What percentage of aspirin tablets is acetylsalicylic acid?
486450
Kind of depends on the Aspirin tablet. If it is coated or bufferend, it will have less. But generally, the percentage that is acetylsalicylic acid is quite high. Other ingredients may include corn starch and cellulose.\n\nSorry. I don't have the actual percentage. However, if you have an accurate (and precise) scale, weigh a 325mg pill and calculate the percentage.
650367
Two things:\n\nThe aspirin is coated with a substance so as to dissolve in the gut instead of the stomach.\n\nThe aspirin is mixed with the basic ingredients, Calcium Carbonate and Magnesium carbonate, a small amount.
137904
It is not harmful as long as its in a solution of 2-3%, diluted and applied topically in the treatment of Acne. It can be applied topically in a solution of 10 - 60%) often  by dermatologists to remove Warts. The only real side effects could be stinging or burning and that was from people that used it twice a day at a high concentration. Salicylic Acid is an active ingredient in many topically applied Skin Care products (including moisturizing creams). Aspirin (Acetylsalicylic Acid) is manufactured from the acetate ester of the hydroxyl group of Salicylic Acid.
364579
aspirin\nTylenol\nMotrin\nnaprosyn\nothers
744270
I wouldn't without talking to your doctor first.  Aspirin thins the blood like Plavix does, you'll be more likely to bleed.  Always call your doctor for questions like this for your safety!  :  )
669154
Aspirin contains an ingredient which affects the pain nerves in such a way that they decrease their firing rate thus diminishing the "sensation" of pain.
751981
It depends on the medication mostly. But yes many medications can cause bleeding on their own, and the chances of this are increased if you take it along with other medications.\n\nNSAIDs (Non-steroidal anti inflammatory drugs) have this as a side effect. this is why many people who take aspirin on a daily basis are advised to take the aspirin ec, which is entericoated and causes the  medication to be released inthe intestinal tract rather than the stomach.\n\nOther meds inthe NSAID category are ibuprofen (advil and motrin), and naproxen sodium (aleve). These should not be taken together.\n\nIf you take aspirin as a maintenance drug and need a pain reliever, it would be wise to ask your doctor for specific instruction but mostly they recommend tylenol (acetometaphen) since it is not an NSAID and doesn't upset the stomach as much.\n\nAny time an NSAID is taken, drink milk or take it after eating something.
1083862
It depends on the type of arthritis, Osteo-arthritis from wear and tear can be treated with aspirin up to 4 grams in divided doses. The problem is the great chance of bleeding peptic ulcers. Tylenol is ok but doesn't have the antiinflammatory component.Some choose Aleve but it can cause bleeding also. Rheumatoid arthritis tends to be more complex. Opiates are sometimes given. A physician's advise is imparative for all types of arthritis,
1041272
ag, aspirin is itself an ester, though. The para hydroxy group is esterified to reduce the acidity of the molecule.\n\nThe best way to determine it, in my book, would probably be by HPLC (High Performance liquid chromatography). We did an experiment in undergraduate analytical chemistry for this purpose ... to figure out ASA in Aspirin.\n\nThe main problem, analytically, with aspirin is that the ester group could react with the base. This would create an interference in your result, because you'll use more NaOH than you would otherwise and you'll think the aspirin concentration is higher than it actually is.\n\nIgnoring the ester, the way to recover the ASA is to pulverize (grind up) the aspirin tablet and dissolve it in chloroform (or dichloromethane). Then filter off the insoluble material and evaporate off the chloroform. You could then dissolve the resulting white powder in (pre-boiled) water and titrate with NaOH. The NaOH should be standardized with KHP.\n\nTo get rid of the ester, ag is correct. You'd need to react it with concentrated acid (or Lithium aluminium hydride, but I somehow doubt you have that lying around). Then you'd need to use TLC (thin layer chromatography) to make sure that all the ester was converted (by doing a comparison spot with salicylic acid). Then,  you'd need to remove the salicylic acid with a separation (chloroform or dichloromethane), evaporate it off, and titrate.\n\nAssuming all of that worked (organic procedures aren't truely analytical, all the time), you could then figure it out.
544707
Association however strong, does not imply causation. There is no significant evidence that Reye's syndrome is caused by the use of aspirin. Here is a list that claims that Reye's syndrome could not be associated with aspirin usage:\n1. Reye's syndrome did not exist before 1950- it suddenly appeared in the 1950s but aspirin had been used since 1899; paracetamol (acetaminophen) was discovered in 1955.\n2. Reye himself concluded that aspirin was not a cause of the syndrome.\n3. Aspirin ingestion occurred in patients with viral illnesses who did not develop Reye's syndrome.\n4. Uncertainty about the timing of the onset of the syndrome- whether the data are anaylysed with protracted vomiting or the onset of altered mental status as the starting point is material to whether or not an association with phenothiazines is found. \n5. International differences in patterns of the disease and association with aspirin.\n6. Reye's syndrome was disappearing before label warnings were introduced in 1986.\n7. Some cases of Reye's may have had undiagnosed inborn errors of metabolism.\n\nOther studies have also concluded that "an aspirin a day, keeps the doctor away." With these catchy phrases and hidden side effects that people may not be aware of, people have started taking daily dosages of aspirin to prevent atherosclerosis. This maybe true for the populatoin in general, but not specifically for the elders. 65 and older users of aspirin have shown little or no benefits, on the other hand many side effects arised.\n\nBleeding and hemmoraging are major problems for the elderly population which uses aspirin, therefore being suseptible to adverse effects of the drug is on person to person bases. If no bleeding, allergic reactions, or other side effects arise than aspirin is great for headache and pain relief and may even prevent strokes or heart attacks. Hopefully you found this useful and not baised... I am niether trying to promote the drug or telling you to avoid it... Just informing my fellow "Yahoo Answerer". GL
1086476
The capsule is there to ensure that the medicine inside is only released when the gelatin is dissolved by the stomach's hydrochloric acid. Aspirin thins the blood and hence does not require a hard gelatin capsule because it is released in the bloodstream, not in the stomach.
403099
Aspirin\n\nOnly its acetylsalicylic acid
42302
I wouldn't take it without talking to your doctor first.\n\nSmall (81mg) doses of aspirin have some positive affects on heart disease patients.  It has also been used as preventative therapy.  But again, I'd check with the doc first.
764494
Let’s see:\nParacetamol is an analgesic antipyretic meanwhile Aspirin is an analgesic, antipyretic and anti-inflammatory. There’re 3 substances in the cells of the body called COX-1 COX-2 and COX-3 enzymes (COX-3 is not well known today) \nWhen COX-1 is active provoke augmentation fo mucocus production in the stomach which protects it from acid damage.\nWhen COX-2 is active provoke pain, swelling and fever (what we are interested in) but also bronchial constriction. \nWhen COX-3 is active provoke pain and fever.\nParacetamol works blocking COX-3 enzyme and Aspirin works blocking COX-1 and COX-2.
996074
aspirin comes first\n\nin the dictionary
635995
Based on your question, I assume you are taking a baby aspirin for heart health. Unless you have any clotting disorders that contraindicate aspirin, it is perfectly safe...and certainly safe to take it with Co-Enzyme Q10.
832800
Within reason, say 10deg to 99deg, there's no difference in the chemical reaction, just in the SPEED of reaction.  Fundamentally, what's happening when you put an Alka Seltzer tablet in water is: acetyl salicylic acid + sodium bicarbonate -> sodium acetyl salicylate + carbon dioxide + water.  The reaction progresses more rapidly in warm water than cold water, so you see more CO2 bubbles and the tablet dissolves more quickly.  \n\nBy the way, sodium acetyl salicylate is soluble in water, but as soon as it hits the HCl in your stomach, it reverts to insoluble aspirin.