Quinidine Sulfate

An antiarrhythmic drug called quinidine sulfate is used to treat irregular heartbeats. It functions by assisting in reestablishing the heart's regular rhythm. The drug quinidine sulfate is offered as a tablet and an injectable.
Overview
Uses
Side Effects
Medication
Ingredients
Supplements
Pharmacokinetics

Side Effects

Serious negative effects of quinidine sulfate include:

- an unsteady heartbeat

decreased blood pressure

- dizziness

- lightheadedness

- Weakness

• sickness

• diarrhoea

Additionally, quinidine sulfate may result in less severe side effects, such as:

head pain

- Vision that is hazy

- feeling lightheaded

- Appetite loss

In patients with liver, kidney, or heart disease, quinidine sulfate should be used cautiously. Women who are nursing or pregnant shouldn't use it. There could be drug interactions with quinidine sulfate. Tell your doctor about all of your prescription, over-the-counter, and dietary supplements that you are taking.

Dosages

The drug quinidine sulfate is offered as a tablet and an injectable. Three times per day of 300 mg is typically the starting dose. Depending on the situation, the dose may be raised by 100–200 mg every six to eight hours. To prevent stomach upset, quinidine sulfate should be taken with food or milk.

Quinidine sulfate injection is administered intravenously. The typical starting dose is 10 mg/kg administered over 30 minutes, followed by a 2-4 mg/kg/hour maintenance infusion.

Precautions

In patients with liver, kidney, or heart disease, quinidine sulfate should be used cautiously. Women who are nursing or pregnant shouldn't use it. There could be drug interactions with quinidine sulfate.

Uses

Heart rhythm irregularities are treated with quinidine sulfate.