Eastern red cedar
Eastern red cedar


Eastern red cedar is a tree. The wood, berries, and leaves are used for medicine.

People take Eastern red cedar for cough, bronchitis, joint pain (rheumatism), water retention, and flatulence. They also take it to improve appetite and digestion, and as a treatment for fungal infections and worms.

People apply Eastern red cedar to the skin for wounds, skin rashes, hair loss, eczema, acne, warts, fungal skin infections, and hemorrhoids. They also rub it onto joints for rheumatism, and onto the chest for asthma.

In manufacturing, Eastern red cedar is used as a fragrance for soaps, perfumes, and cosmetics. The oil is also used as an insect repellant against moths, flour beetles, cockroaches, mosquitos, termites, and ants.
Eastern red cedar is POSSIBLY UNSAFE when taken by mouth in large amounts. Burning in the stomach, vomiting, convulsions, coma, and even death have been reported with overdose ingestion of Eastern red cedar essential oil.

There is not enough information to know if Eastern red cedar is safe when taken by mouth in small amounts or when applied to the skin.

Special Precautions & Warnings:

Pregnancy and breast-feeding: Eastern red cedar is LIKELY UNSAFE to use during pregnancy. It might cause abortion. Don't use it.

Breast-feeding: Not enough is known about the use of Eastern red cedar during breast-feeding. Stay on the safe side and avoid use.


NatMed Pro rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, Ineffective, and Insufficient Evidence to Rate.
Likely effective Effectiveness definitions
Possibly effective Effectiveness definitions
Likely ineffective Effectiveness definitions
Possibly ineffective Effectiveness definitions
Insufficient evidence Effectiveness definitions
  • Acne.
  • Bronchitis.
  • Cough.
  • Fungal infections.
  • Hair loss.
  • Helping appetite and digestion.
  • Joint pain (rheumatism).
  • Skin rash.
  • Warts.
  • Water retention.
  • Worms.
  • Other conditions.
More evidence is needed to rate the effectiveness of Eastern red cedar for these uses.

Dosing & administration

The appropriate dose of Eastern red cedar depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for Eastern red cedar. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.

Interactions with pharmaceuticals

Sedative medications (Barbiturates)

Interaction Rating=Minor Be watchful with this combination.

Some sedative medications are changed and broken down by the liver. Eastern red cedar essential oil might increase how quickly the liver breaks down these medications. Using Eastern red cedar essential oil with these medications might decrease how well these medications work.

Interactions with herbs & supplements

There are no known interactions with herbs and supplements.

Interactions with foods

There are no known interactions with foods.


There isn't enough information to know how Eastern red cedar might work as a medicine.
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This monograph was last reviewed on 16/12/2021 00:34:31. Monographs are reviewed and/or updated multiple times per month and at least once per year.
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