Aspirin
Aspirin · Say it: AS-pir-in
An over-the-counter pain reliever and fever reducer that the label says temporarily relieves several kinds of minor pain and fever.
Brand names: Bayer Low DoseHEB Effervescent Pain ReliefFamily Wellness Pain RelieverTopCare Effervescent Pain ReliefCVS Effervescent Pain RelieverEqualine Effervescent Pain RelieverQuality Choice Effervescent Pain ReliefAlka-Seltzer Original Flavor
Used for
Minor pain of arthritis
Comes as
Tablets (the product name lists 'Effervescent Pain Relief,' which means the tablets dissolve in water)
Common side effects
| Generic name | Aspirin |
|---|---|
| Brand names | Bayer Low Dose, HEB Effervescent Pain Relief, Family Wellness Pain Reliever, TopCare Effervescent Pain Relief, CVS Effervescent Pain Reliever, Equaline Effervescent Pain Reliever, Quality Choice Effervescent Pain Relief, Alka-Seltzer Original Flavor |
| Type of medicine | a nonsteroidal anti-inflammatory drug (NSAID) and a platelet aggregation inhibitor |
| How it is sold | Over-the-counter pain reliever and fever reducer |
| Comes as | Tablets (the product name lists 'Effervescent Pain Relief,' which means the tablets dissolve in water) |
| Route | oral |
| Boxed warning | No |
| Label date | 2026-06-25 |
💊 What is Aspirin used for?
- Minor pain of arthritis
- Headache
- Muscle pain
- Menstrual pain
- Toothache pain
- Pain and fever of colds
How it works
How it is usually taken
- The label says to drink a full glass of water with each dose. It also says not to take more than the directions allow, and not to go over the 24-hour maximum on the label unless a doctor directs it. Children under 12 should not use it unless a doctor directs it.
Comes as
- Tablets (the product name lists 'Effervescent Pain Relief,' which means the tablets dissolve in water)
⚠️ Aspirin side effects
Common side effects
Get medical help right away if
- Get medical help right away if you have a severe allergic reaction. The label lists facial swelling, shock, hives, and asthma (wheezing) as possible signs.
- Get medical help right away if you have signs of stomach bleeding. The label lists feeling faint, vomiting blood, bloody or black stools, and stomach pain that does not get better.
- Get medical help right away if you have ringing in the ears or a loss of hearing.
- If you are a child or teenager and have changes in behavior with nausea and vomiting, talk to a doctor. The label says these could be an early sign of Reye's syndrome, a rare but serious illness.
- Talk to a doctor if the pain gets worse or lasts more than 10 days, the fever gets worse or lasts more than 3 days, redness or swelling is present, or new symptoms occur. The label says these could be signs of a serious condition.
🛑 Who should not take Aspirin, and who should be careful
The label says not to take it if
- The label says not to use if you are allergic to aspirin or any other pain reliever or fever reducer.
- The label says not to use if you have ever had an allergic reaction to this product or any of its ingredients.
- The label says children and teenagers who have or are recovering from chicken pox or flu-like symptoms should not use this product.
- The label says not to use aspirin at 20 weeks or later in pregnancy unless a doctor definitely directs it, because it may cause problems in the unborn child or complications during delivery.
Tell your doctor before taking it if
- The label says to ask a doctor before use if you are taking a diuretic.
- Ask a doctor if you have a history of stomach problems, such as heartburn.
- Ask a doctor if you have high blood pressure, heart disease, liver cirrhosis, or kidney disease.
- Ask a doctor if you have asthma.
- Ask a doctor or pharmacist if you are taking a prescription drug for gout, diabetes, or arthritis.
- If you are pregnant or breastfeeding, ask a health professional before use.
- The label says stomach bleeding risk is higher if you are age 60 or older, take a blood thinner (anticoagulant) or steroid drug, take other NSAIDs, take more or for longer than directed, have had stomach ulcers or bleeding problems, or have 3 or more alcoholic drinks every day.
🔀 Aspirin with other medicines, food and alcohol
The label says to discuss these with your doctor or pharmacist
- Blood thinners (anticoagulants)
- Steroid drugs
- Other NSAIDs, including prescription and nonprescription products such as ibuprofen or naproxen
- Diuretics
- Prescription drugs for gout, diabetes, or arthritis
Alcohol and food
The label says stomach bleeding risk is higher if you have 3 or more alcoholic drinks every day while using this product. The label says to drink a full glass of water with each dose.
🤰 Aspirin in pregnancy and breastfeeding
Pregnancy
The label says to ask a health professional before use if pregnant. It says it is especially important not to use aspirin at 20 weeks or later in pregnancy unless a doctor definitely directs it, because it may cause problems in the unborn child or complications during delivery.
Breastfeeding
The label says to ask a health professional before use if breast-feeding.
🗓️ Storage, missed doses and taking too much
Storage
The label says to use by the expiration date on the package. Store at 25°C (77°F); excursions are permitted between 15°C and 30°C (59°F to 86°F). Keep out of reach of children.
If a dose is missed
The label does not say.
If too much is taken
The label says that in case of overdose, get medical help or contact a Poison Control Center right away.
🗒️ Questions to ask about Aspirin
🎯 Check what you understood
1. According to the summary, what should you do if you notice signs of stomach bleeding, such as vomiting blood?
2. What does the label say about taking aspirin at 20 weeks or later in pregnancy?
3. Which of these does the label say increases the risk of stomach bleeding?
❓ Aspirin: frequently asked questions
What is aspirin used for?
The label says it temporarily relieves minor pain of arthritis, headache, muscle pain, menstrual pain, and toothache pain, as well as pain and fever of colds.
Why should children and teenagers be careful with aspirin?
The label says children and teenagers who have or are recovering from chicken pox or flu-like symptoms should not use this product. It also says changes in behavior with nausea and vomiting could be an early sign of Reye's syndrome.
Who should ask a doctor before using this product?
The label says to ask a doctor if you take a diuretic, have a history of stomach problems, have high blood pressure, heart disease, liver cirrhosis, kidney disease, or asthma. It also says to ask a doctor or pharmacist if you take a prescription drug for gout, diabetes, or arthritis.
What should I do if I think I have taken too much?
The label says that in case of overdose, get medical help or contact a Poison Control Center right away.
How should I store this product?
The label says to use it by the expiration date, store it at 25°C (77°F), and keep it out of reach of children. Excursions between 15°C and 30°C (59°F to 86°F) are permitted.
🧪 Tests and reports linked to Aspirin
The label text mentions these. If you have one of these reports, get every line of it explained.
- HbA1c and glucose
a test or report linked to this medicine
- Metabolic panel (BMP, CMP)
a test or report linked to this medicine
- Kidney function tests
a test or report linked to this medicine
- Clotting tests (PT, INR)
a test or report linked to this medicine
- Complete blood count (CBC)
a test or report linked to this medicine
- Pregnancy hCG test
a test or report linked to this medicine
📖 Medical words used on this page
- Allergic reaction
An allergic reaction is when the immune system overreacts to something harmless, such as a medicine or food, causing symptoms from a rash to swelling.
- Anaphylaxis
Anaphylaxis is a severe, whole-body allergic reaction that comes on fast and is a medical emergency needing urgent help.
- Anticoagulant
An anticoagulant is a medicine that slows blood clotting, used to prevent or treat harmful clots. It raises the risk of bleeding.
- Antiplatelet
An antiplatelet is a medicine, such as aspirin or clopidogrel, that stops platelets clumping together to form clots in arteries.
- Bronchodilator
A bronchodilator is a medicine that relaxes the muscles around the airways so they open wider and breathing becomes easier.
- Bronchospastic Disease
Bronchospastic disease means a lung condition, such as asthma, in which the airways tend to tighten suddenly (bronchospasm).
- Cirrhosis
Cirrhosis is long-term scarring of the liver, where healthy tissue is replaced by scar tissue so the liver cannot work as well.
- Corticosteroid
A corticosteroid is a medicine similar to the body's own hormone cortisol, used to reduce inflammation and calm the immune system.
- Diuretic
A diuretic is a medicine that helps the kidneys remove extra salt and water from the body, so you pass more urine.
- Edema
Edema is swelling caused by extra fluid trapped in the body's tissues, often in the feet, ankles and legs.
- Fever reducer
A fever reducer (antipyretic) is a medicine that lowers a high temperature, such as acetaminophen (paracetamol), ibuprofen or aspirin.
- Glucocorticoid
A glucocorticoid is a steroid hormone or medicine, like prednisolone or hydrocortisone, that calms inflammation and the immune system.
- Gout
Gout is a type of arthritis caused by uric acid crystals in a joint, leading to sudden attacks of pain, swelling and redness.
- Heartburn
Heartburn is a burning feeling in the chest or throat caused by stomach acid coming back up into the food pipe.
📖 Medical words on this page
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Have the leaflet or prescription in front of you?
Explain my leafletDecode my prescription🔗 Trusted sources about Aspirin
- Full official label on DailyMed ↗
US National Library of Medicine: the complete FDA label this page is based on
- Aspirin on MedlinePlus ↗
US National Library of Medicine's patient drug information
- Aspirin on the NHS website ↗
UK National Health Service medicine guide
Report a side effect or check safety alerts
- Report a side effect in the US (FDA MedWatch) ↗
- Report a side effect in the UK (Yellow Card) ↗
- FDA recalls and safety alerts ↗
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Source: official FDA drug label (label updated 2026-06-25). Read the full label on DailyMed
MedicDecode explains the official label in plain words. It is not medical advice and does not replace your doctor or pharmacist. Never start, stop or change a medicine because of what you read here.