Are there risk to take levothyroxine and Adderall?

Thers are 2 moderate drug to drug interactions and 4 Drug and food/lifestyle interactions, moderate meaning:

Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.

Drug Interaction Report
6 potential interactions and/or warnings found for the following 2 drugs:

Adderall (amphetamine / dextroamphetamine)
levothyroxine

Interactions between your drugs
Moderate
levothyroxine amphetamine
Applies to: levothyroxine, Adderall (amphetamine / dextroamphetamine)

Talk to your doctor before using levothyroxine together with amphetamine. 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.

Moderate
levothyroxine dextroamphetamine
Applies to: levothyroxine, Adderall (amphetamine / dextroamphetamine)

Talk to your doctor before using levothyroxine together with dextroamphetamine. 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.

More info on the Drug and food/lifestyle interactions:
https://www.drugs.com/interactions-check.php?drug_list=190-1645,1463-0

For further information ask your prescriber.