Aspirin: Uses, Forms, Dosage and Side Effects.

Aspirin comes under the category of Non-steroidal Anti-inflammatory Drug (NSAID) that is used to treat minor aches. The chemical name of Aspirin acetylsalicylic acid. It is also prescribed to lower human body temperature in case of fever.

It is an over the counter medicine that you can get from a pharmacy by showing a doctor’s prescription.

Forms of Asprin:

Aspirin comes in two dosage forms. One is oral drug, and the other one is rectal. The oral drug can be of three types:

  1. Extended-release Aspirin tablets (enteric coated)
  2. Immediate release Aspirin tablets.
  3. Suspension.

The rectal drug comes in the form of rectal suppositories.


Aspirin is used to treat minor aches such as headache, toothache, muscular pain or menstrual pain.

It is taken after meals.

It can work as an anti-inflammatory medicine for people who have arthritis since it reduces swelling alongside pain.

Some people take Aspirin to prevent cardiovascular diseases such as angina or strokes because it works as a blood thinner.

Aspirin can be used for treating migraine patients who show photophobia (sensitivity to light)

Doctors prescribe Aspirin to people who have symptoms of phonophobia (sensitivity for sounds).


Usual adult dosage for pain is 300 mg to 650 mg taken every 4 to 6 hours.

For fever, the usual dosage is the same as for pain management with a maximum limit of 4 gram per day.

The preventive usage of Aspirin is against heart attacks. The dosage for this purpose can be of two types. One is immediate release, and the other one is extended-release medicine. 160 to 162.5 mg tablets work in case of immediate release medicine to prevent a heart attack.

After a heart attack, the extended-release medicine usually doesn’t work. For this scenario, an immediate release drug should be administered in the prescribed doses for 30 days.


When taking the extended-release medicine, make sure you do not break it to pieces because it will affect the absorption of the drug in the body.

The extended-release medicine is film-coated, and its film disintegrates on breakage. This alters the time of the drug to be active in the body.

The suspension of Aspirin should be taken with a fruit juice accompanied by a glass of water.

The suppositories if too soft after opening the foil wrap should be refrigerated for 30 minutes and then administered through the rectum.

Make sure to take rest of 15 to 30 minutes after taking medicine to prevent irritation of the throat.

Aspirin should not be prescribed to patients of hemophilia and people with low platelet counts because it works for platelet aggregation in the blood and can cause clotting.

Keep it out of the reach of children. This medicine is the leading cause of poisoning and death due to over-dosage in children.

Side Effects:

The common side effects of Aspirin include heartburn, abdominal discomfort, nausea, cramping, drowsiness and an upset stomach.

The uncommon side effects include gastrointestinal bleeding in the people who are using it for long periods and who use alcohol heavily.