Nutmeg - Acetaminophen, Doxylamine, Pseudoephedrine Interaction
Herbal: Nutmeg
Also Known As: Myristica fragrans, Buah Pala, Jaatipatree, Jaiphal, Jatiphal, Jatiphala, Jatiphalam, Magic, Muscade, Muscadier, Muskatbaum, Muskatnuss, Myristica, Myristica Oil, Noix de Muscade, Nuez Moscada, Nutmeg
Drug: Acetaminophen, Doxylamine, Pseudoephedrine
Brand names:
Ex Strength Tylenol Sinus Nighttime
Medical Content Editor Dr. Brian Staiger, PharmD
Last updated
May 04, 2025
Interaction Details
Acetaminophen, Doxylamine, Pseudoephedrine is classified as belonging to the following category: Cytochrome P450 1A2 (Cyp1A2) Substrates
Theoretically, nutmeg might decrease levels of drugs metabolized by CYP1A2.
Animal research suggests that intraperitoneal injections of myristicin, a constituent of nutmeg, can induce CYP1A2.
Interaction Rating
Likelihood of Occurrence
PossibleInteraction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
References
- Jeong HG, Yun CH. Induction of rat hepatic cytochrome P450 enzymes by myristicin. Biochem Biophys Res Commun 1995;217:966-71.
Interaction Details
Acetaminophen, Doxylamine, Pseudoephedrine is classified as belonging to the following category: Anticholinergic Drugs
Theoretically, concomitant use of nutmeg and anticholinergic drugs might decrease the effectiveness of either agent.
Animal research suggests that nutmeg extract can inhibit acetylcholinesterase and might increase acetylcholine levels.
Interaction Rating
Likelihood of Occurrence
PossibleInteraction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
References
- Mukherjee PK, Kumar V, Houghton PJ. Screening of Indian medicinal plants for acetylcholinesterase inhibitory activity. Phytother Res. 2007;21(12):1142-5.
Nutmeg Overview
Nutmeg is a spice that is made from the seed of the nutmeg tree (Myristica fragrans), which is native to Indonesia. The seed is often used as a spice.
Nutmeg has a long history of use in traditional medicine, and is purported to have a number of health benefits. It has been used as a natural remedy for digestive issues, including constipation, diarrhea, and bloating. It is also thought to have anti-inflammatory properties and may be helpful in reducing inflammation and swelling in the body.
It is important to note that large doses of nutmeg can be toxic, and it should be used sparingly.
Nutmeg - More Interactions
Nutmeg interacts with 523 drugs
Interaction Rating Key
These severity listings are for informational use only. Never start, stop or otherwise change your therapy before speaking with your provider.
| Major | The combined use of these agents is strongly discouraged as serious side effects or other negative outcomes could occur. |
| Moderate | Use cautiously under the care of a healthcare professional or avoid this combination. A significant interaction or negative outcome could occur. |
| Minor | Be aware that there is a chance of an interaction. Watch for warning signs of a potential interaction. |
| Unknown | No interactions have been reported or no interaction data is currently available. |
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Parts of this content are provided by the Therapeutic Research Center, LLC.
DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
© 2021 Therapeutic Research Center, LLC
Drug descriptions are provided by MedlinePlus.
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Dr. Brian Staiger, PharmD
In addition to being a clinical pharmacist specializing in pharmacotherapy, Dr. Brian Staiger is a registered herbalist through the American Herbalist Guild. He has combined his passion for pharmacy practice with the study of medical ethnobotany to improve patient care. Feel free to reach out about any of your herbal or medication questions!
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