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Fact desk · PFB

Name the hold,
then the milligram.

Eight medicines. Six guides. The interaction that actually hurts people sits above the strength. Fact stamp · Updated

  • 8 medicines
  • 6 guides
  • 2 doctors answering
Eight handwritten index cards scattered on a walnut desk, not a pill grid

Straight from the label

Doses, warnings and interactions come off the current FDA prescribing information - not marketing copy or forum lore.

Danger first, always

The thing that can hurt you goes at the top in plain words. Nitrates, tendons, pregnancy, tapers - no burying the lede.

A doctor actually answers

Every medicine ends with a reader consultation, answered by a named physician who signs their work.

The medicines

Eight drugs, read closely.

Antiparasitics, antibiotics, an acne drug people fear, a steroid, a nerve-pain pill and the erection tablets - each one explained end to end.

Men's health / PDE5 inhibitor

Ten milligrams as needed is a pulse - daily 2.5 is a different week

Pick the rhythm before you argue about a cash quote. Cialis 10 mg as-needed is a pulse: swallow before anticipated activity, peak near two hours, a us…

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Antibiotic / fluoroquinolone

A 500 mg course waits if a tendon already hurts

Ciprofloxacin 500 mg is a fluoroquinolone with reach into gram-negative urine, gut, and some bone and prostate stories. It is not a first candy for a …

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Men's health / PDE5 inhibitor

A 25 mg Viagra night starts when the plate is gone

High-fat pizza plus a 25 mg tablet is a clock problem, not proof the molecule died. Fasting peak sits near one hour. A fat meal can push Tmax about si…

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Corticosteroid

Write the way down before the first 20 mg tablet

A 20 mg prednisone tablet is inexpensive at many US counters. The expensive mistake is starting a burst without the way down written beside it. Short …

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Antiparasitic

The human tablet is 3 mg; the dose is micrograms per kilogram

Open a scale before you open a bottle. Human Stromectol and the US generics are 3 mg chips. Strongyloidiasis aims near 200 mcg per kilogram once. Onch…

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Pain / anticonvulsant

Six hundred milligrams is a stay dose - the kidney writes the schedule

Estimated creatinine clearance decides whether 600 mg three times daily is a stay or a mistake. Neurontin 600 mg often matches a postherpetic neuralgi…

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Men's health / PDE5 inhibitor

Two-point-five milligrams is the cautious start after the ECG note

Congenital long QT closes this molecule at any milligram. Class IA and class III antiarrhythmics stay off the same page. Levitra 2.5 mg is the label n…

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Retinoid / acne

Twenty milligrams still needs two contraceptives and a monthly lab

Accutane-the-brand left the US market. The molecule stayed, and so did iPLEDGE. A 20 mg capsule is still a teratogen at any daily total. Two contracep…

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The guides

How this stuff actually works.

Short reads that connect the dots between drugs - how the erection pills fire, why fluoroquinolones carry boxed warnings, what a steroid taper is really for.

Our doctors

Who is answering you.

Two physicians split the catalogue by what they know best, and put their names on the answers at the bottom of every page.

Read the label before it reads you.

Dense prescribing information, turned into pages a real person can finish — with a named doctor answering the questions people actually ask.

Browse the medicines