Drug Interactions between caffeine / pheniramine / phenylephrine / sodium citrate / sodium salicylate and Mounjaro

Both phenylephrine and caffeine can increase blood pressure and heart rate, and combining them may enhance these effects. Talk to your doctor before using these medications, especially if you have a history of high blood pressure or heart disease. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Contact your doctor if your condition changes or you experience increased side effects. 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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Phenylephrine may interfere with blood glucose control and reduce the effectiveness of tirzepatide and other diabetic medications. Monitor your blood sugar levels closely. You may need a dose adjustment of your diabetic medications during and after treatment with phenylephrine. 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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Tirzepatide can cause an increase in heart rate and may have additive effects with other medications that can also increase heart rate such as caffeine. There are times when an elevated heart rate is appropriate, like when you are exercising. However, you should contact your doctor if you notice that your heart rate is high at other times for unknown reasons or if it is occurring frequently. Signs and symptoms of an elevated heart rate may include a sensation of a racing or pounding heartbeat, chest pain, shortness of breath, or a heart rate greater than 100 beats per minute in an adult. 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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Using sodium citrate together with sodium salicylate may decrease the effects of sodium salicylate. Contact your doctor if your condition changes. 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.

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Tirzepatide can cause an increase in heart rate and may have additive effects with other medications that can also increase heart rate such as pheniramine. There are times when an elevated heart rate is appropriate, like when you are exercising. However, you should contact your doctor if you notice that your heart rate is high at other times for unknown reasons or if it is occurring frequently. Signs and symptoms of an elevated heart rate may include a sensation of a racing or pounding heartbeat, chest pain, shortness of breath, or a heart rate greater than 100 beats per minute in an adult. 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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