran or bulking agents in your diet as
they can cause painful cramps, gas, and bloating.  If you do want to use
some, introduce it slowly - 1 teaspoon at a time on top of fruitlax or
cereal.  You must also be able to maintain a high fluid intake and take
regular exercise if you want the bran or bulking agents to work for you.
 You should avoid bran (including bran muffins), Metamucil, Perdiem and
other bulking agents if you have difficulty swallowing and/or choking
episodes.
There are several anti-gas products available from your pharmacy.  Hot
peppermint water made with peppermint oil is useful and a hot water
bottle or heating pad on the stomach can be comforting.

*       Stool softener:  there are several on the market.  These coat the
stool and make it more comfortable to pass.  You should use one
regularly and always if you have to take any medicine with codeine in it
(ie, Tylenol #3).
*       Milk of Magnesia at night
*       Vegetable laxative - Senakot
*       Stool softener and laxative - Senakot S
*       Glycerin suppositories:  use two, lubricate tip with KY jelly and
insert gently while sitting on the toilet.


Giving an Enema
For a constipated patient with Parkinson's, the tube of a standard Fleet
enema is not long enough.  A longer, reusable rectal tube should be
purchased.  The patient lies on a towel, on the left side, knees bent,
as close to the edge of the bed as possible.  The buttocks can be raised
(for gravity) on a plastic, covered pillow (a trash bag will do).  The
enema should be warmed, the rectal tube lubricated (KY jelly) and
inserted gently and slowly for as far as possible.  Give the enema
slowly and withdraw the tube.  Cover the patient and offer a heating pad
or hot water bottle for the tummy.  Encourage the patient to retain the
enema for as long as possible and then assist them to the commode or
toilet.  A successful enema will often yield more than one bowel
movement and so give them early in the day to avoid disturbing sleep.

Retention and Overflow
This is a situation where small amounts of watery stool seep around a
bolus of constipated stool.  It needs attention, most often with an
enema as the blockage is usually higher than can be reached with
suppositories.
We all need to be alert for the possibility of volvulus and obstruction.
 Parkinson patients are more prone to this for unknown reasons:  perhaps
the sluggish motility of the bowel.  By the time this develops, the
patient is often out of the hands of the neurologist and under the care
of a surgeon who may or may not know about the risk and mortality.