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Seromycin

Generic name: cycloserine

Last updated November 3, 2026 0 views
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What is Seromycin?

Seromycin is an antibiotic that is used to treat tuberculosis (TB).

Seromycin is also used to treat bladder or kidney infections.

Seromycin is usually given after other medications did not work or have stopped working.

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

This section was rewritten for readability and reviewed for meaning.

How should I take Seromycin?

Your doctor will perform a blood test to ensure that Seromycin is the right treatment for your condition.

Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.

Use this medicine for the entire prescribed length of time, even if your symptoms improve quickly. Skipping doses can increase your risk of infections that are resistant to medication. Seromycin will not treat a viral infection such as the flu or a common cold.

You will need frequent medical tests.

Tuberculosis is often treated with a combination of medications. Use all medications as directed and read all medication guides you receive. Do not change your dose or dosing schedule without your doctor's advice.

Store at room temperature away from moisture and heat.

This section was rewritten for readability and reviewed for meaning.

Warnings

Follow all instructions on your medicine label and package. Inform each of your healthcare providers about all your medical conditions, allergies, and all medicines you are taking.

This section was rewritten for readability and reviewed for meaning.

Before taking this medicine

You should not use Seromycin if you are allergic to it, or if you have:

  • epilepsy or another seizure disorder;
  • depression, anxiety, or mental illness;
  • severe kidney disease; or
  • if you drink large amounts of alcohol.

Seromycin is not approved for use by anyone younger than 18 years old.

Tell your doctor if you have ever had:

  • a seizure; or
  • kidney problems.

It is not known whether Seromycin will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

You should not breast-feed while using Seromycin.

This section was rewritten for readability and reviewed for meaning.

Seromycin side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Seromycin may cause serious side effects. Call your doctor right away if you have:

  • a seizure;
  • confusion, a depressed mood, unusual thoughts or behavior;
  • severe drowsiness, severe dizziness, or a spinning sensation;
  • swelling, rapid weight gain;
  • overactive reflexes, tremors, or shaking;
  • trouble speaking; or
  • muscle weakness.

Common side effects of Seromycin may include:

  • dizziness, drowsiness;
  • mood changes;
  • headache; or
  • numbness, tingling, burning pain.

This is not a complete list of side effects, and others may happen. Call your doctor for medical advice about side effects. You can report side effects to the FDA at 1-800-FDA-1088.

This section was rewritten for readability and reviewed for meaning.

What happens if I miss a dose?

Take the medicine as soon as possible, but skip the missed dose if it is close to the time for your next dose. Do not take two doses at the same time.

This section was rewritten for readability and reviewed for meaning.

What happens if I overdose?

Seek emergency medical help or call the Poison Help line at 1-800-222-1222.

Signs of an overdose may include confusion, extreme drowsiness, a tingly feeling, difficulty with muscle movement, slurred speech, seizures, or loss of consciousness.

Do not drink alcohol. It may raise your risk of seizures or other side effects.

Avoid driving or doing dangerous activities until you know how Seromycin will affect you. Your reactions could be affected.

This section was rewritten for readability and reviewed for meaning.

What other drugs will affect Seromycin?

Tell your doctor about all your other medicines, especially:

  • ethionamide; or
  • isoniazid.

This list does not include everything. Other drugs may affect Seromycin, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are included here.

This section was rewritten for readability and reviewed for meaning.

Related medicines

Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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Content is provided for education and is not medical advice. See our medical disclaimer.