Drug Interactions between IsonaRif and Larin 24 Fe

Using isoniazid together with rifAMPin can cause serious side effects that may affect your liver. You should avoid or limit the use of alcohol while being treated with these medications. Your doctor may already be aware of the risks but has determined that this is the best course of treatment for you, has taken appropriate precautions, and is monitoring you closely for any potential complications. If you develop severe liver problems, you may need a dose adjustment or an interruption in therapy. Call your doctor immediately if you have fever, chills, joint pain or swelling, unusual bleeding or bruising, skin rash, itching, loss of appetite, fatigue, nausea, vomiting, abdominal pain, dark colored urine, light colored stools, and/or yellowing of the skin or eyes, as these may be signs and symptoms of liver damage. Talk to your healthcare provider 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.

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RifAMPin may reduce the blood levels and effects of ethinyl estradiol. If you are using ethinyl estradiol for birth control, you may be at increased risk for pregnancy or breakthrough bleeding. You should discuss the use of alternative or additional methods of birth control with your healthcare provider. If you take ethinyl estradiol for another purpose, such as hormone replacement for menopause, notify your doctor if your medication is no longer controlling your symptoms or you experience abnormal bleeding. 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.

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RifAMPin may reduce the blood levels and effects of norethindrone. If you are using norethindrone for birth control, you may be at increased risk for pregnancy or breakthrough bleeding. You should discuss the use of alternative or additional methods of birth control with your healthcare provider. If you take norethindrone for another purpose, such as hormone replacement for menopause, notify your doctor if your medication is no longer controlling your symptoms or you experience abnormal bleeding. 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.

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Antibiotics, such as isoniazid, may reduce the effects of ethinyl estradiol in some women. If you are using ethinyl estradiol for birth control, you may be at increased risk for pregnancy or breakthrough bleeding. Be sure to alert your doctor if you are having any vomiting and/or diarrhea as this too can impact how well ethinyl estradiol works. Talk to your doctor or pharmacist to determine if you should use an alternative or additional form of birth control during or after treatment with isoniazid. If you are using ethinyl estradiol for another purpose, speak with your doctor if you have any questions or notice any changes in how well ethinyl estradiol is working. 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.

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