Health

Daily aspirin may prevent some first heart attacks, but bleeding risk can offset the benefit. Learn how age, personal risk and regional guidance shape decisions.

Thiazide diuretics such as hydrochlorothiazide can cause low sodium symptoms. Learn who is at risk, when symptoms may appear, and what to do next.

A thunderclap headache peaks within seconds or minutes and needs emergency assessment. Learn why pain can ease, how CT timing shapes next tests.

Delayed brain bleed symptoms after a head injury on blood thinners need urgent attention. Learn when CT may be considered and why not to stop medication.

Post scabies itch can last for weeks; new burrows, a fresh rash or itching beyond 2–4 weeks are reasons to ask a clinician about reassessment.

A high potassium in blood test can be falsely elevated by sample damage or high blood-cell counts. Learn when repeat testing is needed and when to seek urgent care.

Antidepressant discontinuation syndrome can cause dizziness, nausea, sleep changes and brain zaps. Learn how it differs from relapse and why tapering needs a plan.

Learn how to stop a nosebleed: sit upright, lean forward and pinch the soft part continuously. Know when persistent or heavy bleeding needs urgent care.

Bat exposure treatment depends on contact, location and bat species. Learn when a bedroom encounter needs urgent assessment and how to avoid handling the bat.

Pregnancy test after emergency contraception: learn when to restart birth control after ulipristal, what backup to use, and when to take a home test.