IontoPatch Not Working? No Tingling, No Sensation, or No Light—How to Know It’s Working
You applied an IontoPatch, but you do not feel anything.
There is no tingling.
There is no buzzing.
There is no light.
And now you are wondering:
Is my IontoPatch actually working?
In most cases, the absence of sensation or a light is not evidence of a failed patch.
IontoPatch is intentionally designed to deliver medication using a very low electrical current over several hours. The manufacturer states that when the patch is applied and functioning properly, there is typically no noticeable feeling or sensation. A small number of patients may notice mild tingling, tugging, or pulling, but feeling electrical stimulation is not required.
Current IontoPatch STAT, IontoPatch 80, and IontoPatch Extra Strength patches also do not contain an LED treatment-status light or completion alarm.
So:
No tingling + no sensation + no light can all be completely normal with IontoPatch.
The better way to evaluate an IontoPatch treatment is to verify that the patch was prepared correctly, filled correctly, matched to the medication polarity, securely attached to intact skin, and worn for the prescribed model-specific treatment period.
For current models and specifications, see IontoPatch STAT, 80 & Extra Strength.
IontoPatch Troubleshooting: Quick Answer
| What you notice | Does it mean the patch failed? | What to do |
|---|---|---|
| No tingling | Usually no | Normal operation may be imperceptible |
| No sensation at all | Usually no | The manufacturer says this is typical. |
| No light | No | Current IontoPatch models do not have an LED. |
| No beep at completion | No | There is no completion alarm. |
| No immediate pain relief | No | Symptom response is not an operating indicator. |
| Mild tugging or tingling | Usually normal | Monitor unless it becomes painful. |
| Patch firmly attached and comfortable | Reassuring | Continue for the prescribed wear period |
| Patch significantly lifts or leaks. | Possible problem | Contact the treating professional |
| Medication placed in wrong chamber | Application error | Do not use/reuse the incorrectly prepared patch. |
| Strong burning or increasing pain | Not normal | Remove with soap and water and contact a clinician. |
| Blistering, marked swelling, or spreading rash | Not normal | Stop treatment and obtain medical guidance. |
Normal IontoPatch treatment usually produces little or no sensation, and it advises removal if unusual pain or discomfort develops.
Does IontoPatch Have a Light?
No—not the current IontoPatch STAT, IontoPatch 80, or IontoPatch Extra Strength models.
There is no:
- green “working” light;
- red error light;
- flashing treatment indicator;
- battery icon;
- progress display; or
- treatment-complete light.
IontoPatch FAQ specifically notes that IontoPatch does not provide a completion alarm or LED status display.
That means staring at the patch and waiting for something to illuminate will not tell you whether treatment has started.
Why do some people expect a light?
Because another iontophoresis product sold by Balego—ACTIVApatch IntelliDose 2.5—does include SmartPower LED feedback.
| Patch | Visible LED feedback? |
|---|---|
| IontoPatch STAT | No |
| IontoPatch 80 | No |
| IontoPatch Extra Strength | No |
| ACTIVApatch IontoGo 4.0 | No |
| ACTIVApatch IontoGo 12.0 | No |
| ACTIVApatch IntelliDose 2.5 | Yes. |
IntelliDose uses LED flash patterns to communicate activation, skin resistance, treatment stage, and completion. IontoPatch uses a different operating design and does not provide that visual feedback.
If visible treatment feedback is important to the clinical workflow, compare IontoPatch vs. ACTIVApatch rather than assuming an IontoPatch light is malfunctioning.
Should You Feel IontoPatch Working?
Usually, no.
IontoPatch uses a low level of direct current designed to deliver ionic medication gradually over several hours. The manufacturer says there is typically no feeling or sensation while a properly applied IontoPatch is operating. Some patients occasionally report a slight tingling or tugging sensation.
Normal sensations can include
- nothing at all;
- mild awareness of the adhesive;
- faint tingling;
- light tugging or pulling; or
- mild temporary redness after removal.
Sensations that should not simply be tolerated
- strong burning;
- sharp stinging;
- stabbing pain;
- steadily increasing discomfort;
- intense itching;
- blistering; or
- painful swelling.
For those symptoms, remove the patch slowly with soap and water and contact the treating healthcare professional. The manufacturer specifically advises reporting undue burning or pain during treatment. See the IontoPatch Discomfort, Burning & Removal Guide.
Why Can IontoPatch Work Without You Feeling the Current?
The current is deliberately low.
Iontophoresis does not require the patient to perceive electrical stimulation for charged medication transport to occur.
Manufacturer technical information explains that IontoPatch's electrode system creates an electrical potential when the prepared patch contacts the body. Current then flows between its positive and negative chambers. The actual delivery rate varies with skin resistance and factors such as skin cleanliness, hydration, and the characteristics of the application site.
This is very different from a TENS unit.
With TENS, the therapeutic experience is normally built around a perceptible electrical sensation.
With IontoPatch, sensation is not the treatment target.
The purpose of the current is to assist transport of an appropriately charged medication through intact skin.
So:
More tingling does not mean better iontophoresis.
No tingling does not mean no iontophoresis.
How Does IontoPatch Start Working if There Is No On/Off Switch?
IontoPatch does not operate like a conventional electronic stimulator.
There is no:
- power button;
- intensity dial;
- start button;
- programmable controller; or
- external battery pack.
The positive and negative chambers, electrode coatings, and power source are incorporated into the patch itself.
Technical documentation explains that current flow is induced when the prepared patch is applied to the body. The electrode coatings are gradually consumed during treatment, and current flow eventually declines and suspends as that electrical capacity is depleted.
We explain the electrical design in more detail in How IontoPatch Works.
How Do You Know IontoPatch Is Working?
Because there is no LED and sensation is unreliable, you verify the treatment setup, not a feeling.
Use this checklist.
1. Confirm the Correct IontoPatch Model
Current Balego models differ in electrical dose, fluid volume, and average treatment period.
| Model | Electrical dose | Medication volume | Average wear time |
|---|---|---|---|
| IontoPatch STAT | 80 mA·min | 1.0 mL | About 4 hours |
| IontoPatch 80 | 80 mA·min | 1.3 mL | About 14 hours |
| IontoPatch Extra Strength | 120 mA·min | 1.0 mL | About 8 hours |
These are average delivery periods rather than exact electronic timers. Individual skin resistance affects current flow and treatment time.
Do not substitute one model for another solely because it is available or has a shorter wear time.
2. Confirm the Medication Was Put in the Correct Chamber
IontoPatch has a positive chamber and a negative chamber.
The prescribed medication must be placed in the chamber matching the drug's ionic charge:
| Medication charge | Medication chamber |
|---|---|
| Positively charged ion | Positive (+) |
| Negatively charged ion | Negative (-) |
The opposite chamber receives saline to complete the electrical circuit.
Putting medication into the wrong chamber is not something the patient can detect by sensation.
There may still be:
- no pain;
- no warning;
- no light; and
- no error message.
That is why medication polarity has to be confirmed before the patch is applied.
If the medication was put in the wrong chamber, do not attempt to wash out, reverse, or reuse the patch. Contact the treating professional for instructions.
For the complete preparation sequence, use How to Apply IontoPatch: Step-by-Step Quick Start.
3. Confirm the Correct Medication Volume Was Used
The current models do not all use the same fluid volume.
STAT: 1.0 mL
IontoPatch 80: 1.3 mL
Extra Strength: 1.0 mL
The manufacturer also instructs users to add saline to the opposite chamber while leaving approximately a 3 mm dry border and avoiding overfilling. The entire supplied saline vial is not used.
Why overfilling matters
Excess liquid can spread toward the adhesive perimeter.
That can:
- weaken adhesion;
- allow an edge to lift;
- alter contact with the skin; or
- expose unintended skin to the solution.
More liquid does not mean stronger treatment.
4. Make Sure the Skin Was Prepared Correctly
Proper skin contact matters because skin resistance affects IontoPatch current flow.
Current manufacturer application instructions call for:
- intact skin;
- excess hair trimmed when necessary;
- cleaning with soap and water;
- complete drying; and
- no lotion, oil, or residue at the treatment site.
The manufacturer specifically advises not to use an alcohol wipe because alcohol can dry and irritate the skin.
This detail matters because older habits around electrode preparation can carry over from other electrotherapy modalities.
IontoPatch should follow its own current application instructions.
5. Check That Both Chambers Have Good Skin Contact
For current to flow through the intended circuit, the prepared patch needs secure contact with intact skin.
Look for:
- the full adhesive perimeter lying flat;
- no major wrinkles beneath either chamber;
- no large lifted section;
- no visible leakage;
- no chamber hanging partly off a narrow body area; and
- No clothing, shoes, or braces repeatedly pulling the patch away.
When initially applying the patch, the manufacturer recommends pressing around the outer perimeter rather than directly over the center of the filled chambers, because pressing the reservoirs can force liquid onto the adhesive.
On a joint, position the joint near the middle of its available range before application so movement is less likely to pull the patch loose.
6. Do Not Use Tingling as Your “Continuity Test”
A common mistake is to think:
“If I cannot feel electricity, maybe the circuit is open.”
That logic works poorly with IontoPatch.
The manufacturer specifically states that a properly functioning patch usually produces no noticeable sensation.
Trying to judge continuity by increasing pressure, tightly wrapping the patch, or repeatedly pushing on the reservoirs can create a different problem.
The manufacturer warns against tightly wrapping the patch or applying excessive prolonged pressure.
7. Follow the Clock, Not the Sensation
IontoPatch does not notify the patient when treatment is complete.
There is no beep.
There is no countdown.
There is no completion light.
Instead, follow the removal time provided by the clinician.
Manufacturer technical data list average delivery periods of approximately:
- 4 hours for STAT
- 14 hours for IontoPatch 80
- 8 hours for Extra Strength
Skin resistance causes the actual delivery rate to vary, so these values are averages rather than an electronic guarantee that every patient finishes at the exact same minute.
The manufacturer specifically advises removing IontoPatch STAT after 6 hours, because its delivery rate is substantially reduced after that point.
Do not leave the patch on longer merely because you never felt it working.
8. Do Not Expect Immediate Pain Relief as Proof the Patch Works
Treatment sensation and clinical response are different questions.
IontoPatch is a drug-delivery device. It is not designed to produce an immediate sensory response the way TENS does.
Whether symptoms improve—and when—is affected by:
- diagnosis;
- prescribed medication;
- concentration;
- treatment target;
- stage of the condition;
- rehabilitation program; and
- individual response.
Therefore:
“My pain still hurts after 20 minutes” is not an IontoPatch operating test.
Likewise, immediate relief does not prove a specific quantity of medication has been delivered.
We address the clinical evidence separately in IontoPatch Research: Clinical Evidence & Study Results.
Does Skin Redness Mean IontoPatch Worked?
Not necessarily.
Mild temporary redness underneath an iontophoresis electrode or adhesive can occur, but redness is not a treatment-completion indicator.
IontoPatch manufacturer information recognizes that iontophoresis can produce:
- temporary redness;
- skin irritation;
- discoloration; or
- hyperpigmentation.
More significant burning, pain, or skin injury requires prompt attention.
The opposite is also true:
No redness does not mean the patch failed.
A patient does not need to develop visible skin irritation for iontophoresis to occur.
What About White or Blanched Skin Under Dexamethasone?
If the prescribed medication is a corticosteroid such as dexamethasone, some patients may notice a temporarily paler or blanched area of skin.
Corticosteroids can cause localized cutaneous vasoconstriction, and dexamethasone has been shown to produce visible skin blanching in vasoconstrictor testing.
That means temporary blanching can be pharmacologically plausible when dexamethasone is involved.
But it should not be treated as an IontoPatch status light.
Blanching does not independently prove:
- that the electrical dose is complete;
- how much medication entered the tissue;
- that the medication was placed in the correct chamber;
- that the patch operated for the entire intended period; or
- that the treatment will produce a clinical benefit.
Likewise, absence of blanching does not prove treatment failure.
Any marked, painful, persistent, or unusual color change should be reviewed by the treating professional.
My IontoPatch Is Starting to Peel—Is It Still Working?
A small edge beginning to loosen is different from losing substantial contact underneath one of the treatment chambers.
Check:
- whether the skin became sweaty;
- whether the patch was exposed to water;
- whether clothing is rubbing the edge;
- whether a brace is pulling against it;
- whether the chamber was overfilled; and
- whether the patch was initially applied over a deep crease or highly mobile joint.
When permitted by the treating clinician, the outer adhesive perimeter may sometimes be reinforced.
Do not:
- Wrap the patch tightly;
- place prolonged concentrated pressure over a reservoir;
- lift and repeatedly reposition it;
- refill it;
- reuse it after removal; or
- Keep using a patch whose reservoir has leaked or lost meaningful skin contact.
We cover activity, sweat, braces, and reinforcement separately in Can You Exercise With IontoPatch?.
What If IontoPatch Gets Wet?
Limited incidental moisture is different from immersion.
IontoPatch should not be:
- submerged in a bath;
- worn while swimming;
- soaked in a hot tub; or
- deliberately saturated with water.
Water can soften the adhesive and compromise skin contact.
If the patch becomes mildly wet, follow the treating clinician's instructions and inspect whether the adhesive perimeter remains securely attached.
Do not use a wet patch's lack of tingling as evidence that it failed—the patch normally may not tingle in the first place.
Can You Check the IontoPatch Battery?
There is no normal patient-accessible battery test.
The power system is built into the disposable patch. IontoPatch is not designed to be:
- opened;
- charged;
- connected to an external tester;
- repaired;
- reset; or
- reused.
Manufacturer technical information describes the electrode coatings and integrated power source as part of the disposable system.
If an unopened patch appears physically damaged, has compromised packaging, or cannot be prepared correctly, do not improvise a repair.
Contact the supplier or treating professional.
Why Doesn't IontoPatch Have a Conventional On/Off Switch?
Because its dose-control mechanism is fundamentally different from a wired iontophoresis controller.
With a reusable controller, the clinician may explicitly set:
- current;
- treatment dose;
- treatment time; and
- sometimes polarity or electrode parameters.
IontoPatch instead uses a self-contained power and electrode system.
The manufacturer explains that the electrode coatings are gradually consumed during treatment, and current flow suspends as their electrical capacity is depleted.
This design allows the patch to operate while the patient goes about normal activities without carrying a dose controller.
IontoPatch vs. a Wired Iontophoresis Unit: How Operating Feedback Differs
| Feature | IontoPatch | Wired controller system |
|---|---|---|
| External controller | No | Yes. |
| Visible current display | No | Usually yes. |
| Adjustable current during treatment | No | Usually yes. |
| LED operating light | No | Controller-dependent |
| Sensation necessary to confirm operation | No | No, although current may be more noticeable. |
| Treatment mobility | High | Usually clinic-based |
| Dose mechanism | Self-contained patch capacity | Controller-programmed |
| Patient troubleshooting | Setup/contact/wear-time based | The controller can provide electronic information |
The lack of a screen or LED is therefore part of the IontoPatch workflow—not evidence that a feature is missing.
Browse other delivery formats in our Iontophoresis Collection.
When Should You Suspect an Application Problem?
No sensation alone is not enough.
A setup problem becomes more plausible when one or more of these are present:
| Observation | Why it matters |
|---|---|
| Wrong medication chamber | Polarity does not match the prescribed ionic drug |
| Incorrect medication volume | The patch was not prepared according to the model. |
| Opposite chamber not properly hydrated | Electrical circuit preparation may be incomplete. |
| Large lifted area | Skin contact can be compromised. |
| The reservoir leaked. | Fluid distribution and adhesive contact may be altered. |
| Patch placed partly over hair or lotion | Adhesion/contact can be reduced. |
| Patch repeatedly removed and repositioned | Adhesive and reservoir setup are compromised. |
| Patch was immersed. | Adhesion/contact may no longer be reliable |
| Patch physically damaged before use | Device integrity is uncertain. |
| Wrong patch model used | Dose, fill volume, and wear time may differ. |
These are much more useful troubleshooting observations than asking whether the patient felt a tingle.
What Should You Do If You Think the IontoPatch Was Applied Incorrectly?
Do not try to correct a used patch by:
- peeling it off and starting over;
- washing medication out of one chamber;
- transferring medication to the other side;
- adding extra medication;
- adding more saline after treatment begins; or
- saving it for another attempt.
IontoPatch is a single-use device.
If the wrong medication, polarity, fill volume, model, or placement was used, contact the treating clinician or pharmacist and follow their instructions before proceeding.
The complete application workflow is available at How to Apply IontoPatch.
Should You Add More Saline if You Cannot Feel Anything?
No.
The amount of saline should be determined during initial preparation according to the product instructions.
The manufacturer specifically says not to use the entire saline vial. Saline is added to the opposite chamber while maintaining a dry border around the reservoir.
Adding extra saline because there is no tingling can:
- overfill the reservoir;
- spread moisture onto the adhesive;
- weaken patch contact; and
- Create an application problem where none existed.
Again:
No sensation is normally expected.
Should You Press Harder on IontoPatch to “Activate” It?
No.
The current begins through the prepared patch/skin circuit; there is no hidden activation button beneath the reservoirs.
Manufacturer application guidance actually cautions against pressing directly on the liquid-filled chamber centers during initial application because doing so can push fluid outward onto the adhesive.
Secure the outer perimeter instead.
Do not apply excessive pressure or tightly compress the patch beneath a wrap or brace.
When Should IontoPatch Be Removed Early?
Remove the patch and contact the treating professional if there is:
- strong or increasing burning;
- sharp pain;
- significant stinging;
- blistering;
- marked swelling;
- hives;
- spreading rash;
- damaged skin;
- substantial medication or saline leakage;
- a serious adhesive reaction; or
- unexpected systemic medication symptoms.
The manufacturer specifically warns that medication delivered with IontoPatch may enter systemic circulation and therefore retains the drug's potential adverse effects.
Seek urgent medical help for symptoms such as:
- trouble breathing;
- throat tightness;
- facial or tongue swelling;
- fainting; or
- another severe allergic reaction.
Do not attempt to “finish the dose” through worsening pain or an abnormal reaction.
How Should You Remove IontoPatch?
The manufacturer recommends removing it slowly with soap and water, such as during a shower or bath, to minimize skin irritation.
Do not rip the patch rapidly from the skin.
After removal:
- clean the site;
- inspect the skin;
- document any unusual reaction;
- do not reuse the patch; and
- Dispose of it according to the supplied instructions and facility policy.
IontoPatch “Not Working” Checklist
Before concluding that the patch failed, ask:
Patch
- Is it the correct IontoPatch model?
- Was the package intact?
- Was it unused before this treatment?
Medication
- Was the correct prescribed medication used?
- Was its ionic polarity verified?
- Was it placed in the matching positive or negative chamber?
- Was the correct model-specific volume used?
Saline
- Was saline added to the opposite chamber?
- Was the reservoir prepared without flooding the adhesive?
- Was unused saline discarded rather than forcing the whole vial into the patch?
Skin
- Was the skin intact?
- Was excess hair trimmed?
- Was the area washed with soap and water?
- Was it completely dry?
- Was lotion, oil, and residue removed?
Contact
- Are both chambers flat against the skin?
- Is the perimeter secure?
- Is there leakage?
- Has the patch been immersed?
- Has it been repeatedly lifted or repositioned?
Timing
- STAT: approximately 4-hour average treatment
- IontoPatch 80: approximately 14-hour average treatment
- Extra Strength: approximately 8-hour average treatment
- Are you following the clinician's actual instructed removal time?
Sensation
- No tingling? Can be completely normal.
- No warmth? Can be completely normal.
- No light? Expected—there is no LED.
- No beep? Expected—there is no completion alarm.
If everything above is correct, lack of sensation is not a reason to assume the patch failed.
Frequently Asked Questions
Is IontoPatch supposed to tingle?
Not necessarily.
The manufacturer says there is typically no sensation while IontoPatch is functioning properly. Mild tingling or tugging occurs occasionally.
If I don't feel anything, is IontoPatch working?
It can be.
No sensation is expected for many patients because IontoPatch uses a low current delivered over several hours.
Verify medication, polarity, fluid volume, and skin preparation; secure contact and wear time rather than relying on sensation.
Does IontoPatch have a green light?
No.
Current IontoPatch STAT, 80, and Extra Strength patches do not have an LED status display.
Is there supposed to be a flashing light?
No.
You may be thinking of ACTIVApatch IntelliDose 2.5, which uses SmartPower LED feedback.
Does IontoPatch beep when it is finished?
No.
There is no audible completion alarm. Follow the removal schedule supplied by the treating professional.
How do I know when IontoPatch is finished?
Use the prescribed treatment schedule rather than sensation.
Typical average delivery periods are approximately four hours for STAT, fourteen hours for IontoPatch 80, and eight hours for Extra Strength. The actual rate varies with skin resistance.
Does IontoPatch automatically stop?
Its operation does not resemble a timer-controlled electronic stimulator.
Manufacturer technical information says the electrode coatings are gradually consumed during treatment, and current flow suspends as the electrical capacity is depleted.
Why does IontoPatch 80 take so long if I can't feel it?
IontoPatch 80 is specifically designed as the lower-current, longer-wear option. It provides the same 80 mA·min electrical-dose capacity as STAT but over an average of approximately 14 hours.
Is IontoPatch STAT supposed to feel stronger?
Not necessarily.
Although STAT uses a shorter delivery profile than IontoPatch 80, perceived sensation varies between patients and treatment sites. Sensation should not be used to compare dose delivery.
Does Extra Strength feel stronger?
Not necessarily.
“Extra Strength” refers to its 120 mA·min electrical-dose capacity, compared with 80 mA·min for STAT and IontoPatch 80. It does not mean the patient must feel stronger electrical stimulation.
Should my skin be red after IontoPatch?
Mild temporary redness can occur, but it is not required.
Severe, painful, blistered, or worsening redness requires professional review.
Why is my skin white after dexamethasone iontophoresis?
Corticosteroids can cause localized skin blanching through vasoconstrictive effects, and dexamethasone has produced visible blanching in human studies.
Blanching should not be used as a treatment-completion indicator.
If there is no blanching, did dexamethasone fail to deliver?
No conclusion can be made from that sign alone.
Skin blanching varies with medication concentration, exposure, site, and individual response. It is not an IontoPatch status indicator.
Can I add more medication if I don't feel anything?
No.
Use only the prescribed medication and the model-specific fill volume during initial preparation.
Can I add more saline to make the patch work?
Do not add extra saline simply because you feel nothing. The manufacturer says the entire saline vial is not used.
Can I press the patch harder to activate it?
No.
Secure the outer adhesive edge. Do not push aggressively on the filled reservoirs.
Can I take it off and put it back on?
No.
IontoPatch is single-use and should not be repeatedly lifted, repositioned, or reapplied.
What if part of the patch lifts?
Evaluate whether the chambers still have appropriate skin contact. Follow the clinician's instructions for permitted perimeter reinforcement.
Do not tightly wrap the patch.
What if I put dexamethasone on the wrong electrode?
Do not proceed with or attempt to reuse the incorrectly prepared patch. Contact the clinician or pharmacist for instructions.
Dexamethasone sodium phosphate is commonly treated as negatively charged, but the exact formulation and polarity must be verified professionally.
Does the patch need an external battery?
No.
The power source is built into the single-use IontoPatch.
Can I test the battery?
There is no routine patient battery test procedure. The patch is a sealed single-use system rather than a serviceable electronic controller.
Why haven't my symptoms improved while I am wearing it?
Immediate symptom improvement is not an operational test.
Clinical response depends on the condition, medication, protocol, and broader rehabilitation plan. See IontoPatch Research & Clinical Evidence for evidence rather than using sensation as proof of delivery.
Bottom Line: No Tingling and No Light Usually Do Not Mean IontoPatch Failed
The most important thing to understand about IontoPatch is this:
It is designed to work quietly.
A properly functioning IontoPatch may produce:
no tingling
no buzzing
no warmth
no visible light
no beep
and no obvious feeling of electrical stimulation at all.
That is consistent with manufacturer guidance.
Current IontoPatch models also have no LED operating or completion indicator, so the absence of a light is normal—not an error condition.
To determine whether treatment was set up correctly, verify:
- the correct IontoPatch model;
- the prescribed medication;
- medication polarity;
- the correct medication chamber;
- model-specific fill volume;
- saline in the opposite chamber;
- clean, dry, intact skin;
- complete patch contact;
- no significant leakage or detachment; and
- the clinician-directed wear period.
Do not judge the IontoPatch operation by tingling, skin redness, blanching, pain relief, or a nonexistent status light.
For current models, visit IontoPatch STAT, 80 & Extra Strength.
For preparation instructions, use How to Apply IontoPatch.
For general model, medication, and wear questions, see the IontoPatch FAQ.
For burning, redness, or irritation, use the IontoPatch Discomfort Guide.
For other iontophoresis delivery systems, browse our Iontophoresis Collection.
Medical and Product-Use Notice
IontoPatch is a clinician-directed iontophoresis drug-delivery device. Medication selection, formulation, concentration, polarity, treatment site, electrical dose, patch model, frequency, and wear time should be determined by the prescribing or treating healthcare professional. Remove the patch and seek professional guidance for significant burning, pain, blistering, swelling, spreading rash, or other unexpected reactions. Medication delivered through the skin can also produce systemic effects, so all warnings and contraindications for the prescribed drug continue to apply.









