Drug Interactions between levothyroxine and Slo-Niacin
This report displays the potential drug interactions for the following 2 drugs:
- levothyroxine
- Slo-Niacin (niacin)
Interactions between your drugs
No interactions were found between levothyroxine and Slo-Niacin. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.
levothyroxine
A total of 211 drugs are known to interact with levothyroxine.
- Levothyroxine is in the drug class thyroid drugs.
- Levothyroxine is used to treat the following conditions:
Slo-Niacin
A total of 104 drugs are known to interact with Slo-Niacin.
- Slo-niacin is in the following drug classes: miscellaneous antihyperlipidemic agents, vitamins.
- Slo-niacin is used to treat the following conditions:
Drug and food interactions
levothyroxine food
Applies to: levothyroxine
The timing of meals relative to your oral levothyroxine dose can affect the absorption of the medication. Therefore, levothyroxine should be taken on a consistent schedule with regard to time of day and relation to meals to avoid large fluctuations in blood levels, which may alter its effects. In addition, absorption of levothyroxine may be decreased and/or delayed by foods such as soybean flour, cotton seed meal, walnuts, dietary fiber, calcium, calcium fortified juices and grapefruit or grapefruit juice. These foods should be avoided within several hours of dosing if possible. 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.
niacin food
Applies to: Slo-Niacin (niacin)
Ask your doctor before using niacin together with ethanol. You should avoid drinking alcohol, it can increase some of the side effects of niacin. This can cause nausea, dizziness, itching, vomiting, upset stomach, and flushing (warmth, redness, or tingly feeling under your skin). Furthermore, consumption of large amounts of alcohol is associated with elevated cholesterol and triglycerides. 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.
levothyroxine food
Applies to: levothyroxine
Using multivitamin with minerals together with levothyroxine may decrease the effects of levothyroxine. You should separate the administration of levothyroxine and multivitamin with minerals by at least 4 hours. If your doctor does prescribe these medications together, you may need a dose adjustment or special test to safely use both medications. 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.
niacin food
Applies to: Slo-Niacin (niacin)
Information for this minor interaction is available on the professional version.
Therapeutic duplication warnings
No warnings were found for your selected drugs.
Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.
See also
Drug Interaction Classification
Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
No interaction information available. |
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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