Pharmacy knowledge base
Health guides & medicine information
Plain-English explainers from our pharmacy team — what the medicines do, how the strengths differ, and how to use them safely.
Showing 325–336 of 445 guides
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Azithromycin: A Practical Guide to the Macrolide Antibiotic
A clear, factual overview of how azithromycin works, what it treats and how to take it safely.
Ciprofloxacin: Uses, Cautions and the Tendon Warning
An honest guide to ciprofloxacin, a fluoroquinolone antibiotic with important safety cautions you should know.
Metronidazole: Why You Must Avoid Alcohol With This Antibiotic
A factual guide to metronidazole, the infections it treats and the crucial reason to steer clear of alcohol.
Cephalexin: A Guide to the Cephalosporin Antibiotic
Everything you need to know about cephalexin, what it treats and how to use it responsibly.
Antibiotics and Alcohol: What's Safe and What Isn't
A clear look at when alcohol and antibiotics genuinely don't mix, and when moderation is simply sensible.
Antibiotics and the Contraceptive Pill: What You Need to Know
An evidence-based guide to how antibiotics may affect contraception and when to use backup protection.
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Probiotics After Antibiotics: Restoring Your Gut Balance
A practical, balanced guide to looking after your gut during and after a course of antibiotics.
Melatonin for Sleep: How It Works and When It Helps
A factual guide to melatonin, the body's sleep hormone, and its sensible use for sleep problems.
Caffeine and Sleep: How Your Coffee Habit Affects Your Rest
Understand how caffeine disrupts sleep and how to enjoy it without ruining your nights.
Blue Light and Sleep: How Screens Affect Your Rest
Learn how evening screen use disrupts your body clock and what you can do to protect your sleep.
Shift Work Sleep Disorder: Coping With an Irregular Schedule
A practical guide to recognising and managing the sleep problems that come with shift work.
Sleep and Immune Health: Why Rest Helps You Fight Infection
Discover the link between good sleep and a stronger immune system, and how to protect both.