Pharmacy  >  Ask a Pharmacist  > 

Answers from The Pharmacists America TrustsSM

Topic: Drugs, Information and Directions

C2 Drugs: Can you explain what a C2 drug is?

Controlled Drug: What is a controlled drug?

Creams vs. Ointments: My doctor gave me a cream formulation of a medication that also comes in an ointment formula. What is the difference?

Dosage Measurements: What is the difference between a cc (cubic centimeter) and an ml (milliliter)?

Ingredients: What are active ingredients and inactive ingredients?

Levothyroxine: What is levothyroxine, and are there differences between the brand-name and generic versions?

NDC: What does NDC stand for?

NSAID: What is an NSAID?

Prescription Abbreviations: I'd like to be able to understand the prescription slips I get from my doctor. Can you tell me the most common abbreviations and what they mean?

Presurgery Directions: If I am not supposed to eat or drink the night before and/or morning of my medical procedure, what should I do about taking my nighttime and morning medication?

Transferring Prescriptions: If I have a prescription on file at another pharmacy, can I refill it at Walgreens?

Swallowing Pills: I have trouble swallowing pills. I’ve heard that compounding can help. Can any medication be made into a liquid or patch formulation?

Take with Food: When the directions for taking a medication say "Take with food," what exactly does that mean— take it during a meal?

View the Walgreens.com Ask a Pharmacist Archives for a list of all commonly asked questions.

DISCLAIMER: The information provided is not a substitute for medical advice. Consult your physician for diagnosis and treatment of your medical condition. Advances in medicine may cause this information to become outdated, invalid or subject to debate. Professional opinions and interpretations of the scientific literature may vary. Walgreens' terms of use and general warranty disclaimer apply to all services provided. If you are in need of immediate medical attention, contact your physician, poison control center or emergency medical professional. If you need to speak with a pharmacist for non-emergency matters, contact your local Walgreens pharmacist or call a Walgreens.com pharmacist toll-free at 1-877-250-5823.