propylene glycol in medicine?

Question

What is the reason for putting propylene glycol in allergy medicine? What exactly does the propylene glycol do?

i have searched and searched for the answer to this question and i have had no luck. so, thanks in advance for the help.

Answer 1

The Food and Drug Administration (FDA) has classified propylene glycol as an additive that is "generally recognized as safe" for use in food. It is used to absorb extra water and maintain moisture in certain medicines, cosmetics, or food products. It is a solvent for food colors and flavors.


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Answer 2

The U.S. Food and Drug Administration has determined propylene glycol to be "generally recognized as safe" for use in food, cosmetics, and medicines.

Answer 3

Propylene glycol is used:
As a moisturizer in medicines, cosmetics, food, and tobacco products
As a medical and sexual lubricant (A.K.A. "personal lubricant")
As a flavoring agent in Angostura and Orange bitters
As a solvent for food colors and flavourings
As a humectant food additive, labeled as E number E1520
As a carrier in fragrance oils
As a food grade antifreeze
In smoke machines to make artificial smoke for use in firefighters' training and theatrical productions
In hand sanitizers, antibacterial lotions, and saline solutions
As a main ingredient in many cosmetic products, including baby wipes, bubble baths, and shampoos
As the primary ingredient in the "paint" inside a paintball
As a base ingredient in aircraft deicing fluid and some automobile antifreezes
In cryonics
As a working fluid in hydraulic presses
To regulate humidity in a cigar humidor
As the killing and preserving agent in pitfall traps, usually used to capture ground beetles

Answer 4

In allergy meds that are used in the eyes, glycols are used as a vehicle for the dissolved active ingredients.

Answer 5

I'm not really sure why they would put it in allergy medicine, but it's in ice cream to keep it from freezing hard.

Answer 6

antifreeze?