August 23, 2016
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Helidac Patient Information including How Should I Take

What should I discuss with my healthcare provider before taking Helidac (Helidac)?

You should not use this medication if:

  • you have kidney or liver disease;
  • you are pregnant or breast-feeding;
  • you have taken disulfiram (Antabuse) in the past 14 days; or
  • you are allergic to aspirin, bismuth subsalicylate (Kaopectate, Pepto-Bismol), metronidazole, or tetracycline.

To make sure Helidac is safe for you, tell your doctor if you have:

  • a history of kidney or liver disease;
  • a nervous system disorder such as Alzheimer's disease, multiple sclerosis, or Parkinson's disease;
  • a head injury or brain tumor; or
  • a seizure disorder.

Do not give this medication to a child younger than 8 years old. Tetracycline can cause permanent yellowing or graying of the teeth, and it can affect a child's growth.

FDA pregnancy category D. Do not use this medicine if you are pregnant. It could harm the unborn baby. Tetracycline can cause permanent tooth discoloration later in life and can also affect a child's growth.

Tetracycline can make birth control pills less effective. Ask your doctor about using non-hormonal birth control (condom, diaphragm with spermicide) to prevent pregnancy while taking Helidac.

Metronidazole and tetracycline can pass into breast milk and may harm a nursing baby. You should not breast-feed while using this medicine.

How should I take Helidac (Helidac)?

Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.

Chew and swallow the bismuth subsalicylate tablets.

Do not chew the metronidazole or tetracycline pills. Swallow each pill whole.

To prevent heartburn and damage to the esophagus, be sure to take each dose (especially the bedtime dose) with a full glass of water (8 ounces).

Take all 4 pills four times daily with meals and at bedtime.

Take this medicine for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared. Skipping doses may also increase your risk of further infection that is resistant to antibiotics. Bismuth subsalicylate, metronidazole, and tetracycline will not treat a viral infection such as the common cold or flu.

Store at room temperature away from moisture and heat.

Side Effects Centers

Helidac - User Reviews

Helidac User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Helidac sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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