Citric Acid Monohydrate
Citric Acid Monohydrate is a naturally occurring organic acid commonly used in pharmaceutical formulations as an excipient (inactive ingredient) to enhance stability, adjust pH, and improve taste. While not typically prescribed as a standalone medication, it serves important functions in drug manufacturing and certain clinical preparations.
Citric Acid Monohydrate is primarily used as a pharmaceutical excipient and acidulant rather than as a primary medication.
Key facts at a glance
- RxNorm
- 221079
- Generic
- Citric Acid Monohydrate
- Class
- pin-variant
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Used as an acidulant and pH adjuster in pharmaceutical formulations, effervescent tablets, and some electrolyte preparations. Also employed in clinical chemistry and as a flavoring agent in various medicinal preparations.
Acts as an acidifying agent to maintain optimal pH in formulations, enhance solubility of active ingredients, and may contribute to the effervescence of certain preparations. In clinical settings, it can participate in metabolic pathways as part of the citric acid cycle.
Generally recognized as safe (GRAS) by regulatory agencies when used in appropriate amounts. May cause dental erosion or gastrointestinal irritation if consumed in large quantities. Used in much smaller amounts as an inactive ingredient compared to standalone supplementation.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy