Symptom Combination

Arm Pain and Sweating: Causes, Conditions & When to See a Doctor

Left arm pain combined with sweating is a classic presentation of acute myocardial infarction. The pain radiates from the heart via shared nerve pathways (C8–T4 dermatomes) while diaphoresis reflects sympathetic activation during cardiac ischemia. Call emergency services immediately.

→ Arm Pain Overview → Sweating Overview

Possible Causes of Arm Pain and Sweating

Conditions that commonly cause both symptoms together

1Acute myocardial infarction (heart attack) — most critical cause
2Unstable angina with vasovagal response
3Aortic dissection extending to brachial vasculature
4Panic disorder with somatization (diagnosis of exclusion)
5Musculoskeletal strain coinciding with autonomic dysregulation

Emergency Red Flags

Seek immediate medical attention if you experience any of these

Crushing or pressure-like chest pain accompanying arm pain

Profuse cold sweating (diaphoresis) at rest

Pain radiating to jaw or back simultaneously

Shortness of breath or sense of impending doom

Sudden onset in a patient over 40 with cardiac risk factors

When to See a Doctor

Schedule a medical consultation if you notice these signs

Call emergency services (112/911) immediately — do not drive yourself

Chew 300 mg aspirin if not allergic while awaiting ambulance

Lie still; avoid exertion that worsens symptoms

Any arm pain + sweating at rest must be evaluated as cardiac emergency

Conditions That Cause Both Arm Pain and Sweating

3 conditions are associated with this symptom combination

Myocardial Infarction

Classic STEMI/NSTEMI presentation with left arm radiation and diaphoresis

Unstable Angina

Crescendo angina with autonomic sweating, ACS spectrum

Aortic Dissection

Type A dissection can cause arm ischemia and profuse sweating

Explore Individual Symptoms

In-depth pages for each symptom in this combination

Arm Pain — Full Overview Causes Treatment When to See a Doctor Related Questions

Sweating — Full Overview Causes Treatment When to See a Doctor Related Questions

Clinical Matches — Authority Pages

Condition-level differential and comparison resources for this combination

⚠ Dangerous — Rule Out First:

Aortic Dissection

Differential analyses:

🔬Aortic Dissection: differential →

Experiencing Arm Pain and Sweating?

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