Symptoms of Severe Drug Allergies

Tottori Allergy & Asthma - Symptoms of Severe Drug AllergiesAnaphylaxis
Tightening of the airways and throat, trouble breathing, nausea, vomiting or diarrhea, dizziness, weak/rapid pulse, seizure, loss of consciousness.

Nephritis
Nephritis, or inflammation of the kidneys, may cause fever, general swelling, blood in the urine, confusion and other symptoms.

Drug-Induced Anemia
A reduction in red blood cells, which can cause fatigue, irregular heartbeats, shortness of breath and other symptoms.

Drug Rash
Rash, high white blood cell count, general swelling, swollen lymph nodes and recurrence of skin infection.

Serum Sickness
May cause fever, joint pain, rash, swelling and nausea.

Source: Mayoclinic.org