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Assessment of Awareness, Knowledge, and Practices Regarding Drug–Drug and Drug–Food Interactions Among the General Public: A Cross-Sectional Survey

Participant Information and Consent

Thank you for participating in this survey. The purpose of this study is to assess public awareness, knowledge, attitudes, and practices regarding drug–drug and drug–food interactions. Your participation is entirely voluntary, and your responses will be kept confidential. No individualized medical advice is provided. By continuing, you consent to participate in this study.

Section A: Demographic Information

Age group

Gender (optional)

Educational level

Occupation

Do you have an educational or professional background in healthcare?

A
B

Section B: Medication Use

Do you currently use any medicines?

A
B

Do you take more than one medicine at the same time?

A
B

Do you use over-the-counter medicines, herbal products, or dietary supplements?

A
B

Section C: Awareness of Drug–Drug Interactions

Have you heard of drug–drug interactions?

A
B

Do you know that taking certain medicines together can affect their safety or effectiveness?

A
B

Do you consult a doctor or pharmacist before combining medicines?

A
B

Section D: Awareness of Drug–Food Interactions

Have you heard of drug–food interactions?

A
B

Do you know that certain foods and beverages can affect how some medicines work?

A
B

Have you heard that grapefruit can interact with certain medicines?

A
B

Do you read food-related instructions on medicine labels or leaflets?

A
B

Section E: Knowledge and Attitudes

"Taking grapefruit juice can increase the blood levels of some medicines, potentially causing side effects."

A
B
C

"Combining different pain killers (e.g., ibuprofen and aspirin) without medical advice is always safe."

A
B
C

"Some herbal supplements can interfere with prescribed medicines."

A
B
C

Please rate your agreement with the following statements:

"It is important to discuss all my medications and supplements with my pharmacist."

"I feel confident in my ability to manage my medication safety."

Section F: Medication Practices

How often do you read medicine labels or leaflets?

A
B
C
D
E

Do you tell your doctor or pharmacist about all the medicines and supplements you use?

A
B

Where do you obtain information about medicine interactions? (Check all that apply)

Have you ever asked a healthcare professional about a possible medicine interaction?

A
B

Section G: Barriers and Suggestions

What prevents you from learning about medicine interactions?

Would you like more education about drug–drug and drug–food interactions?

A
B

How could public awareness about medicine interactions be improved? (Optional)