Drug Interactions between aminophylline / ephedrine / guaifenesin / phenobarbital and liothyronine

Using PHENobarbital together with liothyronine can decrease the effects of PHENobarbital. This can cause fatigue, weight gain, constipation, and low blood pressure. Talk with your doctor before using these medications together, and report any side effects promptly. You may need a dose adjustment or thyroid tests to safely take 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.

Using PHENobarbital together with aminophylline may decrease the effects of aminophylline. Contact your doctor if your condition changes or if you experience breathing difficulties. 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.

Talk to your doctor before using liothyronine together with ePHEDrine. Combining these medications may increase the risk of cardiovascular side effects such as high blood pressure, palpitation, chest pain, and irregular heart beat. If you have preexisting heart disease, your condition may worsen. You may need a dose adjustment or more frequent monitoring by your doctor 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.

Using liothyronine together with aminophylline may alter the effects of aminophylline. When liothyronine is started, stopped, or changed you should be monitored for an altered response to your aminophylline medication. Contact your doctor if you experience a worsening of breathing symptoms, or any signs of aminophylline toxicity including nausea, vomiting, diarrhea, headache, restlessness, insomnia, or irregular heartbeats. If your doctor does prescribe these medications together, you may need a dose adjustment or special tests 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.

Information for this minor interaction is available on the professional version.