Your Side Effects May Include
Prescription drug · Used for high blood pressure

Hydralazine side effects

This side effect is printed on the FDA label for Hydralazine. It was a question in our daily quiz, where you pick the real side effect from four choices.

An illness that looks like lupus

Joint pain, fever and fatigue can mimic the autoimmune disease lupus.

From the FDA label
“In a few patients hydrALAZINE may produce a clinical picture simulating systemic lupus erythematosus including glomerulonephritis.”
Hydralazine label, updated Sep 8, 2026 · Read the full label on DailyMed
What to watch for

Tell your doctor about joint pain, fever, chest pain or unexplained tiredness.

156 reports to the FDA's adverse event system mention a lupus-like illness. A report is not proof the drug caused it. See the query

From quiz No. 16 · October 10, 2026 · Play that quiz →

Play today's quiz →

More from the drug guide

Drug guide · Learn · About · Privacy · Terms · Contact
Not medical advice. Don't stop or start a medication because of a quiz. Talk to your doctor or pharmacist. Label text and report counts from openFDA. Not affiliated with any drug maker.