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Treats tuberculosis (TB).
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| Overview |
Photos |
How To Use |
Side Effects |
Precautions |
Missed Dose |
Drug Interactions |
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Isoniazid
Uses
Treats tuberculosis (TB).
Storage
- Store at room temperature, away from heat, moisture, and direct light.
- Do not freeze.
Keep all medicine out of the reach of children.
How To Use
- APPEARANCE: Tablet, Liquid.
Your doctor will tell you how much medicine to take and how often.
- It is very important to take this medicine on a regular schedule.
You may need to take isoniazid for several weeks or months.
- Keep taking it even if you have no symptoms.
- Your doctor will tell you when you can stop taking it.
Take on an empty stomach (1 hour before or 2 hours after a meal).
- May be taken with food to avoid stomach upset.
Shake the oral liquid well just before each use.
- Measure the dose using a marked measuring spoon or medicine cup.
Side Effects
- Call your doctor right away if you notice any of these side effects:
Yellow skin or eyes
Dark or amber-colored urine
Severe stomach pain, nausea and vomiting
Weakness
Blurred vision, eye pain
Fever
Precautions
- You should not use this medicine if you have ever had an allergic reaction to isoniazid or reactions such as fever, chills, or arthritis from taking this medicine.
- You should not use isoniazid if you have liver damage from taking it before, or if you have severe liver disease of any type.
Missed Dose
- Take the missed dose as soon as possible.
Skip the missed dose if it is almost time for your next regular dose.
You should not use two doses at the same time.
Drug Interactions
- If you are pregnant or breastfeeding, talk to your doctor before taking this medicine.
Check with your doctor before taking if you have kidney or liver disease, or if you are being treated for seizures.
Isoniazid can cause liver problems.
- It is very important that you see your doctor on a regular schedule and have blood tests done as ordered.
Isoniazid can affect the results of some urine sugar tests.
- If you have diabetes do not change your medicine or diet unless you have checked with your doctor.
If you notice tingling, numbness, or pain in your hands or feet, contact your doctor.
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgement of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.
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