Isoniazid
Medical Review


Last updated:
Uses of Isoniazid
Isoniazid is mainly used for the treatment and prevention of tuberculosis, including both active TB disease and latent TB infection. It helps reduce the risk of developing symptomatic TB in individuals who have been exposed to the bacteria. Buy Isoniazid online in Malaysia easily and conveniently from DoctorOnCall.
How Isoniazid Works
Isoniazid works by interfering with the synthesis of mycolic acid, an essential component of the bacterial cell wall, thereby killing the TB bacteria and stopping their growth.
Side Effects of Isoniazid
- Nausea or vomiting
- Fatigue or tiredness
- Tingling in hands and feet (peripheral neuropathy)
- Abdominal discomfort
- Mild rash or skin reactions
- Elevated liver enzymes
Information About Isoniazid
Isoniazid is an antibiotic used primarily to treat and prevent tuberculosis (TB), a serious infection caused by the Mycobacterium tuberculosis bacteria. It belongs to the drug class known as antimycobacterials. Doctors commonly prescribe it either alone or in combination with other medications to manage latent or active TB infections. Find affordable Isoniazid options from trusted brands at DoctorOnCall.
Safety Advice
Pregnancy
This medicine should only be used during pregnancy if prescribed by a doctor after careful evaluation.
Breastfeeding
Use with caution. Monitor infant for potential adverse reactions.
Kidney
Use cautiously. Dose adjustment or monitoring may be required.
Liver
Use cautiously. Liver function monitoring may be required.
Alcohol
It is not advisable to consume alcohol while taking this medicine.
Driving
Use caution while driving until you know how this medicine affects you.
Conclusion
Consult our doctors online for safe and effective use of Isoniazid. Find the best prices for Isoniazid tablets at DoctorOnCall Malaysia and ensure you’re getting quality treatment delivered directly to your door.
Frequently Asked Questions
Where can I buy Isoniazid online in Malaysia?
You can securely buy Isoniazid online in Malaysia through DoctorOnCall, with consultation and delivery options available.
Do I need a prescription to purchase Isoniazid?
Yes, Isoniazid is a prescription-only medication. Please consult with a licensed doctor before placing your order.
How much does Isoniazid cost in Malaysia?
The price varies depending on the dosage and brand. Find affordable Isoniazid tablets at DoctorOnCall.
Can I take Isoniazid together with other TB medications?
Yes, Isoniazid is often prescribed in combination with other TB drugs. Always follow your doctor’s recommendations.
What should I do if I miss a dose of Isoniazid?
Take the missed dose as soon as you remember. Skip it if it’s almost time for the next dose — do not double-dose.
Is Isoniazid safe for long-term use?
Under medical supervision, Isoniazid can be used safely over the treatment period advised, typically 6 to 9 months for TB.
Are there any food restrictions while taking Isoniazid?
Avoid foods containing tyramine (e.g., aged cheese, cured meats), as they may interact with the medication in rare cases.
Available Isoniazid Medicines
No medicines currently available for this active ingredient.




