Citricdrug info
citric acid 0.01 MG/MG / lactic acid 0.018 MG/MG / potassium bitartrate 0.004 MG/MG Vaginal Gel [Phexx]
What it is used for
PHEXX is indicated for the prevention of pregnancy in females of reproductive potential for use as an on-demand method of contraception. PHEXX is a combination of lactic acid, citric acid, and potassium bitartrate indicated for the prevention of pregnancy in females of reproductive potential for use as an on-demand method of contraception.
Limitations of Use: PHEXX is not effective for the prevention of pregnancy when administered after intercourse. Limitations of Use PHEXX is not effective for the prevention of pregnancy when administered after intercourse.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective May 2, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
PHEXX (lactic acid, citric acid, and potassium bitartrate) is a vaginal gel. PHEXX is an off-white to tan in color gel of uniform consistency, containing three active ingredients: lactic acid, citric acid, and potassium bitartrate. The structural formula for lactic acid is: Lactic acid is designated chemically as 2-hydroxypropanoic acid with an empirical formula of C 3 H 6 O 3 and a molecular weight of 90.08 g/mol. The structural formula for citric acid is: Citric acid is designated chemically as 2-hydroxypropane-1,2,3-tricarboxylic acid with an empirical formula of C 6 H 8 O 7 and a molecular weight of 192.124 g/mol. The structural formula for potassium bitartrate is: Potassium bitartrate is designated chemically as potassium; (2 R, 3 R )-2,3,4-trihydroxy-4-oxobutanoate with an empirical formula of KC 4 H 5 O 6 and a molecular weight of 188.177 g/mol. Each 5 gram dose is provided in a pre-filled single-dose applicator containing lactic acid USP (1.8% w/w), citric acid USP (1% w/w), and potassium bitartrate USP (0.4% w/w). Inactive ingredients present in the gel are: glycerin, alginic acid, xanthan gum, sodium hydroxide, benzoic acid, and purified water. Chemical Structure Chemical Structure Chemical Structure
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective May 2, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
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