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Molecule Description

Cycloserine is used to treat tuberculosis. It inhibits the formation of the outer sheath of bacteria and helps to treat tuberculosis.

Uses of Cycloserine

Cycloserine is primarily used to treat tuberculosis in conjugation with other medicines for tuberculosis. It may also be recommended for urinary tract infections.

Contraindications of Cycloserine

When should one not use Cycloserine

  • Allergic reactions
  • A disorder in which nerve cell activity in the brain is disturbed (Epilepsy)
  • Depression
  • Severe anxiety
  • Psychosis
  • Decrease in the blood flow to the kidney (severe renal insufficiency)
  • Concurrent usage of alcohol

Side effects of Cycloserine

Common side effects of this drug are:

  • Headache
  • Giddiness
  • Dizziness
  • Swelling
  • Rashes (particularly on face/ tongue/ throat)
  • Itching
  • Breathing difficulty
  • Tingling sensation
  • Depression
  • Increased heart rate

Precautions and Warnings of Cycloserine


Can I take Cycloserine during pregnancy?
It is probably unsafe to take this medicine during pregnancy due to a lack of evidence showing safety.

Breast Feeding

Can I take Cycloserine while breastfeeding?
It is probably unsafe to take this medicine during breastfeeding as it may pass into breast milk.


Can I drive if I have consumed Cycloserine?
Taking this medicine usually does not affect your ability to drive.


Can I consume alcohol with Cycloserine?
Alcohol should be avoided with this medicine as it causes drowsiness.

Other General Warnings

Talk to your doctor if
  • Talk to your doctor if you have:
  • Psychosis
  • Sleep disturbances
  • Depression
  • Fits

Mode of Action of Cycloserine

How Does It Work?

Cycloserine works by preventing the growth of certain type of bracterias (Gram-positive and Gram-negative) and also Mycobacterium tuberculosis (bacteria that causes tuberculosis).

Interactions of Cycloserine

Interactions with other medicines

Before you start a treatment with Cycloserine, make sure to inform your doctor and healthcare professional about all the medications you use (including prescription and nonprescription medications, and herbal products). Tell your doctor if you are taking any product that causes drowsiness, including alcohol, anti-allergic medicine like (Cetirizine, Diphenhydramine), anti-anxiety medicines (Diazepam, Zolpidem, Alprazolam), muscle relaxant and narcotics.
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Interactions with food items

Do not eat grapefruit unless your doctor guides.

Dietary Restrictions of Cycloserine

No information is available on dietary restrictions while you are taking Cycloserine, consult your doctor or pharmacist for details.

Dosage of Cycloserine


Overdose of Cycloserine may lead to headache, giddiness, fatigue, altered sensation, change in mental condition, etc.

Missed a Dose

Take the missed dose as early as you remember. If you miss a dose; do not take extra medicine to compensate for the missed dose.

Frequently Asked Questions (FAQs)


Q: What special precautions should I follow?

A: It is recommended to monitor the liver and kidney functions during treatment with Cyclosporine, as it may cause toxicity to the liver and kidneys. During its use, you should not start any new medicine, or discontinue or modify the dosage of Cycloserine, or any other medicines you are taking without talking to your doctor.

Q: When and how to consume the medicine?

A: It is recommended to use the medicine according to the method prescribed by your doctor. Cycloserine should be mostly taken with food as it reduces the stomach irritation. Your doctor may increase the dosage, based on a blood test.
Last Updated on: 05 Oct 2020 | 10:47 PM (IST)

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The information provided herein is accurate, updated and complete as per the best practices of the Company. Please note that this information should not be treated as a replacement for physical medical consultation or advice. We do not guarantee the accuracy and the completeness of the information so provided. The absence of any information and/or warning to any drug shall not be considered and assumed as an implied assurance of the Company. We do not take any responsibility for the consequences arising out of the aforementioned information and strongly recommend you for a physical consultation in case of any queries or doubts. Please click here for detailed T&C.
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