Pharmacist-reviewed · Updated August 2026
How to take your medication, explained clearly
MedGuide USA publishes objective, clinically reviewed administration guides for common prescription medications — timing, food and water requirements, interactions to avoid, and warning signs that matter.
- Board-certified pharmacist review
- Based on FDA prescribing information
- Free — no account required
MedGuide USA is an informational resource, not a medical provider. Nothing here is medical advice, and no content on this site replaces the directions of your prescriber or pharmacist. Never start, stop, or adjust a medication based on what you read online. In a medical emergency, call 911.
Browse medication guides by category
Each guide covers how to take the medication step by step, what to avoid, side-effect expectations, and answers to the questions patients ask most.
Antibiotics & Antiparasitics
How to take infection-fighting medications correctly — spacing doses, food and mineral interactions, and why finishing the full course matters.
-
Zithromax
Azithromycin
Zithromax (azithromycin) is a macrolide antibiotic used for respiratory infections such as bronchitis and community-acquired pneumonia, strep throat (in penicillin-allergic patients), ear and sinus infections, certain skin infections, and some sexually transmitted infections.
Read the guide -
Stromectol
Ivermectin
Stromectol (ivermectin) is an antiparasitic medication used to treat strongyloidiasis (threadworm infection) and onchocerciasis (river blindness), and it is also prescribed off-label for conditions such as scabies and head lice when topical treatments fail or are impractical.
Read the guide -
Doxycycline
Doxycycline (hyclate / monohydrate)
Doxycycline is a broad-spectrum tetracycline antibiotic prescribed for acne and rosacea, respiratory infections, Lyme disease and other tick-borne illnesses, chlamydia, and malaria prevention in travelers.
Read the guide
Hormonal & Reproductive Health
Guides for fertility, oncology, and hormone-related therapies — cycle timing, contraception requirements, and long-term monitoring.
-
Clomid
Clomiphene citrate
Clomid (clomiphene citrate) is an oral fertility medication that stimulates ovulation.
Read the guide -
Propecia
Finasteride 1 mg
Propecia (finasteride 1 mg) is an oral treatment for male pattern hair loss (androgenetic alopecia).
Read the guide -
Nolvadex
Tamoxifen citrate
Nolvadex (tamoxifen citrate) is a selective estrogen receptor modulator used to treat estrogen receptor–positive breast cancer and to reduce breast cancer risk in high-risk patients.
Read the guide -
Cytotec
Misoprostol
Cytotec (misoprostol) is a prostaglandin E1 analog.
Read the guide
Anti-Inflammatory & Cardiovascular
Steroids, diuretics, and related therapies — tapering safely, electrolyte monitoring, and day-to-day precautions.
Why you can trust these guides
-
Pharmacist fact-checked
Every guide is reviewed by a board-certified pharmacist before publication.
-
Primary sources only
Content is built from FDA prescribing information, DailyMed, and clinical guidelines.
-
Regularly reviewed
Guides are re-reviewed on a schedule and updated whenever drug labels change.
-
Patient-first language
Clinical accuracy translated into plain, unambiguous instructions.