Medicines
Common medicines explained with uses, precautions, and side effects. Always consult a doctor.
20 articles
Ask Hayya Med AI โParacetamol (Acetaminophen)
Paracetamol (also known as acetaminophen) is one of the most widely used medicines globally for pain relief and fever reduction. Understanding its appropriate use and important precautions can help you use it safely under medical guidance.
Ibuprofen
Ibuprofen is a non-steroidal anti-inflammatory drug (NSAID) used to relieve pain, reduce fever, and decrease inflammation. It is available over the counter in Korea under brand names including Brufen and Advil.
Metformin
Metformin is the most widely prescribed first-line medication for type 2 diabetes worldwide. It lowers blood glucose levels primarily by reducing the amount of sugar the liver releases into the bloodstream.
Omeprazole
Omeprazole is a proton pump inhibitor (PPI) that reduces stomach acid production. It is used to treat acid reflux (GERD), stomach ulcers, and conditions of excessive stomach acid.
Cetirizine
Cetirizine is a second-generation antihistamine used to relieve allergy symptoms such as runny nose, sneezing, itchy eyes, and hives. It is one of the most commonly used allergy medicines in Korea.
Aspirin: Uses, Dosing & Drug Interactions | Korea Pharmacy Guide
Aspirin (acetylsalicylic acid) is one of the oldest and most versatile medicines โ used for pain, fever, and as a cornerstone of cardiovascular prevention therapy.
Atorvastatin (Lipitor): Cholesterol Lowering & Cardiovascular Protection
Atorvastatin is the most prescribed statin globally โ proven to reduce heart attack, stroke, and cardiovascular death in high-risk patients by lowering LDL ('bad') cholesterol.
Amlodipine: Blood Pressure Control & Angina Treatment Guide
Amlodipine is one of the most prescribed blood pressure medications worldwide โ effective, once-daily dosing, and well-tolerated by most patients.
Salbutamol (Ventolin): Asthma Reliever Inhaler Guide for Korea
Salbutamol is the blue reliever inhaler used during asthma attacks and for quick relief of wheeze and breathlessness. Correct technique maximises its effectiveness.
Amoxicillin: Antibiotic Uses, Dosing & Resistance Awareness
Amoxicillin is a broad-spectrum penicillin antibiotic effective against many bacterial infections. Understanding when it's needed โ and when it isn't โ helps preserve its effectiveness.
Metformin: Diabetes Management & Side Effects Guide for Korea
Metformin has been the cornerstone of type 2 diabetes management for over 60 years โ effective, safe, inexpensive, and with proven cardiovascular benefits beyond just lowering blood sugar.
Levothyroxine: Thyroid Hormone Replacement
Levothyroxine is the standard treatment for an underactive thyroid (hypothyroidism) โ replacing the hormone the thyroid cannot make sufficiently. Correct dosing and timing maximises effectiveness.
Sertraline (Zoloft): Depression & Anxiety Treatment Guide
Sertraline is a selective serotonin reuptake inhibitor (SSRI) โ among the most prescribed and best-tolerated antidepressants for depression, anxiety disorders, OCD, and PTSD.
Vitamin D Deficiency & Supplementation
Vitamin D deficiency is extremely common in Korea โ driven by an indoor office culture, sun-avoidance beauty norms, and long winters with limited sunlight. Testing and supplementation are simple and effective.
Folic Acid: Pregnancy Prevention of Neural Tube Defects & Uses
Folic acid (vitamin B9) prevents neural tube defects such as spina bifida when taken before and during early pregnancy. All women who could become pregnant should take it daily.
Omeprazole (Losec): Acid Reflux, GERD & Stomach Protection Guide
Omeprazole is a proton pump inhibitor (PPI) โ one of the most prescribed medicines globally for heartburn, acid reflux, peptic ulcers, and stomach protection with NSAIDs.
Ibuprofen: Pain Relief, Inflammation & Safe Use Guide for Korea
Ibuprofen is an effective NSAID for pain, inflammation, and fever โ but it carries real risks for the stomach and kidneys, especially in dehydrated individuals during Korea's hot, humid summers.
Paracetamol (Panadol): Safe Use, Dosing & Overdose Risk
Paracetamol (acetaminophen) is the world's most widely used pain reliever โ safe and effective at correct doses, but liver-damaging in overdose. Knowing the limits protects your health.
Prednisolone: Corticosteroid Uses, Side Effects & Safe Use
Prednisolone is a versatile corticosteroid used for inflammatory and autoimmune conditions โ highly effective but requiring careful use, monitoring, and tapering to avoid side effects.
Azithromycin: Uses, Dosage & Side Effects | Korea Pharmacy Guide
Azithromycin (sold as Zithromax or Z-Pack) is one of the most commonly prescribed antibiotics in Korea for treating chest infections, throat infections, sinusitis, and chlamydia.
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