Common side effects of Quinidine include Vomiting (38), Hepatitis (24), Diarrhea (12). Serious side effects include Cardiac arrest (1) and Ventricular fibrillation (1). Quinidine is classified as Medicine. Always consult a doctor if side effects persist.

Side Effects GuideAI-VerifiedMedicine

Quinidine Side Effects

Complete guide to Quinidine side effects — what's common, what's serious, which body systems are affected, and when to see a doctor.

Body impact map

Common
Serious
9+
Common effects
6
Serious effects
4
Body systems

Common Side Effects

Usually mild · often resolve on their own

These side effects may occur in some patients taking Quinidine. Most are mild and improve as your body adjusts. Tell your doctor if any persist or worsen.

Vomiting (38)
Stomach / GI
Hepatitis (24)
Whole body
Diarrhea (12)
Stomach / GI
Peripheral edema (12)
Whole body
Urinary tract infection (12)
Kidney
Hypokalemia (12)
Whole body
Anaemia (2)
Whole body
Arrhythmia (1)
Heart / Lungs
ALS (72)
Whole body
LVH (60)
Whole body

Serious Side Effects

Rare but urgent · seek immediate medical help

Stop taking Quinidine and seek immediate medical help if any of the following occur. Call 112 for emergencies.

Emergency · 112
Cardiac arrest (1)
Heart / Lungs
Ventricular fibrillation (1)
Whole body
Fibrillation (1)
Whole body
Agranulocytosis (1)
Whole body
Deafness (1)
Whole body
Colour blindness (1)
Whole body

Not a complete list. Report any unusual symptoms to your doctor immediately.

How to Minimize Side Effects

Simple steps that help

  • Take Quinidine exactly as prescribed by your doctor — never change the dose yourself.
  • Follow dosage timing instructions carefully (with food / empty stomach / at bedtime as directed).
  • Do not stop Quinidine suddenly without consulting your doctor — sudden discontinuation can be risky.
  • Report any new or unusual symptoms to your doctor promptly — early detection prevents complications.
  • Check drug interactions with GoDavaii AI before starting any new medicine, supplement, or even herbal remedy.
  • Avoid alcohol while on Quinidine unless your doctor has confirmed it is safe.
AI-Verified · Cross-checked against 40,000+ interaction database

Not medical advice

Individual responses to Quinidine vary — age, weight, existing conditions, and other medicines all matter. Always consult your doctor for personalized advice. For emergencies, call 112.

Frequently Asked Questions

Personalized AI · 22 languages

Worried about Quinidine side effects?

Check interactions with your other medicines, compare alternatives, get dose guidance.

Ask Health AI

This is 50% of what GoDavaii AI shows.

Personalized Quinidine analysis — side effects, interactions, generic alternatives & dosage checked against YOUR profile in 22 Indian languages.

Explore More on GoDavaii

Medicine Info