Red, Swollen Tonsils with White Spots: Tonsillitis, Mono, Strep, and When to Worry

Common Causes

Tonsillitis

Bacterial or viral infection causing sore throat, difficulty swallowing, fever, swollen neck lymph nodes, and white/yellow spots on tonsils.

Infectious Mononucleosis (Mono)

Viral infection spread via saliva. Symptoms: fatigue, fever, sore throat, swollen lymph nodes, rash, white/yellow tonsillar spots.

Red Flags Requiring Immediate Care

Seek medical evaluation if you have:

• Severe sore throat
• Difficulty swallowing
• Fever over 101°F (38.3°C)
• Blood in saliva
• Hoarseness
• Earache

These may indicate strep throat, tonsil cancer, or other serious conditions.