How does isoniazid treat tuberculosis

Symptoms may include: skin rash, fever, swollen glands, flu-like symptoms, muscle aches, severe weakness, unusual bruising, or yellowing of your skin or eyes. This reaction may occur several weeks after you began using isoniazid.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. Many drugs can interact with isoniazid. This includes prescription and over-the-counter medicines, vitamins, and herbal products.

Not all possible interactions are listed in this medication guide. Tell your doctor about all medicines you use, and those you start or stop using during your treatment with isoniazid. Give a list of all your medicines to any healthcare provider who treats you. Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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Learn how we develop our content. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated. The following are some of the side effects that are known to be associated with this medicine. Just because a side effect is stated here does not mean that all people using this medicine will experience that or any side effect. The side effects listed above may not include all of the side effects reported by the medicine's manufacturer.

For more information about any other possible risks associated with this medicine, please read the information provided with the medicine or consult your doctor or pharmacist. It is important to tell your doctor or pharmacist what medicines you are already taking, including those bought without a prescription and herbal medicines, before you start treatment with this medicine. Similarly, check with your doctor or pharmacist before taking any new medicines while taking this one, to make sure that the combination is safe.

Antacids used to treat indigestion and heartburn may reduce the absorption of this medicine from the gut. You should not take antacids at the same time of day as this medicine. Isoniazid may prevent the breakdown by the liver of the medicines listed below, which may increase the amount of these medicines in the blood and hence the risk of their side effects.

There may be an increased risk of side effects on the liver if isoniazid is used in combination with other medicines that can have side effects on the liver, for example paracetamol. You should limit your use of paracetamol while you are taking isoniazid. Ask your doctor or pharmacist for further advice. Oral typhoid vaccine Vivotif should not be taken until at least three days after you have finished a course of this antibiotic, because the antibiotic could make the vaccine less effective.

Rifinah contains isoniazid in combination with rifampicin. Rifater contains isoniazid in combination with rifampicin and pyrazinamide. Voractiv contains isoniazid in combination with rifampicin, pyrazinamide and ethambutol. Last updated Parenting Mental health Healthy eating Conditions Follow.

Type keyword s to search. What is it used for? Treatment of tuberculosis in combination with other anti-tuberculosis medicines. Preventing tuberculosis, for example in close contacts of people with the disease.

How does it work? How do I take it? Your doctor will tell you how many tablets to take and how often to take them. It is important to take the medicine regularly, as instructed by your doctor. The instructions will also be printed on the label that your pharmacist has put on the packet of medicine. For details see our conditions. Isoniazid is one of several medicines that you will need to take to treat tuberculosis TB.

It is important that you take the tablets regularly every day. The ideal time to take the tablets is half an hour before breakfast. In this article About isoniazid Before taking isoniazid How to take isoniazid Getting the most from your treatment Can isoniazid cause problems? How to store isoniazid Important information about all medicines.

Isoniazid for tuberculosis In this article About isoniazid Before taking isoniazid How to take isoniazid Getting the most from your treatment Can isoniazid cause problems? Common isoniazid side-effects What can I do if I experience this? Tingling feelings, muscle weakness Let your doctor know as soon as possible Dizziness If affected do not drive and do not use tools or machines until you feel better Feeling sick nausea or being sick vomiting Stick to simple meals - avoid rich or spicy food.

Drink plenty of liquid to replace any lost fluids Dry mouth Try chewing sugar-free gum or sucking sugar-free sweets High temperature fever , skin rash, hearing problems, mood changes, difficulty passing urine If any of these become troublesome, speak with your doctor. If you have any questions about this medicine ask your pharmacist.

Are you protected against flu? Further reading and references. Keep all your medical appointments. Your doctor or nurse will help make sure your treatment is going well. How do I prevent active TB disease?

Why should I take medicine if I do not feel sick? Sleeping TB germs are much easier to kill before they wake up and make you sick. What if I do not take the medicine? What if I have had a BCG vaccine? What if I move away?