Drug Interactions between IsonaRif and Magaant

Citrate, or citric acid, can increase the absorption of aluminum hydroxide. This may lead to elevated blood levels of aluminum, particularly in individuals with reduced kidney function, since aluminum is primarily eliminated by the kidneys. Excess aluminum may deposit and cause problems in various tissues including bone, brain, heart, liver, muscles, and spleen. Over time, weak bones, bone pain, fractures, skeletal deformity, brain disorders, and anemia may develop. Talk to your doctor before using aluminum hydroxide if you have kidney impairment or are on hemodialysis. You should avoid or limit the consumption of citrate-containing foods and beverages (e.G., soft drinks, citrus fruits, fruit juices) during treatment with aluminum hydroxide. Be aware that some effervescent and dispersible drug formulations may also contain citrate and should be restricted as well. Even if you do not have kidney problems, it may be best to separate the dosing of aluminum hydroxide and citrate-containing products by 2 to 3 hours. Talk to a healthcare professional if you have any questions or concerns. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

When aluminum hydroxide is taken during enteral nutrition therapy (tube feeding), the tube may get clogged. Therefore, aluminum hydroxide should not be mixed with or given after high-protein tube feedings. The dose should be separated from the feeding by as much as possible, and the tube should be thoroughly flushed before administration of the dose.

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Consumer information for this interaction is not currently available.

GENERALLY AVOID: Concurrent use of rifampin in patients who ingest alcohol daily may result in an increased incidence of hepatotoxicity. The increase in hepatotoxicity may be due to an additive risk as both alcohol and rifampin are individually associated with this adverse reaction. However, the exact mechanism has not been established.

ADJUST DOSING INTERVAL: Administration with food may reduce oral rifampin absorption, increasing the risk of therapeutic failure or resistance. In a randomized, four-period crossover phase I study of 14 healthy male and female volunteers, the pharmacokinetics of single dose rifampin 600 mg were evaluated under fasting conditions and with a high-fat meal. Researchers observed that administration of rifampin with a high-fat meal reduced rifampin peak plasma concentration (Cmax) by 36%, nearly doubled the time to reach peak plasma concentration (Tmax) but reduced overall exposure (AUC) by only 6%.

MANAGEMENT: The manufacturer of oral forms of rifampin recommends administration on an empty stomach, 30 minutes before or 2 hours after meals. Patients should be encouraged to avoid alcohol or strictly limit their intake. Patients who use alcohol and rifampin concurrently or have a history of alcohol use disorder may require additional monitoring of their liver function during treatment with rifampin.

Food decreases the levels of isoniazid in your body. Take isoniazid on an empty stomach at least 1 hour before or 2 hours after a meal. This will make it easier for your body to absorb the medication. If nausea occurs, ask your doctor if you can take isoniazid with food. Avoid alcohol while taking isoniazid. Alcohol may increase the risk of damage to the liver during isoniazid treatment. Alcohol can also cause isoniazid side effects to get worse. Contact your doctor if you experience flushing, chills, headache, nausea, vomiting, and diarrhea.

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