Describe three problems that can occur when taking a medicine.

A: Three problems that can occur when taking a medicine are allergic reactions, such as itching, swelling, wheezing or difficulty in breathing, a pounding heart, or fainting and unconsciousness; side effects, such as diarrhea, drowsiness, bleeding or ulcers, liver failure, or brain damage; and drug interactions.

Right.

To identify potential problems that can occur when taking a medicine, it is important to consider the following sources:

1. Medication labels and leaflets: Read the information provided with the medication carefully, as it usually lists common side effects and possible allergic reactions. Look for warnings and precautions specific to the medication.

2. Consult a healthcare professional: Talk to a doctor, pharmacist, or another healthcare professional who can provide guidance and discuss potential risks associated with the medication being taken. It is crucial to disclose any existing medical conditions, allergies, or other medications being used to determine if they may interact negatively with the medication in question.

3. Reliable medical websites and resources: Access reputable sources like the U.S. Food and Drug Administration (FDA) website or the National Institutes of Health (NIH) to gather comprehensive information on potential side effects, interactions, and warnings for specific medications.

By combining information from these three sources, it is possible to identify common problems that can occur when taking a medication, such as allergic reactions, side effects, and drug interactions. However, always consult a healthcare professional for personalized advice and to address any concerns or questions about medication use.