Vaginal suppositories are small, oval-shaped medications that you insert into the vagina, where they dissolve at body temperature and release medication directly where it’s needed. The process is straightforward once you know the basics: wash your hands, find a comfortable position, insert the suppository using an applicator or your finger, and lie down for at least 15 to 30 minutes while it dissolves. Most people find it easiest to do this right before bed.
Before You Start
Wash your hands thoroughly with soap and water. Then wash your vaginal area with mild soap and water and dry it completely. If your suppository comes with a plastic applicator, unwrap the suppository and place it into the open end of the applicator. If you’re inserting it manually (without an applicator), simply unwrap the suppository and hold it between your fingers.
Suppositories should be stored at room temperature, generally between 59°F and 86°F. If yours feels too soft to handle, you can run it under cool water for a moment or place it in the refrigerator briefly to firm it up. Keep it in its wrapper until you’re ready to use it.
Step-by-Step Insertion
Get into a comfortable position. Two options work well:
- Standing: Stand with your feet apart and knees slightly bent.
- Lying down: Lie on your back with your knees bent and legs slightly apart.
If you’re using an applicator, gently slide it into your vagina the same way you would a plastic tampon applicator. Push it in only as far as it goes comfortably, then press the plunger until it stops. This releases the suppository high into the vaginal canal, where it’s most effective. Remove the applicator and throw it away. Don’t rinse or reuse applicators unless specifically instructed to.
If you’re inserting manually, use your index or middle finger to push the suppository in as far as it will comfortably reach. The goal is to place it deep enough that it stays in position rather than sliding out.
Wash your hands again when you’re done.
Why Bedtime Works Best
The most common advice you’ll see is to use vaginal suppositories just before going to sleep. There’s a practical reason for this: lying flat keeps the medication in place while it dissolves and absorbs. If you stand or walk around shortly after insertion, gravity pulls the melting suppository downward, and much of it can leak out before the medication has time to work. The suppository typically takes 15 to 30 minutes to dissolve, so staying horizontal during that window makes a real difference in how much medication actually reaches the vaginal tissue.
Dealing With Leakage
Some leakage is completely normal. Even with perfect timing and positioning, the waxy or gel-like base of the suppository has to go somewhere once it melts. You’ll likely notice a white or off-white discharge in the hours after insertion. This isn’t a sign the medication didn’t work. It’s the carrier material leaving your body after the active ingredients have been absorbed.
Wearing a panty liner or thin sanitary pad will protect your underwear and bedding. Avoid using a tampon to manage the discharge, because tampons absorb the medication itself and reduce its effectiveness.
Using Suppositories During Your Period
Don’t skip doses during your menstrual period. Consistency matters for most vaginal medications, and interrupting treatment can reduce how well it works. Use sanitary pads instead of tampons throughout your course of treatment. Tampons sit in the vaginal canal and absorb the medication along with menstrual fluid, which can make your treatment less effective.
Sex, Tampons, and Other Timing Questions
It’s best to avoid sexual intercourse while you’re on a course of vaginal suppository treatment. If that’s not realistic, wait at least 30 minutes after insertion so the medication has time to dissolve and begin absorbing. Having sex too soon can physically dislodge the suppository or cause it to leak out before it’s had time to work. Some medications can also weaken latex condoms or cause irritation to a partner, so check the instructions that came with your specific product.
Avoid douching during treatment. Douching washes away the medication and disrupts the vaginal environment that many of these treatments are designed to restore.
Common Mistakes to Avoid
The most frequent issue is not inserting the suppository deep enough. If it sits too close to the vaginal opening, it’s more likely to slip out and less likely to deliver medication where it’s needed. Think of tampon depth as your reference point: if a tampon would feel uncomfortable at that depth, you haven’t gone far enough.
Another common mistake is stopping treatment early because symptoms improve. Antifungal and antibiotic suppositories typically need the full course to clear an infection, even if itching or discharge resolves within a day or two. Stopping early increases the chance the infection comes back.
Skipping hand washing before insertion can introduce bacteria into the vagina. This is especially important if you’re treating an existing infection, since adding new bacteria can complicate recovery. Clean hands before and after insertion is a simple step that protects you.
If the Suppository Falls Out
If a suppository slips out shortly after insertion (within a few minutes), you can reinsert it or use a new one if it’s visibly dirty or has been on the floor. If it falls out after 15 to 30 minutes, most of the medication has likely already begun absorbing, so reinsertion usually isn’t necessary. When in doubt, try again with a fresh suppository and focus on lying down immediately afterward to keep it in place.