acetaminophen vs terazosin
Side-by-side comparison of acetaminophen and terazosin. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
minor Known Drug Interaction
Terazosin has been used concomitantly in at least 50 patients on the following drugs or drug classes: analgesic/anti-inflammatory (e.g., acetaminophen, aspirin, codeine, ibuprofen, indomethacin); antibiotics (e.g., erythromycin, trimethoprim and sulfamethoxazole); anticholinergic/sympathomimetics (e.g., phenylephrine hydrochloride, phenylpropanolamine hydrochloride, pseudoephedrine hydrochloride); antigout (e.g., allopurinol); antihistamines (e.g., chlorpheniramine); cardiovascular agents (e.g., atenolol, hydrochlorothiazide, methyclothiazide, propranolol); corticosteroids;...
Recommendation: You can take these medicines together as prescribed. No special dosage changes are usually needed.
Tylenol
Hytrin
Acetaminophen (Tylenol) is a medicine that can relieve pain and reduce fever. It is available over-the-counter.
Terazosin is a medicine that can help men with enlarged prostate and also treat high blood pressure. It works by relaxing certain muscles in your body.
This medicine temporarily relieves minor aches and pains. It can help with headaches, the common cold, backaches, and minor arthritis pain. It can also help with toothaches, muscle aches, premenstrual and menstrual cramps. Acetaminophen can also temporarily reduce fever.
Terazosin is used to treat enlarged prostate in men. An enlarged prostate can cause problems with urination. Terazosin helps improve urine flow and reduce symptoms. It is also used to treat high blood pressure, either alone or with other medicines.
Acetaminophen's exact mechanism is not fully understood. It is believed to work in the brain to reduce pain signals. It also helps to lower body temperature when you have a fever.
Terazosin belongs to a class of drugs called alpha-1 blockers. It works by relaxing the muscles in the prostate and bladder neck, making it easier to urinate. It also relaxes blood vessels, which helps to lower blood pressure.
- • Headache
- • Nausea
- • Feeling weak or tired
- • Dizziness
- • Stuffy nose
- • Headache
- Tiredness 34,486
- Feeling sick to your stomach 29,571
- Head pain 28,378
- Aches 28,322
- Loose stool 23,628
- Tiredness 466
- Diarrhea 395
- Feeling dizzy 385
- Difficulty breathing 383
- Weakness 351
Taking more acetaminophen than directed can cause liver damage. Follow the dosage instructions carefully.
Be careful when you first start taking terazosin, as it can cause your blood pressure to drop too low. This can lead to dizziness or fainting. Take your first dose at bedtime and be careful when standing up.
If you are pregnant or breastfeeding, talk to your doctor before using this medicine. They can help you weigh the risks and benefits.
It is not known if terazosin can harm an unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is also not known if terazosin passes into breast milk, so talk to your doctor if you are breastfeeding.
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How to Read This acetaminophen vs terazosin Comparison
acetaminophen is classified in the Analgesic / Antipyretic drug class, while terazosin sits within the Alpha-1 Blocker class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are split between OTC and prescription status, which affects access and supervision.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, acetaminophen has 144,385 submissions while terazosin has 1,980. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known minor interaction flagged in FDA labeling, attributed to these drugs have been used together in many patients without any reported safety issues. they do not typically interfere with how the other drug works in the body.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between acetaminophen and terazosin - always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.