Aspirin Side Effects, How it Works, Upsides, Downsides & Tips

Aspirin is a salicylate. This medication is a non-steroidal anti-inflammatory drug (NSAID). It blocks a certain substance in the human body, thereby reducing pain and swelling. Before giving it to a child younger than 12 years, consult your healthcare provider.


Aspirin is used in the treatment of the following:

  • In the reduction of fever
  • Reduction in pain and swelling in arthritis
  • Muscle aches
  • Toothaches
  • Common cold
  • Headaches


Your healthcare provider may ask you to take aspirin as a way to prevent clots, reducing the risk of heart attacks and strokes. If you had the following surgeries recently, your doctor might prescribe aspirin as a blood thinner to you:

  • Bypass surgery
  • Carotid endarterectomy
  • Coronary stent


Side Effects

If you are using Aspirin with consultation from your doctor, then you should keep the fact in mind that he has weighed the pros and cons of the medicine before prescribing them to you.

Minor Side Effects

There are a few side effects of using Aspirin. Depending on their severity, they may not even need medical attention. Since it is new for the body, it will take some time to adjust to Aspirin, and these side effects will go after some time naturally. These include:

  • Upset stomach
  • Heartburn

If these side effects become constant, inform your doctor about the condition immediately.


Serious Side Effects

If you experience any of the following, get medical attention immediately:

  • Easy bruising
  • Difficulty hearing
  • Ringing in the ears
  • Signs of kidney problems
  • Change in the amount of urine
  • Severe nausea
  • Unexplained tiredness
  • Dizziness
  • Dark urine
  • Yellowing eyes

It is rare that you get a severe allergic reaction to Aspirin such as difficulty in breathing or swelling of the tongue, throat or face due to this drug. However, if such is the case, you should call for medical assistance.


How to use

If you are self-treating yourself with this medication, make sure to follow all the instructions on the packaging. Ask your pharmacist if unsure. If this has been prescribed by your doctor, take it in the way you were instructed to.

This medication is to be taken orally, with a glass of water. You can take it with food or milk if your stomach feels upset.


Do not chew the capsules or the extended-release tablets. Swallow them whole. The amount of medication and the period of treatment depends on your medical condition, your age and the response to the treatment. If your condition becomes worse, or you do not feel and see any improvement in your condition, consult your doctor.




If you are allergic to Aspirin or if you have any other kind of allergies, it is better to inform your healthcare provider before taking Aspirin. There can be some inactive ingredients in Aspirin which may also cause allergic reactions. To know more details, you should talk to your doctor.

If you have the following medical conditions, then aspirin should not be taken:

  • Blood-clotting disorders
  • Hemophilia
  • Vitamin K deficiency
  • Low platelet count


Having knowledge about your prior medical illnesses is very important. If you have suffered from the following in the past or under treatment for the following, your doctor should know beforehand:

  • Kidney disease
  • Liver disease
  • Diabetes
  • Stomach problems
  • Ulcers
  • Heartburn
  • Stomach pain
  • Aspirin-sensitive asthma
  • Gout
  • Pyruvate kinase or G6PD deficiency

Aspirin may cause bleeding in the stomach, and this risk is increased if alcohol is consumed, so limit your alcohol intake.

Children less than the age of 18 should not take aspirin if they are suffering from chickenpox, flu or have been vaccinated in the past few days.

If you are pregnant or you are breastfeeding, you should discuss the pros and cons of taking this medication with your doctor.