Helidac

Generic name:bismuth subsalicylate, metronidazole, and tetracycline [ BIZ-muth-sub-sa-LISS-i-late, MET-roe-NYE-da-zole, and-tet-ra-SYE-kleen ]
Drug class:H. pylori eradication agents

Medically reviewed by Drugs.com on Sep 14, 2021. Written by Cerner Multum.

What is Helidac (Helidac)?

Bismuth subsalicylate potassium, metronidazole, and tetracycline (Helidac) is a combination medicine used to treat peptic ulcer (duodenal ulcer) with Helicobacter pylori infection. Helidac is usually given together with another medicine to reduce stomach acid.

Helidac may also be used for purposes not listed in this medication guide.

Warnings

Do not drink alcohol or consume foods or medicines that contain propylene glycol while you are taking Helidac and for at least 3 days after you stop taking it.

Metronidazole has caused cancer in animal studies. It is not known whether this would occur in humans taking Helidac.

Before taking this medicine

You should not use Helidac if you are allergic to bismuth subsalicylate potassium, metronidazole, or tetracycline, or if:

• you have severe kidney disease;

• you drink alcohol daily;

• you regularly consume foods or medicines that contain propylene glycol;

• you took disulfiram (Antabuse) within the past 14 days;

• you also use methoxyflurane; or

• you are allergic to aspirin.

Tell your doctor if you have ever had:

• 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.

Metronidazole has caused cancer in animal studies. It is not known whether this would occur in humans taking Helidac. Ask your doctor about the risk.

Do not use Helidac if you are pregna...