Medical Conditions: Practical Guides to Respiratory and Kidney Care

Want clear, usable info on common medical conditions without medical jargon? You’re in the right place. This page pulls together easy-to-understand guides on lung conditions like cystic fibrosis and asthma, plus real-world advice on medicines used in renal failure. Read short, practical tips you can use in conversations with your doctor or to better manage symptoms day to day.

CF and asthma — how they overlap and how they differ

Both cystic fibrosis (CF) and asthma can leave you breathless, wheezy, and coughing. But CF is a genetic disorder that changes how mucus is made and cleared from the lungs. Asthma is usually driven by airway inflammation and triggers like pollen, smoke, or exercise. That difference matters because treatments that help asthma won’t always work for CF.

If you or a family member has ongoing cough, thick sputum, or frequent lung infections, ask the doctor for targeted tests: sweat chloride or genetic testing for CF, and spirometry or peak-flow checks for asthma. Chest X-rays or CT scans can show structural changes in CF lungs that are not typical in asthma.

Treatment overlap exists. Inhaled bronchodilators and steroids can ease symptoms in both conditions, but CF care often needs chest physiotherapy, airway clearance devices, specialized antibiotics, and sometimes modulators that target the underlying gene defect. For more detail, see our guide on Exploring the Link Between Cystic Fibrosis and Asthma.

Medications and renal failure — what helps and what to avoid

When kidneys start failing, the list of safe and risky medicines changes. Some drugs help control symptoms and slow damage: certain blood pressure medicines (ACE inhibitors or ARBs) and diuretics can be useful under a doctor’s guidance. But many common drugs can harm kidneys, especially nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen and naproxen.

Key practical steps: tell every provider you see that you have reduced kidney function; keep a current list of medicines and supplements; and ask about dose adjustments for drugs cleared by the kidneys. If symptoms worsen—swelling, less urine, confusion—seek care quickly. We explain these points in plain terms in our article about The role of medications in managing renal failure.

Quick tips you can use today: track symptoms, bring meds to appointments, ask for clear monitoring plans (blood tests and urine checks), and avoid OTC NSAIDs unless your doctor says it’s safe. Small changes—like checking labels, spacing medicines correctly, and staying hydrated—can make a big difference.

If you want straight answers, click the linked guides, or use the site search to find condition-specific content. You’ll get practical steps, test explanations, and questions to bring to your next clinic visit. No fluff—just useful info to help you manage conditions and make smarter choices with your healthcare team.

Specific IgE Testing: How to Identify Allergens and Understand Your Results
Wyn Davies 7 January 2026

Specific IgE Testing: How to Identify Allergens and Understand Your Results

Specific IgE testing helps identify allergens by measuring antibodies in your blood. Learn how results are interpreted, when to get tested, and why context matters more than numbers.

View More 8
Ophthalmic Imaging Explained: OCT, Fundus Photos, and Angiography for Eye Health
Wyn Davies 4 January 2026

Ophthalmic Imaging Explained: OCT, Fundus Photos, and Angiography for Eye Health

OCT, fundus photography, and fluorescein angiography are essential tools for diagnosing retinal diseases like diabetic retinopathy and macular degeneration. Each provides unique insights - from structure to blood flow - helping doctors catch problems before vision loss.

View More 11
Neuroleptic Malignant Syndrome: What You Need to Know About This Rare Medication Reaction
Wyn Davies 3 January 2026

Neuroleptic Malignant Syndrome: What You Need to Know About This Rare Medication Reaction

Neuroleptic Malignant Syndrome is a rare but deadly reaction to antipsychotic medications. Learn the warning signs, how it's diagnosed, treated, and why early action saves lives.

View More 10
High Cholesterol: What You Need to Know About Hypercholesterolemia
Wyn Davies 21 December 2025

High Cholesterol: What You Need to Know About Hypercholesterolemia

High cholesterol, or hypercholesterolemia, is a silent threat that can lead to heart attack or stroke. Learn the difference between genetic and lifestyle causes, what your numbers mean, and how to manage it effectively with diet, lifestyle, and medication.

View More 14
Alpha-1 Antitrypsin Deficiency: Understanding the Genetic Cause of Early-Onset COPD and Treatment Options
Wyn Davies 15 December 2025

Alpha-1 Antitrypsin Deficiency: Understanding the Genetic Cause of Early-Onset COPD and Treatment Options

Alpha-1 Antitrypsin Deficiency is a genetic cause of early-onset COPD and liver disease. Learn how it works, why it's often missed, and what treatments - including new subcutaneous therapies - are available today.

View More 8
Autoimmune Overlap Syndromes: When One Disease Isn't Enough
Wyn Davies 12 December 2025

Autoimmune Overlap Syndromes: When One Disease Isn't Enough

Autoimmune overlap syndromes occur when patients develop features of multiple autoimmune diseases at once. Diagnosis is complex, treatment requires precision, and coordinated care is critical to avoid complications and improve outcomes.

View More 11
Hyperkalemia in CKD: How to Manage Diet and Emergency Treatment
Wyn Davies 4 December 2025

Hyperkalemia in CKD: How to Manage Diet and Emergency Treatment

Hyperkalemia in chronic kidney disease is a serious but manageable condition. Learn how diet, emergency treatments, and new medications help keep potassium levels safe while preserving heart-protecting therapies.

View More 10
Chronic Bronchitis vs. Emphysema: Key Differences in COPD Components
Wyn Davies 3 December 2025

Chronic Bronchitis vs. Emphysema: Key Differences in COPD Components

Chronic bronchitis and emphysema are the two main parts of COPD, but they affect the lungs in very different ways. Knowing which one you have helps you get the right treatment and avoid unnecessary medications.

View More 12
Supine vs. Side Sleeping: Which Position Works Best for Sleep Apnea?
Wyn Davies 26 November 2025

Supine vs. Side Sleeping: Which Position Works Best for Sleep Apnea?

Side sleeping can cut sleep apnea events in half for many people. Learn how positional therapy works, why it beats CPAP for adherence, and which devices actually help-backed by science and real patient results.

View More 8
Ascites Management: How Sodium Restriction and Diuretics Really Work
Wyn Davies 22 November 2025

Ascites Management: How Sodium Restriction and Diuretics Really Work

Ascites management relies on sodium restriction and diuretics, but new research challenges old guidelines. Learn how much salt to really limit, which diuretics work best, and what to do when they fail.

View More 14