Carrageenan - Aleve PM (Diphenhydramine Hydrochloride, Naproxen Sodium) Interaction
Herbal: Carrageenan
Drug: Diphenhydramine Hydrochloride, Naproxen Sodium
Brand names:
Aleve PM

Medical Content Editor Dr. Brian Staiger, PharmD
Last updated
May 04, 2025
Interaction Details
Diphenhydramine Hydrochloride, Naproxen Sodium is classified as belonging to the following category: Anticoagulant/Antiplatelet Drugs
Theoretically, carrageenan may increase the risk of bleeding in patients taking anticoagulant or antiplatelet drugs.
Laboratory research suggests that carrageenan has anticoagulant effects. However, this has not been reported in humans.
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
- Fetrow CW, Avila JR. Professional's Handbook of Complementary & Alternative Medicines. 1st ed. Springhouse, PA: Springhouse Corp., 1999.
Carrageenan - More Interactions
Carrageenan interacts with 121 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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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.
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Drug descriptions are provided by MedlinePlus.