UrgentEmergency Guide
Sweating: Red Flags & Emergency Signs
Profuse cold sweating (diaphoresis) with chest pain or confusion is a medical emergency — it accompanies MI, hypoglycaemia, and severe sepsis.
🚨 Call 999 / 112 Immediately
- ⚠Cold sweats with chest pain — acute MI until proven otherwise
- ⚠Cold sweats with confusion and pallor in a diabetic — hypoglycaemia
- ⚠Profuse sweating with fever and altered consciousness — septic shock
⚡ See a Doctor Today
- •Night sweats drenching the bedclothes (requiring change of clothing) — TB, lymphoma, HIV, endocarditis
- •Sweating with palpitations and tremor — thyrotoxic crisis or phaeochromocytoma
High-Risk Combinations
When sweating occurs together with any of these symptoms, urgency increases significantly:
Conditions to Rule Out Urgently
Acute MIemergency
ECG; troponin; PCI within 90 minutes for STEMI
Hypoglycaemiaemergency
BG <3.5 mmol/L; 150 mL 10% dextrose IV or sugar orally
Sepsisemergency
Sepsis-3 criteria; IV fluids + antibiotics within 1 hour
Condition Authority Pages
When to Call Emergency Services
- →Cold sweating with chest pain
- →Profuse sweating with confusion and known diabetes