For irregular heartbeat.
Generic Name: Quinidine Sulfate
Instructions
It is better to take this medicine on an empty stomach. However, if the medicine is not tolerated well, it may be taken with food.
Sit or stand upright for 10 minutes after taking the medicine. Do not lie down.
Swallow with a full glass (8 oz) of water unless your doctor gives you different instructions.
This medicine will work best if you take it at about the same time every day.
Store at room temperature away from heat, light, and moisture. Do not keep in the bathroom.
Avoid grapefruit and grapefruit juice while on this medicine.
Tell your doctor if you have severe or persistent sweating, diarrhea or vomiting. These can increase your risk of a serious side effect.
It is important that you keep taking each dose of this medicine on time even if you are feeling well.
If you forget to take a dose on time, take it as soon as you remember. If it is almost time for the next dose, do not take the missed dose. Return to your normal schedule. Do not take 2 doses at one time.
Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.
Tell your doctor if symptoms do not get better or if they get worse.
If you need to stop this medicine, your doctor may wish to gradually reduce the dosage before stopping.
Try to keep the amount of salt in foods about the same each day. Changes in the amount of salt taken may change how this medicine works.
Keep all appointments for medical exams and tests while on this medicine.
Cautions
Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.
Some patients taking this medicine have experienced serious side effects. Please speak with your doctor to understand the risks and benefits associated with this medicine.
Do not use the medication any more than instructed.
This medicine may cause dizziness or fainting, especially after exercising or in hot weather. Be very careful when standing or sitting up quickly.
If possible, avoid using with marijuana or other medicines that can cause dizziness or drowsiness. These include allergy/cold products, muscle relaxers, sleep aids, and pain relievers.
Your ability to stay alert or to react quickly may be impaired by this medicine. Do not drive or operate machinery until you know how this medicine will affect you.
Please check with your doctor before drinking alcohol while on this medicine.
Avoid becoming overheated during exercise or other activities. Try to stay cool in hot weather.
Tell the doctor or pharmacist if you are pregnant, planning to be pregnant, or breastfeeding.
Always carry an ID card or wear a medical alert bracelet indicating your medical condition.
Do not share this medicine with anyone who has not been prescribed this medicine.
Side Effects
The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.
- decreased appetite
- diarrhea
- persistent heartburn
- nausea and vomiting
- stomach upset or abdominal pain
Call your doctor or get medical help right away if you notice any of these more serious side effects:
- bleeding or bruising
- chest pain
- pain in the eye
- fainting
- hearing loss
- rapid heartbeat
- slow heartbeat
- signs of liver damage (such as yellowing of eye or skin, dark urine, or unusual tiredness)
- joint or muscle pain
- shakiness
- sore throat
- sweating
- blurring or changes of vision
- severe or persistent vomiting
A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.
Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.
IMPORTANT NOTE: This document tells you briefly how to take your medicine, but it does not tell you all there is to know about it. Your doctor or pharmacist may give you other documents about your medicine. Please talk to them if you have any questions. Always follow their advice.
There is a more complete description of this medicine available in English. Scan this code on your smartphone or tablet or use the web address below. You can also ask your pharmacist for a printout. If you have any questions, please ask your pharmacist.
The display and use of this drug information is subject to Terms of Use.
More information about QUINIDINE - ORAL
Copyright(c) 2023 First Databank, Inc.
Selected from data included with permission and copyright by First DataBank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.
Conditions of Use: The information in this database is intended to supplement, not substitute for the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment. The display and use of this drug information is subject to express Terms of Use.
