Combutol Tablet (Ethambutol)

Ethambutol is an essential medication used in the treatment of tuberculosis (TB), particularly in combination with other anti-TB drugs. It is commonly known by the brand name Myambutol and Combutol.

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Combutol 200mg Tablet (Ethambutol 200mg)

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Combutol 400mg Tablet (Ethambutol 400mg)

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Combutol 600mg Tablet (Ethambutol 600mg)

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30 Tablet/s $7.00
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Combutol 800mg Tablet (Ethambutol 800mg)

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30 Tablet/s $8.00
60 Tablet/s $16.00
90 Tablet/s $22.00

Combutol 1000mg Tablet (Ethambutol 1000mg)

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30 Tablet/s $9.00
60 Tablet/s $18.00
90 Tablet/s $25.00

What is Combutol Tablet (Ethambutol)?

Ethambutol is an essential medication used in the treatment of Tuberculosis (TB), particularly in combination with other anti-TB drugs. It is commonly known by the brand name Myambutol. Ethambutol belongs to the class of drugs known as antimycobacterial agents and works by inhibiting the growth of the tuberculosis-causing bacteria, Mycobacterium tuberculosis. This drug is an important component of the standard regimen for both drug-sensitive and drug-resistant TB cases. Myambutol is the brand name under which Ethambutol is commonly sold. It has the same active ingredient and therapeutic effects as Ethambutol but may be marketed and distributed under different names in various countries.

Dosage Information:

The dosage of Ethambutol is determined based on the weight of the patient and the severity of the TB infection. It is usually taken orally as a tablet. The typical adult dosage for TB treatment is 15 to 25 mg/kg body weight once daily, with a maximum dose of 2.5 grams. For pediatric patients, the dosage is adjusted according to body weight. It is crucial to follow the prescribed dosage and complete the full course of treatment to ensure successful eradication of the TB bacteria and to prevent the development of drug-resistant strains.

Is Ethambutol safe?

Ethambutol is generally safe when used as prescribed by a healthcare professional. However, like all medications, it may cause side effects in some individuals. Before starting Ethambutol, patients should inform their healthcare provider about their medical history, existing health conditions, and any medications they are currently taking to avoid potential drug interactions or adverse reactions. Regular monitoring of visual function is essential during treatment to identify any ocular side effects promptly.

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When Using Combutol Tablet (Ethambutol), It Is Important To Take Certain Precautions

  • Hypersensitivity: Patients with known hypersensitivity to Ethambutol should avoid its use. Allergic reactions to the drug may manifest as skin rashes, itching, or difficulty breathing, and immediate medical attention should be sought if such symptoms occur.
  • Liver and Kidney Impairment: Individuals with liver or kidney problems should exercise caution while using Ethambutol. Dose adjustments may be necessary in such cases to prevent drug accumulation and potential toxicity.
  • Visual Impairment: Ethambutol/Myambutol has been associated with visual disturbances, particularly changes in color perception and visual acuity. Patients should undergo regular eye examinations during treatment, and if any visual changes occur, the medication should be discontinued, and a healthcare professional should be consulted immediately.
  • Pregnancy and Breastfeeding: The safety of Ethambutol during pregnancy and breastfeeding has not been conclusively established. It is essential for pregnant or breastfeeding women to discuss the potential risks and benefits with their healthcare provider before using this medication.

Some of the specific indications for Combutol Tablet (Ethambutol) include


Ethambutol/Myambutol is a Life-Saving Drug, primarily used in the treatment of tuberculosis, either as a first-line or second-line agent, depending on the drug susceptibility of the Mycobacterium tuberculosis strain. It is usually prescribed in combination with other anti-TB drugs to form a multidrug regimen. The combination therapy helps prevent the development of drug-resistant TB strains and ensures a higher likelihood of treatment success.

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Crucial Side Effects to Be Observed When Using Combutol Tablet (Ethambutol)


While Ethambutol is generally well-tolerated, like all medications, it can cause side effects in some individuals. Common side effects may include:

  • Gastrointestinal disturbances (nausea, vomiting, diarrhea)
  • Loss of appetite
  • Headache
  • Fatigue or weakness
  • Joint pain
  • Dizziness


Serious side effects are rare but may include:

  • Visual disturbances (blurred vision, color blindness)
  • Peripheral neuropathy (tingling or numbness in the hands and feet)
  • Allergic reactions (rash, itching, swelling, difficulty breathing)
  • Patients experiencing severe side effects should seek immediate medical attention.

Answers to Common Inquiries about Ethambutol Tablet

Can Ethambutol/Myambutol be used as a standalone treatment for tuberculosis?

Answer: No, Ethambutol is not used as a monotherapy for tuberculosis. It is an essential component of combination therapy, where it is prescribed alongside other anti-TB drugs to ensure effective treatment and prevent the development of drug-resistant strains.

Is Ethambutol suitable for children with tuberculosis?

Answer: Yes, Ethambutol can be used to treat tuberculosis in children. However, the dosage is adjusted based on their body weight to ensure safe and appropriate treatment.

Can Ethambutol cause permanent visual impairment?

Answer: In rare cases, Ethambutol may cause visual disturbances, but they are usually reversible upon discontinuation of the medication. Regular eye check-ups during treatment can help identify any potential visual issues early.

Can Ethambutol be used during pregnancy?

Answer: Ethambutol should be used during pregnancy only if the benefits outweigh the risks. Pregnant women should discuss their condition with a healthcare provider to explore safer treatment options.

Is it safe to consume alcohol while taking Ethambutol?

Answer: Alcohol should be avoided during TB treatment, including Ethambutol, as it may increase the risk of liver toxicity and interfere with the effectiveness of the medication. Patients should refrain from alcohol consumption until completing the full course of treatment as advised by their healthcare provider.

Significant Drug Interactions that Require Attention For Combutol Tablet (Ethambutol)

  • Antacids: Concomitant use of antacids may reduce the absorption of Ethambutol, leading to decreased effectiveness. It is advisable to separate the administration of antacids and Ethambutol by a few hours.
  • Rifampin: Ethambutol's effectiveness may be reduced when used in combination with rifampin, another anti-TB drug. If co-administration is necessary, close monitoring of the patient's response to treatment is essential.
  • Isoniazid: Ethambutol/Myambutol may enhance the effects of isoniazid when used together. Close monitoring is necessary to avoid potential adverse reactions.
  • Vitamin B6: Concurrent use of Ethambutol with vitamin B6 supplements may reduce the risk of developing certain neurological side effects associated with the medication.
More Information Demo
Manufacturer : Lupin Pharma, India
Equivalent Brand : Myambutol
Generic Search : Ethambutol