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  • Vaginal pH Modulator A prescription gel used before sex that keeps vaginal pH acidic to disable sperm.
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Method
Vaginal pH Modulator A prescription gel used before sex that keeps vaginal pH acidic to disable sperm.
Second method

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EfficacyVaginal pH Modulator 86.3% typical use, over 7 menstrual cycles

Measured over 7 menstrual cycles, not over a year, so it cannot be compared directly with first-year rates.

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CostVaginal pH Modulator $0–$362 per package Insurance: Usually—
DurationVaginal pH Modulator Single use (one dose up to 1 hour before each act of sex)—
ReversibilityVaginal pH Modulator Reversible—
STI protectionVaginal pH Modulator No—
How it worksVaginal pH Modulator

A gel containing lactic acid, citric acid, and potassium bitartrate keeps vaginal pH in the normal acidic range even in the presence of semen, which reduces sperm motility.

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PrescriptionVaginal pH Modulator Required Telehealth Prescription—
Side effectsVaginal pH Modulator
  • Vaginal burning or irritation
  • Increased risk of urinary tract infection
  • Rare allergic reaction
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Who shouldn't use thisVaginal pH Modulator
  • Recurrent UTIs or urinary tract abnormalities (FDA label says avoid use)
  • Hypersensitivity to lactic acid, citric acid, or potassium bitartrate (FDA label says avoid use)
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