Isoniazid

Isoniazid Coupons & Discount Card - Compare Prices Near You

Our coupons are free to use. Before paying, show the pharmacist your Isoniazid savings card to get your free discount. Use our filters below to edit the prescription box to match your needs. The Isoniazid prices will update based on your prescription needs. Above our Isoniazid coupons, you can change your location to see pharmacy prices and costs in other areas. We're here to help you buy Isoniazid at the lowest price with our prescription discount card.

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10ML of 100MG/ML, Isoniazid (1 Vial)

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CVS

$306.69

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Walmart

$285.54

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Walgreens

$296.53

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Rite Aid

$297.48

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Isoniazid savings card

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CVS

$306.69

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Isoniazid dosage forms

The average cost for 30 tablets of 40mg of Isoniazid is $6.60 with a free coupon. This is 89.91% off the average retail price of $65.44.
DosageQuantityPrice fromPer unit
10ML of 100MG/ML1 Vial$285.54$285.54

Warnings

Isoniazid, though infrequently, can lead to severe and potentially life-threatening liver disease. The likelihood of developing liver issues is higher for individuals aged 35 and older, those who consume alcohol or use illicit injectable drugs, and those with existing chronic liver conditions.

  • Contact your healthcare provider immediately if you notice any signs of liver disease, such as persistent nausea or vomiting, intense stomach or abdominal pain, unusual fatigue, dark urine, or yellowing of the eyes or skin.
  • Your doctor will likely monitor your liver health with regular liver function tests during your treatment. It is important to attend all scheduled medical and laboratory appointments.

Isoniazid Side Effects

Experiencing nausea, vomiting, or an upset stomach is common when taking this medication. These symptoms are usually mild, but if they persist or worsen, it's important to consult with a healthcare professional. While many individuals do not encounter serious side effects, there are some that require immediate attention.

Serious side effects include numbness or tingling in the arms or legs, loss of coordination, painful or swollen joints, increased thirst or urination, changes in vision, easy bruising or bleeding, and any mental or mood changes like confusion or psychosis. Difficulty speaking and seizures are also serious concerns and should be addressed without delay.

Though rare, an allergic reaction to this medication can occur. Seek urgent medical care if you experience persistent fever, new or worsening lymph node swelling, rash, itching, swelling particularly of the face, tongue, or throat, severe dizziness, or trouble breathing. This list may not cover all possible side effects, so if you observe any unusual symptoms, it's advised to reach out to a healthcare provider for guidance.

Interactions

Some medications that can interact with this drug include acetaminophen, specific azole antifungals like itraconazole and ketoconazole, disulfiram, MAO inhibitors such as isocarboxazid, linezolid, metaxalone, methylene blue, moclobemide, phenelzine, procarbazine, rasagiline, safinamide, selegiline, and tranylcypromine, phenytoin, SSRI antidepressants like fluoxetine and sertraline, and valproic acid. Additionally, this drug may affect certain laboratory tests, such as urine glucose tests, potentially leading to incorrect results. Ensure that all healthcare providers and laboratory personnel are aware that you are taking this medication.
Isoniazid FAQs
What should be monitored while taking isoniazid?

While taking isoniazid, it is important to monitor liver function tests regularly, as the medication can cause hepatotoxicity. Additionally, patients should be observed for signs of peripheral neuropathy, and vitamin B6 (pyridoxine) supplementation may be recommended to prevent this side effect. Monitoring for symptoms of hypersensitivity reactions and adherence to the medication regimen is also important.

The most noted side effect associated with isoniazid is peripheral neuropathy. This condition involves damage to the nerves outside the brain and spinal cord, often resulting in symptoms such as tingling, numbness, or pain in the hands and feet. To prevent this side effect, patients are often co-prescribed vitamin B6 (pyridoxine).

The most common side effect of isoniazid is peripheral neuropathy, which is characterized by numbness or tingling in the hands and feet. This side effect is more likely to occur in individuals with certain risk factors, such as diabetes, malnutrition, or alcohol use disorder. To prevent this, vitamin B6 (pyridoxine) is often prescribed alongside isoniazid.

Isoniazid is associated with a deficiency in vitamin B6, also known as pyridoxine. It is often recommended to supplement with vitamin B6 when taking isoniazid to prevent peripheral neuropathy and other related side effects.

The most common side effect of isoniazid is peripheral neuropathy, which is characterized by numbness or tingling in the hands and feet. This side effect is more likely to occur in individuals with certain risk factors, such as malnutrition, diabetes, or alcohol use disorder. To prevent this, vitamin B6 (pyridoxine) is often prescribed alongside isoniazid.