3-rx.comCustomer Support
HomeAbout UsFAQContactHelp
News Center
Health Centers
Medical Encyclopedia
Drugs & Medications
Diseases & Conditions
Medical Symptoms
Med. Tests & Exams
Surgery & Procedures
Injuries & Wounds
Diet & Nutrition
Special Topics

\"$alt_text\"');"); } else { echo"\"$alt_text\""; } ?>

You are here : 3-RX.com > Drugs & Medications > Quick Drug Information (DrugNotes) > Tocainide Hydrochloride (Oral)

Tocainide Hydrochloride (By Mouth)

Tocainide Hydrochloride (toe-KAY-nide hye-droe-KLOR-ide)

Treats irregular heartbeats (arrhythmias). Belongs to the group of drugs called class antiarrhythmics.

Brand Name(s):

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have had an allergic reaction to tocainide, mexiletine, or lidocaine in the past.

How to Use This Medicine:


  • Take this medicine exactly as your doctor ordered, even if you feel fine.
  • May be taken with food or milk to lessen stomach upset.
  • You may need to carry identification saying that you are taking tocainide. Ask you doctor about this.

If a dose is missed:

  • Take the missed dose as soon as you can, unless you are more than 4 hours late.
  • If more than 4 hours late, skip the missed dose and take your medicine at your usual time.
  • You should not use two doses at the same time.
How to Store and Dispose of This Medicine:

  • Store at room temperature, away from heat, moisture, and direct light.
  • Keep all medicine out of the reach of children.
Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Make sure your doctor knows if you are taking cimetidine (Tagamet®), or other heart medicines such as Inderal® or Lopressor®.
Warnings While Using This Medicine:

  • Check with your doctor before taking tocainide if you have heart (congestive heart failure), kidney, or liver disease.
  • Tell your doctor or dentist that you are taking tocainide before having any kind of surgery.
  • Do not suddenly stop taking this medicine without checking with your doctor.
  • Talk with your doctor before use if you are pregnant or breastfeeding.
  • Tocainide makes some people dizzy or drowsy, be careful if you drive a car or operate machinery.
Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

  • Fast, pounding, or irregular heartbeat
  • Chest pain
  • Shortness of breath or trouble breathing
  • Wheezing or coughing
  • Yellowing of the skin or eyes
  • Blurred vision
  • Fever, chills, or sore throat
  • Mouth sores, unusual bruising or bleeding
  • Skin rash, severe itching or hives
  • Blisters, scaling or peeling of skin

If you notice these less serious side effects, talk with your doctor:

  • Dizziness, lightheadedness, or drowsiness
  • Headache or confusion
  • Nausea, vomiting, or loss of appetite
  • Diarrhea
  • Sweating, trembling, or shaking
If you notice other side effects that you think are caused by this medicine, tell your doctor.

\"$alt_text\"');"); } else { echo"\"$alt_text\""; } ?>

Home | About Us | FAQ | Contact | Advertising Policy | Privacy Policy | Bookmark Site