What Are Boric Acid Suppositories?
Boric acid suppositories are small capsules designed for vaginal use to support pH balance, manage vaginal odor, and provide relief from infections such as yeast infections or bacterial vaginosis. They contain boric acid, a naturally occurring compound found in seawater, known for its antifungal and antibacterial properties.
These suppositories are typically used when traditional treatments fall short, especially in recurrent or resistant infections.
Benefits of Boric Acid Vaginal Suppositories
Many women turn to boric acid suppositories as a natural and effective solution for:
- Vaginal odor control
- pH balance restoration
- Managing recurring yeast infections
- Post-intercourse freshness
- Refreshing during or after menstruation
They’re easy to use, often inserted at bedtime, and begin working overnight. Within a few days, many users report improved freshness and reduced discomfort.
How to Use Boric Acid Suppositories Safely
To get the best results:
- Wash your hands before and after inserting the suppository.
- Insert one suppository deep into the vagina at bedtime using clean fingers or an applicator.
- Wear a panty liner to catch any leakage, as the capsule may dissolve and release liquid overnight.
- Use the suppository once daily for up to 7-14 days, depending on your needs and your doctor’s guidance.
- Store in a cool, dry place and out of reach of children.
Important: For vaginal use only. Do not swallow.
If you or someone else accidentally ingests a suppository, contact a poison control center or seek emergency medical help immediately.

What Conditions Do Boric Acid Suppositories Help With?
These suppositories are best used as a complementary treatment or when other medications haven’t worked. Conditions include:
- Recurrent yeast infections, especially those caused by Candida glabrata, a strain more resistant to conventional antifungal drugs.
- Bacterial vaginosis (BV), often when associated with vaginal discharge or persistent odor.
- Odor after intimacy, menstruation, or swimming.
If you’re unsure about your symptoms or experience frequent infections, talk to your doctor before starting any treatment.
Are They Safe?
Generally, boric acid vaginal suppositories are safe for most women when used as directed. However, there are a few precautions:
- Do not use if you are pregnant or breastfeeding.
- Avoid during active menstruation if you use tampons (use pads or liners instead).
- Refrain from sexual intercourse, especially oral sex, during treatment to avoid skin irritation or accidental ingestion.
- Avoid use on broken or irritated skin.
Possible Side Effects
Like any treatment, some users may experience:
- Vaginal irritation or burning
- Watery vaginal discharge
- Skin irritation in sexual partners
If symptoms worsen or you experience persistent irritation, stop using and call your doctor.
Frequently Asked Questions
Can I use boric acid suppositories every day?
These are typically used for 7–14 days for acute symptoms or 2–3 times a week for maintenance. Do not exceed the recommended duration without consulting a healthcare professional.
Can I use them during my period?
Yes, but only with pads—not tampons. Tampons can interfere with the effectiveness and safety of the suppository.
Can I use them long-term?
Long-term use is sometimes recommended for recurring infections, but always under doctor supervision.
Can I have sex while using boric acid suppositories?
It’s best to wait until the suppository has fully dissolved (4–12 hours). Oral sex is not advised during this period due to potential toxicity.
When to Call Your Doctor
Contact your healthcare provider if you:
- Experience severe irritation, pain, or allergic reactions
- Have symptoms that do not improve within a few days
- Are unsure if your symptoms are from yeast infection or bacterial vaginosis
- Are pregnant, nursing, or planning pregnancy
Final Thoughts
Boric acid suppositories can be a powerful, doctor-recommended tool for managing vaginal health—especially for women dealing with persistent odor, discomfort, or recurrent infections. While they offer many benefits, they’re not a one-size-fits-all solution.
Always consult with your healthcare provider to determine if they’re right for you and use them responsibly to maintain a healthy, confident, and balanced intimate life.