Can I get treated online for heat exhaustion and heat stroke symptoms?

Yes. A licensed provider on Ondoc reviews your symptoms and, prescribes treatment for the underlying cause — most commonly Nausea and vomiting.

How fast will I hear back?

Most online visits are reviewed in under 24 hours. Refills are often same-day.

Heat exhaustion and heat stroke symptoms

Heavy sweating, weakness, headache, and nausea in the heat point to heat exhaustion. Confusion or hot dry skin is heat stroke — an emergency; call 911.

Also called: heat stroke signs · overheating · heat illness

Medically reviewed by Dr. Ikechukwu Ogbu, MD

MD · Board-Certified, Internal Medicine · Last reviewed October 2026

Seek urgent care or the ER if you have:

Symptoms that are sudden, severe, or rapidly worsening
High fever (over 103°F / 39.4°C) that doesn't respond to treatment
Chest pain, trouble breathing, fainting, or confusion
Signs of dehydration — dizziness, dark urine, unable to keep fluids down
Symptoms in someone who is pregnant, immunocompromised, or over 65

What heat exhaustion and heat stroke symptoms could be

The most common causes a clinician considers. This isn't a diagnosis — it's the differential a provider works through with you.

Nausea and vomiting

Nausea and vomiting is one of the more common causes of heat exhaustion and heat stroke symptoms. Ondoc can evaluate it online.

When to see a clinician

Symptoms have lasted more than a few days without improving, or keep coming back
You're not sure if this needs antibiotics, prescription treatment, or watchful waiting
You have a chronic condition (diabetes, heart disease, immunocompromised) that raises the stakes
You want a same-day plan without a trip to urgent care