Help Investigate Whether a Med Is Derived From Animals

Some patients will ask you if their meds contain ingredients from animal sources.

People may need or want to avoid products derived from animals due to religious beliefs...an allergy...or personal preferences.

For instance, Thyroid comes from desiccated pig thyroid...enoxaparin from pig intestines...Premarin from pregnant mares’ urine...and some flu vaccines are grown in chicken eggs (Afluria Tetra, etc).

Document details about these allergies or preferences...so products with ingredients from animals can be avoided, if needed.

For example, calcium can come from oyster shells...chondroitin from bovine cartilage...and glucosamine from shellfish.

Review a product’s ingredients in the package insert...or contact the manufacturer to ask if it contains animal products.

Be aware that many capsule shells contain gelatin...which can come from pigs or cows. For instance, the gelatin used in Nature’s Way herbal products is derived from pigs and cows.

Help identify alternatives if a product can’t be used for a patient due to animal ingredients.

For example, a capsule may be able to be changed to another dosage form (tablet, etc)...or some patients may be okay emptying the contents from a capsule for administration.

In other cases, patients may need a different product...such as levothyroxine (Synthroid, etc) instead of Thyroid.

Or a patient may prefer Flucelvax Quadrivalent...the egg-free flu vaccine.

Don’t be surprised if patients ask about specialty supplement manufacturers, such as Future Kind for vegans...Now’s kosher products for Jewish people...or iCare Naturals halal supplements for Muslims. Be ready to order items, if requested.

Become a pro at updating profiles with allergies, preferences, and other key info with our resource, Patient Profiles 101

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Key References

  • ISMP Med Safety Alert! Community/Ambul Care 2022;21(4):1-5
  • Prescriber. 2016 Dec;27(12):47-51
  • BMC Med Ethics. 2013 Dec 1;14:48
  • Orthopedics. 2011 Apr;34(4):292-5
Pharmacy Technician's Letter Canada. August 2022, No. 380810



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