POTS and Dysautonomia in Miami: Getting IV Fluids Without the Runaround

Medically reviewed by Shane D. Naidoo, MD
Medical Director, TrufaMED Urgent Care & Concierge Medicine
Board-Certified, Emergency Medicine
Last reviewed: May 2026

Postural orthostatic tachycardia syndrome and the broader category of dysautonomia have one feature most patients run into the moment they need help: the system is not built for them. Waiting rooms require standing. Triage assumes a single complaint with a single test that will explain it. Cardiologists order one tilt-table study and then send the patient home with a printout. None of that addresses the actual day-to-day reality of a POTS flare, where the most useful intervention is often the simplest one: IV fluids and electrolytes, given quickly, in a chair that reclines, by a clinician who knows what dysautonomia is.

This is a practical guide. What to ask for. What to bring. When urgent care is the right path and when it is not.

Why IV saline helps a POTS flare

POTS is a problem with autonomic regulation. The body is not getting the cardiovascular signals straight when posture changes. Heart rate spikes on standing. Blood pressure may drop, climb, or stay flat in patterns that do not feel right. Volume status matters because the autonomic system has less margin to work with when intravascular volume is low.

IV saline raises intravascular volume quickly. Most POTS patients feel measurable improvement in heart rate response, lightheadedness, and brain fog within minutes of starting an infusion. The improvement is usually temporary, lasting hours to a day or two, but during a flare that window can be the difference between a missed week and a recovered afternoon.

This is supportive care, not a treatment for the underlying autonomic dysfunction. Long-term management is structured fluid and salt intake, compression garments, graded exercise, and medications when appropriate, typically prescribed and monitored by a cardiologist or autonomic specialist.

What you can ask for at urgent care

At TrufaMED urgent care, here is what is reasonable to request during a POTS flare:

• One to two liters of normal saline IV, run over 60 to 90 minutes
• Orthostatic vitals taken on arrival (lying, sitting, standing)
• Basic labs to rule out reversible causes: electrolytes, magnesium, complete blood count, sometimes a troponin if cardiac symptoms are present
• Anti-emetic if nausea is part of the flare
• A treatment room to lie down rather than a standing waiting area

What we will not do at urgent care: tilt-table testing, formal autonomic function testing, or initiation of medications such as midodrine or fludrocortisone. Those belong with cardiology or autonomic neurology. We can refer.

What to say when you call

The fastest way to get to a treatment room is to be specific on the phone. A useful script:

"I have POTS. I am in a flare. I cannot stand long. I am looking for IV saline and basic labs. Can you put me directly in a treatment room when I arrive?"

Most clinics, including ours, will accommodate this. If a clinic refuses to consider IV fluids without a multi-week workup first, you are at the wrong clinic for an acute flare.

What to bring

• List of current medications and supplements, including doses
• Most recent labs, even if they are months old
• Name and contact of your cardiologist or autonomic specialist if you have one
• A water bottle and a salty snack for after the IV
• Compression garments if you wear them
• If you use a wheelchair or mobility aid, bring it; the room accommodates

When mobile IV at home is the better path

For some POTS patients, getting to the clinic is the limiting step. TrufaMED offers mobile IV therapy across Miami-Dade. The screening is identical to in-clinic: a physician encounter, a review of medications and history, contraindication screening. The bag is hung in your home. For a patient who cannot tolerate the drive plus the waiting plus the discharge process, mobile IV is often the more clinically practical choice.

Mobile IV in Miami-Dade serves Surfside, Bal Harbour, Miami Beach, Sunny Isles Beach, Aventura, Bay Harbor Islands, North Bay Village, Indian Creek, Biscayne Park, North Miami, North Miami Beach, El Portal, Miami Shores, and Miami.

When the flare is not just a flare

Some symptoms during what looks like a POTS flare are not POTS and warrant a different evaluation. Sudden severe chest pain, shortness of breath at rest, syncope with injury, focal neurologic symptoms (one-sided weakness, slurred speech, sudden severe headache), or new chest pain on minimal exertion are reasons to go to an emergency department, not urgent care. The physician at TrufaMED will redirect to the ER if the clinical picture suggests it.

Frequently asked questions

Can urgent care treat a POTS flare?

Yes. Urgent care can administer IV saline and electrolytes to support a POTS flare. We can also screen for the common triggers (dehydration, recent infection, medication change) and order basic labs. We do not diagnose POTS at urgent care; that requires a tilt-table study or formal autonomic workup with cardiology.

How much IV saline does a POTS patient typically receive?

Most POTS patients tolerate 1 to 2 liters of normal saline over 60 to 90 minutes during a flare. Volume and rate are individualized to the patient's blood pressure, cardiac history, and symptom response. We do not push fluid faster than the patient tolerates.

Do I need a referral?

No. You can walk in to TrufaMED urgent care without a referral. Bring a list of medications, your most recent labs if you have them, and the name of your cardiologist or autonomic specialist if you have one.

Can I get IV fluids at home in Miami?

Yes. TrufaMED offers mobile IV therapy across Miami-Dade. For POTS patients who cannot tolerate sitting in a waiting room, mobile IV can be the more practical path. The intake is the same: physician encounter first, then the bag.

What labs are usually run during a POTS flare visit?

Basic metabolic panel, complete blood count, magnesium, and sometimes a troponin if there is a cardiac concern. Orthostatic vitals (lying, sitting, standing) are taken in clinic. A specific POTS workup, including tilt-table testing, is referred out to cardiology or autonomic neurology.

Will the IV cure my POTS?

No. IV fluids and electrolytes provide symptomatic support during a flare. They do not treat the underlying autonomic dysfunction. Long-term management involves daily salt and fluid intake, compression garments, structured exercise, and sometimes medications such as midodrine, fludrocortisone, or ivabradine, prescribed and monitored by a cardiologist or autonomic specialist.

Is IV saline safe in POTS?

For most POTS patients, yes. People with kidney disease, congestive heart failure, or certain electrolyte abnormalities may need a different approach. The physician encounter screens for those conditions before any fluids are given.

How long does the visit take?

From walk-in to discharge, a typical IV saline visit at TrufaMED runs 60 to 120 minutes, including encounter, IV placement, infusion, and re-check of vitals before discharge.

What if I cannot stand long enough to wait?

Tell the front desk on arrival that you have POTS and cannot tolerate prolonged standing. We can move you directly to a treatment room. If you are using a wheelchair, mobility aid, or service animal, that is fine.

Walk in, or have us come to you

If you are in a flare and want IV saline today, walk in to TrufaMED urgent care at 9445 Harding Avenue in Surfside. To request a mobile IV at home, the menu is on our IV therapy page. To talk to a physician first, call (305) 537-6396.