Compare aspirin vs. Diclofenac

Head-to-head comparisons of medication uses, side effects, ratings, and more.

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Ecotrin (aspirin)

Prescription or OTC

Zorvolex (Diclofenac)

Prescription only
Relieves pain, fever, and inflammation.

Ecotrin (aspirin) can be used for pain and fever relief or heart protection, and is generally very safe and affordable.

3.8/ 5 average rating with 533 reviewsforaspirin
Treats arthritis pain and swelling.

Zorvolex (Diclofenac) is an okay medication used to treat pain and swelling caused by arthritis. However, because of the risk of heart attack, you should limit the amount you take.

Upsides
  • Ecotrin (aspirin) provides the best protection for your heart to prevent heart attacks and stroke with the lowest risk of side effects
  • It is available over-the-counter in drugstores on its own and in combination with other cold and flu medications.
  • Ecotrin (aspirin) is available as a cheaper, generic form.
  • Ecotrin (aspirin) is available in several forms, including tablets, chewable tablets, and suppositories.
  • Clinical studies show that Zorvolex (Diclofenac) is better at relieving arthritis pain than acetaminophen (Tylenol).
  • Can be used as needed to treat pain and swelling.
  • Available as a generic.
Downsides
  • Ecotrin (aspirin) is not a preferred medication for treating pain, inflammation, or fever due to the high risk of bleeding.
  • Ecotrin (aspirin) increases the risk of bleeding, especially when used with other blood thinner medications like Coumadin (warfarin).
  • You should avoid alcohol while on Zorvolex (Diclofenac) since it can increase your risk of stomach issues.
  • If you're taking it on a regular basis, you'll need to get labs done to make sure your liver and kidneys aren't being affected.
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Used for
  • Osteoarthritis pain
Dosage forms
  • Pill
  • Extended release
  • Suppository
  • Pill
Price
No pricing information available
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Reviews
533 reviews so far
76%
saidit'sworth it
41%
saiditworked well
6%
saidit'sa big hassle

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Side effects
The Ecotrin (aspirin) FDA package insert doesn’t have numbers about how common side effects are.
28possible side effects
  • Upper respiratory tract infection
    8%
  • Headache
    8%
  • Nausea
    7%
  • Urinary tract infection
    7%
  • Diarrhea
    6%
  • Nasopharyngitis
    6%
  • Constipation
    5%
  • Sinusitis
    5%
  • Osteoarthritis
    5%
  • Cough
    4%
  • Alanine aminotransferase increased
    4%
  • Abdominal pain upper
    3%
  • Vomiting
    3%
  • Back pain
    3%
  • Dyspepsia
    3%
  • Procedural pain
    3%
  • Bronchitis
    3%
  • Hypertension
    3%
  • Influenza
    3%
  • Arthralgia
    3%
  • Contusion
    3%
  • Blood creatinine increased
    2%
  • Flatulence
    2%
  • Abdominal discomfort
    2%
  • Aspartate aminotransferase increased
    2%
  • Dizziness
    2%
  • Fall
    2%
  • Abdominal pain
    2%
See more detailed side effects
Risks and risk factors
  • Reye's Syndrome in children
    • Children 18 years or younger
    • Children recovering from viral infections
  • Bleeding
    • History of stomach bleeding or ulcers
    • Taking Ecotrin (aspirin), NSAIDs, or blood thinners
    • Alcohol use
    • People 75 years and older taking high dose (325mg) of Ecotrin (aspirin)
  • Serious allergic reactions
    • Allergy to Ecotrin (aspirin)
See more detailed risks and warnings
  • Heart attack or stroke
    • History of heart problems
    • High blood pressure
    • High cholesterol
    • Diabetes
    • Being overweight or obese
    • Smoking
  • Stomach bleeding
    • History of stomach bleeding or ulcers
    • Age 65 years or older
  • Bruising or bleeding
    • Bleeding disorder
    • Taking other blood-thinning medications
  • Serious allergic reactions
    • Asthma
    • Rhinitis
    • Nasal polyps
    • Aspirin allergy
    • NSAID allergy
  • Lowers kidney function
    • Kidney problems
    • Heart failure
    • Liver disease
    • Taking diuretics
    • Taking ACE inhibitors or angiotensin receptor blockers (ARBs)
    • Age 65 or older
  • Increased blood pressure
    • History of high blood pressure
    • Taking water pills (diuretics)
See more detailed risks and warnings