From the FDA Drug Label
DESCRIPTION: INCURIN® (estriol) Tablets contain 1 mg of estriol per tablet. The FDA drug label does not answer the question.
From the Research
Over-the-counter estrogen is available in the form of phytoestrogens and weak estrogen creams, such as estriol, which can be found in vaginal creams in some countries without prescription. These OTC options are generally less potent than prescription estrogens and may provide modest relief for symptoms like vaginal dryness or mild hot flashes 1. Phytoestrogens can be found in supplements containing soy isoflavones, red clover, or black cohosh, which may help with mild menopausal symptoms. However, they typically don't deliver the same therapeutic effects as prescription-strength hormones.
Some key points to consider when using OTC estrogen products include:
- Availability varies by location, and not all products may be available in all areas
- These products are generally less potent than prescription estrogens and may not provide the same level of relief for symptoms
- Phytoestrogens and weak estrogen creams may interact with other medications or have side effects, so it's essential to consult with a healthcare provider before using them
- Prescription estrogens, such as estradiol and conjugated estrogens, are more effective and can be properly dosed for specific needs, especially for significant menopausal symptoms or other conditions requiring estrogen therapy 2, 3.
It's essential to note that while OTC estrogen products may provide some relief for mild menopausal symptoms, they may not be suitable for all women, especially those with a history of breast cancer, endometrial cancer, or other health conditions. Therefore, it's crucial to consult with a healthcare provider before using any estrogen product, especially if you're experiencing significant menopausal symptoms or other conditions requiring estrogen therapy.