Description
Carboxymethylcellulose
Carboxymethylcellulose (CMC) is a thickening agent that is made by reacting CELLULOSE (wood pulp, cotton lint) with a derivative of acetic acid (the acid in vinegar). It is also called cellulose gum.
CMC has long been considered safe, but a 2015 study funded by the National Institutes of Health raised some doubts. It found that both CMC and another emulsifier (polysorbate 80) affected gut bacteria and triggered inflammatory bowel disease symptoms and other changes in the gut, as well as obesity and a set of obesity-related disease risk factors known as metabolic syndrome. In mice that were predisposed to colitis, the emulsifiers promoted the disease. It is possible that polysorbates, CMC, and other emulsifiers act like detergents to disrupt the mucous layer that lines the gut, and that the results of the study may apply to other emulsifiers as well. Research is needed to determine long-term effects of these and other emulsifiers at levels that people consume.
CMC is not absorbed or digested, so the FDA allows it to be included with “dietary fiber” on food labels. CMC isn’t as healthful as fiber that comes from natural foods.
Carboxymethylcellulose
uses Carboxymethylcellulose
is medication is used to relieve dry, irritated eyes. Common causes for dry eyes include wind, sun, heating/air conditioning, computer use/reading, and certain medications.This product may contain 1 or more of the following ingredients: carboxymethylcellulose, dextran, glycerin, hypromellose, polyethylene glycol 400 (PEG 400), polysorbate, polyvinyl alcohol, povidone, or propylene glycol, among others.Eye lubricants keep the eye moist, help to protect the eye from injury and infection, and decrease symptoms of dry eyes such as burning, itching, and feeling as if something is in the eye.
How to use Carboxymethylcellulose Sodium 0.5 % Eye Drops Artificial Tear Solution
Follow all directions on the product package. If your doctor has prescribed this medication, use this medication in the affected eye(s) as directed by your doctor. If you have any questions, ask your doctor or pharmacist.
Do not use a solution that has changed color or is cloudy. Certain brands (containing glycerin with polysorbates, among other ingredients) may have a milky appearance. This is okay as long as the solution does not change color. Some eye drops need to be shaken before use. Check the label to see if you should shake your product before using.
To apply eye ointment/drops/gels:
Wash hands first. To avoid contamination, do not touch the dropper tip or the tube tip of the ointment or let it touch your eye or any other surface. Always replace the cap tightly after each use. Tilt your head back, look up, and pull down the lower eyelid to make a pouch. For drops/gels, place the dropper directly over the eye and squeeze out 1 or 2 drops as needed. Look down and gently close your eye for 1 or 2 minutes. Place one finger at the corner of the eye near the nose and apply gentle pressure. This will prevent the medication from draining away from the eye. For an ointment, hold the tube directly over the eye and gently squeeze a small strip (one-fourth of an inch or roughly 6 millimeters) of ointment into the pouch. Release the eyelid, close the eye, and slowly roll your eye in all directions to spread the medication. Blot away any extra ointment from around the eye with a clean tissue.
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