Plantar Fascia vs Plantar Fasciitis: The Difference
The plantar fascia is the tissue band; plantar fasciitis is its irritation from overload. Learn causes, risk factors, and when it heals without imaging.
Poor Concentration: Drugs That Cause or Treat It
A guide to medications that impair focus and pharmacotherapies that restore it, with dosing, trial data, and practical switching strategies.
Poor Concentration: When to See a Doctor
Learn when poor concentration signals a medical problem that needs evaluation, what causes it, how doctors diagnose it, and which treatments restore focus.
Postmenopause Symptoms: Drugs That Cause or Treat Them
A clinical guide to medications that trigger or relieve postmenopausal symptoms, including hot flashes, vaginal atrophy, mood changes, and bone loss. Evidence-based drug classes, doses, and alternatives reviewed.
Premature Ejaculation: Labs, Diagnosis, and Next Steps
Evidence-based guide to premature ejaculation diagnosis, lab tests, causes, and treatment options including SSRIs, topical agents, and behavioral therapy.
Rebound Weight Gain: What Could Be Causing It
A clinical breakdown of why rebound weight gain happens after dieting, GLP-1 discontinuation, or bariatric surgery, with evidence-based causes, diagnostic workup, and treatment strategies.
Weight Rebound Meaning: Causes, Labs, and Next Steps
Weight rebound is regain after stopping treatment, driven by hormonal shifts. Learn which labs to check and evidence-based steps to take next.
Rebound Weight Gain: When to See a Doctor
Learn when rebound weight gain requires medical attention, what causes it, how it's diagnosed, and evidence-based treatments to address it effectively.
Reduced Recovery: Drugs That Cause or Treat It
A clinical review of medications that impair physical recovery and pharmacologic options that may restore it, with cited trial data, doses, and guideline references.
Restless Legs: What Could Be Causing It
A clinical guide to the causes of restless legs syndrome (RLS), from iron deficiency and dopamine dysfunction to medications and pregnancy, with evidence-based diagnosis and treatment options.
Restless Legs: When to See a Doctor and What It Means
Learn when restless legs syndrome requires medical attention, what causes RLS, how it's diagnosed, and evidence-based treatments including dopamine agonists, iron supplementation, and alpha-2-delta ligands.
Physiological vs Pathological Nail Ridges: How to Tell
Vertical ridges are normal aging in 85% of adults over 65; horizontal Beau's lines signal illness, deficiency, or medication disruption needing evaluation.
Physiological vs Pathological Nail Ridges: How to Tell
Vertical ridges are usually normal aging, but Beau's lines or severe ridging need CBC, ferritin, TSH, and zinc tests. See what distinguishes each type.
Ridged Toenails Treatment: Causes and Fixes
Ridged toenails often stem from age, chemo, retinoids or antiseizure drugs. Biotin 2.5mg daily for 6 months improved nail thickness 25% in studies.
Right Upper Quadrant Pain: What Could Be Causing It
A guide to the causes, diagnosis, and treatment of right upper quadrant (RUQ) abdominal pain, from gallstones and hepatitis to less common conditions like Fitz-Hugh-Curtis syndrome.
Right Upper Quadrant Pain: Labs, Diagnosis, and Next Steps
A guide to the laboratory workup, imaging, and next steps for right upper quadrant (RUQ) pain, covering hepatobiliary, gastrointestinal, and referred causes.
Right Upper Quadrant Pain: Drugs That Cause or Treat It
A clinical guide to medications linked to right upper quadrant (RUQ) pain and the pharmacologic treatments used to manage its underlying causes, from ursodiol to NSAIDs.
Rumination: What Could Be Causing It
A clinical guide to the causes, diagnosis, and treatment of rumination syndrome in adults and adolescents, including behavioral therapy options and when to seek specialist care.
Salt Cravings: What Could Be Causing Them and When to Act
A clinical breakdown of the medical conditions behind persistent salt cravings, from adrenal insufficiency to dehydration, with diagnostic steps and treatment guidance.
Salt Cravings: Drugs That Cause or Treat Them
A clinical guide to medications linked to salt cravings, including diuretics, corticosteroids, and mineralocorticoid replacements, with diagnostic steps and treatment options.
Scrotal Swelling: What Could Be Causing It
A clinical guide to the differential diagnosis of scrotal swelling, covering hydroceles, varicoceles, epididymitis, hernias, testicular torsion, and testicular cancer with evidence-based evaluation and treatment pathways.
Unexplained Dyspnea: Causes and Diagnostic Workup
Unexplained dyspnea usually stems from cardiac, lung, metabolic, or anxiety-related causes, diagnosed via exam, pulse oximetry, chest imaging, and bloodwork.
Shortness of Breath: Drugs That Cause or Treat It
A guide to medications that trigger or relieve shortness of breath (dyspnea), including beta-blockers, ACE inhibitors, bronchodilators, diuretics, and GLP-1 agonists.
Shoulder Pain: Labs, Diagnosis, and Next Steps
A clinical guide to evaluating shoulder pain, including which lab tests to order, imaging options, red-flag symptoms, and evidence-based treatment pathways.
SIBO Drugs: Which Ones Cause It and Which Ones Treat It
PPIs, opioids, and repeated antibiotics can trigger SIBO. Rifaximin 550mg 3x daily for 14 days is first-line treatment, clearing about 64% of cases.
Skin Tags: What Labs to Get and Clinical Next Steps
Skin tags (acrochordons) can signal insulin resistance, prediabetes, or metabolic syndrome. Learn which labs to request, what results mean, and when to see a specialist.
Sleep Apnea Symptoms: What Could Be Causing Them and What to Do Next
A clinical breakdown of the causes behind sleep apnea symptoms, from obstructive airway collapse to central neurological signaling failures, with diagnosis paths and evidence-based treatments.
Sleep Apnea Symptoms: Drugs That Cause or Treat It
A guide to medications that worsen or improve sleep apnea symptoms, including GLP-1 agonists, solriamfetol, opioids, and benzodiazepines, with trial data and dosing details.
Slow Heartbeat: Labs, Diagnosis, and Next Steps
A clinical guide to bradycardia evaluation, including which labs to order, how slow heartbeat is diagnosed, common causes, and when treatment like a pacemaker is needed.
Slow Wound Healing: When to See a Doctor
Learn the causes of slow wound healing, how it is diagnosed, and when delayed wound repair signals a condition that needs medical attention.
Slowed Thinking: What Could Be Causing It and When to Seek Help
A differential guide to slowed thinking (bradyphrenia), covering thyroid dysfunction, depression, sleep disorders, medications, neurodegenerative disease, and metabolic causes with diagnosis and treatment pathways.
Slowed Thinking: Drugs That Cause or Treat It
A guide to medications that can cause cognitive slowing and drugs used to treat bradyphrenia, with dosing details, trial data, and when to seek help.
Snoring: What Could Be Causing It and When to See a Doctor
A clinical guide to the causes of snoring, from nasal obstruction and obesity to obstructive sleep apnea. Includes diagnostic workup, treatments, and when snoring signals a serious condition.
Social Withdrawal: When to See a Doctor
Learn the causes of social withdrawal, how it is diagnosed, and when pulling away from others signals something that needs medical attention.
Somogyi Effect: Labs, Diagnosis, and Next Steps
Learn how the Somogyi effect causes rebound morning hyperglycemia, which labs confirm it, and what clinical next steps your provider will recommend.
Stretch Marks Fading: What Could Be Causing It
Why your stretch marks are fading, from natural collagen remodeling and hormonal shifts to topical retinoids and procedural treatments. Evidence-based causes prepared by the HealthRX.com Editorial Team.
Stretch Marks Fading: Drugs That Cause or Treat It
Which medications cause stretch marks and which help them fade? A guide to tretinoin, corticosteroids, hyaluronic acid, and other drugs linked to striae formation and treatment.
Stretch Marks Fading: When to See a Doctor
Stretch marks naturally fade from red or purple to white over time. Learn when fading stretch marks are normal, when they signal an underlying condition, and what treatments dermatologists recommend.
Subclinical Hypothyroidism Symptoms: What Could Be Causing Them
Understand what causes subclinical hypothyroidism symptoms, how the condition is diagnosed, when treatment is warranted, and which underlying factors drive elevated TSH with normal free T4.
Subclinical Hypothyroidism Symptoms, Labs, and Next Steps
What an elevated TSH with normal free T4 means, which labs confirm subclinical hypothyroidism, when treatment is generally recommended, and what monitoring looks like if it is not.
Sugar Cravings: Labs, Causes, and Next Steps
Persistent sugar cravings can signal blood sugar dysregulation, nutrient deficiencies, or hormonal imbalance. Learn which labs to request, what causes sugar cravings, and evidence-based next steps.
What Drugs Make You Crave Sugar? Causes & Fixes
Steroids, olanzapine, clozapine and mirtazapine can trigger sugar cravings; semaglutide, naltrexone and topiramate may reduce them, per clinical data.
Sulfur Burps: Labs, Diagnosis, and Next Steps
A clinical guide to sulfur burps covering causes, diagnostic labs, breath tests, H. pylori screening, SIBO evaluation, and evidence-based treatment options.
Excessive Sweating: What Could Be Causing It?
A clinical breakdown of the causes behind excessive sweating, from primary hyperhidrosis to thyroid disease, medications, and infections, with diagnostic criteria and treatment options.
Excessive Sweating: Drugs That Cause It and Medications That Treat It
A guide to drug-induced hyperhidrosis and FDA-approved treatments for excessive sweating, including anticholinergics, oxybutynin, glycopyrrolate, and botulinum toxin.
Excessive Sweating: When to See a Doctor
Learn when excessive sweating (hyperhidrosis) signals a medical problem, what causes it, how doctors diagnose it, and which treatments actually work.
Sweating Reduced: Drugs That Cause or Treat It
A clinical guide to hypohidrosis and anhidrosis, including which medications reduce sweating, underlying causes, diagnostic workup, and evidence-based treatment options.
Tendinitis: Drugs That Cause or Treat It
A guide to medications linked to tendinitis and the drugs used to treat it, including fluoroquinolones, statins, NSAIDs, and corticosteroid injections.
Tension Headache: What Could Be Causing It
A clinical guide to the causes, diagnosis, and treatment of tension-type headache, including when symptoms point to something more serious.
Tension Headache: Labs, Diagnosis, and Next Steps
Learn which lab tests and evaluations matter for tension headaches, when imaging is needed, red-flag symptoms that change the workup, and evidence-based treatments.
Spironolactone and Testicular Atrophy in Men: What Studies Show
Spironolactone can suppress the HPG axis and shrink testes; volume often recovers within 6-12 months after stopping. See thresholds and comparisons to other drugs.
Throat Fullness: Drugs That Cause or Treat It
A clinical guide to medications linked to throat fullness (globus sensation), including PPIs, SSRIs, GLP-1 agonists, ACE inhibitors, and evidence-based treatments.
Thyrotoxicosis Symptoms: Drugs That Cause or Treat It
A clinical guide to the medications linked to thyrotoxicosis and the drugs used to treat it, including antithyroid agents, beta-blockers, and iodine-based therapies.
Tinnitus Labs and Next Steps: What to Test and When to Act
A guide to the lab work, imaging, and specialist referrals you need after tinnitus onset, plus evidence-based treatment options.
Best Drugs for Tinnitus, Plus Ones That Cause It
No drug is FDA-approved for tinnitus, but off-label options like tricyclics, gabapentin, and CBT can ease symptoms. See which drugs worsen it too.
Trouble Falling Asleep: Drugs That Cause or Treat It
A clinical guide to medications that cause sleep-onset insomnia and prescription treatments that reduce time to fall asleep, with doses, trial data, and tapering advice.
Fever Drug List - Causes and Treatments for Unknown Fever
Drug-induced fever causes 3-5% of unexplained fever cases. See culprit drug classes like antibiotics and allopurinol, plus antipyretics used to treat it.
Unexplained Fever in Adults: When to Worry
Fever at or above 101°F for more than a few days, plus night sweats or weight loss, means it's time to see a doctor. Learn the red flags and causes.
Unintended Weight Changes: What Could Be Causing It
A clinical guide to the differential diagnosis of unintended weight changes, covering thyroid disorders, diabetes, malignancy, medication effects, and when to seek evaluation.
Urinary Urgency: Causes, Tests, and Red Flags
Urinary urgency usually signals overactive bladder, UTI, or enlarged prostate. See how urinalysis and post-void residual testing pinpoint the cause.