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FirmTech for Clinicians

Side effects

Erection ring side effects and safe wear times

The most commonly reported erection ring side effect is discomfort from wearing a ring too long or too tight, and in a published TechRing study only two users reported mild discomfort after more than 4 hours, which resolved on removal.

Last updated: Published by FirmTech

Are erection rings safe, and what are the side effects?

Used as directed, a well-fitted ring is generally low risk, but discomfort is possible, especially with long wear or excessive tightness. FirmTech publishes wear limits for each ring: up to 12 hours for the TechRing and Performance Ring, and up to 90 minutes for the tighter MaxPR. Remove any ring that hurts.

Numbers

Safe wear time for each FirmTech ring

  • TechRingUp to 12 hoursTightness 3 of 5, secure
  • Performance RingUp to 12 hoursTightness 3 of 5, comfort
  • MaxPRUp to 90 minutesTightness 5 of 5, tightest

Evidence cards

What published research reports

Definition card

What can cause side effects

A constriction ring works by slowing blood leaving the penis, so problems usually come from too much pressure or too much time. Wearing a ring tighter than needed, past its stated wear limit, or with the wrong lubricant can cause discomfort or damage the ring. FirmTech rings are latex-free and phthalate-free medical-grade elastomer, which matters for men with latex sensitivity. FirmTech says its rings do not restrict ejaculation.

Who should ask first

Who should talk to a doctor before using an erection ring?

Men with a bleeding disorder or who take blood thinners should consult a doctor before using any constriction ring, and FirmTech recommends the same. Anyone already on ED medication or other treatment should also ask, since many men use FirmTech rings alongside other treatments with their doctor’s guidance.

  1. Rule 1

    Fit it correctly

    Snug, not tight. Use the adjustable strap and check the size chart.

  2. Rule 2

    Respect the limit

    12 hours for the TechRing and Performance Ring, 90 minutes for the MaxPR.

  3. Rule 3

    Use the right lube

    Water- or silicone-based only. No coconut, CBD or other natural oils.

  4. Rule 4

    Remove if it hurts

    Take it off at any pain, numbness or discoloration.

Related: the ED ring size chart, the research summary, and the main guide to wearable ED devices.

FAQ

Common questions

Short answers to what clinicians and patients ask most. Read all 48 answers in the full FAQ.

What are the side effects of erection rings?

The most commonly reported issue is discomfort from pressure, especially with long wear. In a published review of the TechRing by Saffati and colleagues in Translational Andrology and Urology, only two users reported mild discomfort after more than 4 hours of use, which was easily resolved upon device removal. Follow each ring’s wear-time limit and remove it if anything hurts.

See this answer in the FAQ

How long can you safely wear an erection ring?

It depends on the ring. FirmTech lists a safe wear time of up to 12 hours for the TechRing and the Performance Ring, and up to 90 minutes for the MaxPR, its tightest ring. FirmTech presented research on the safety of a smart penile constriction ring worn overnight at AUA 2024 and ISSM.

See this answer in the FAQ

Who should not use a constriction ring?

Men with a bleeding disorder or who take blood thinners should talk to a doctor before using any constriction ring; FirmTech recommends consulting a doctor in those cases. More generally, anyone with a condition affecting circulation or sensation in the area should get personal advice from their clinician first.

See this answer in the FAQ

What are FirmTech rings made of?

Medical-grade elastomer that is phthalate-free and latex-free, with nothing hard or rigid. The TechRing is splashproof, and the Performance Ring and MaxPR are water resistant. Rinse with warm water and mild soap after each use and wipe dry. TechRing replacement sleeves are sold from $15, with replacement suggested about every 30 nights.

See this answer in the FAQ

Which lubricants are safe with an erection ring?

Water-based and silicone-based lubricants are safe with all FirmTech rings. Do not use natural oil lubricants such as coconut oil or CBD oil with any FirmTech ring. FirmTech sells Sliquid Naturals Silver, a silicone lubricant, from $18 for anyone who wants a compatible option.

See this answer in the FAQ

Is it safe to sleep in the TechRing?

Yes, according to FirmTech: the TechRing is designed and studied for overnight wear and is comfortable for up to 12 hours. The MaxPR is not suited to overnight wear because its safe wear time is up to 90 minutes. To sync a night of TechRing data, hold the button for 3 seconds, place it on the charger and open the app.

See this answer in the FAQ

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