One of the worst side effects of medications is severe allergic reactions like anaphylaxis and even major organ damage such as kidney failure or liver failure, which can occur from even common medications like NSAIDs or acetaminophen.
The types of serious side effects of medications include:
Severe Allergic Reactions which include, conditions like anaphylaxis, hives, facial or throat swelling, and severe skin disorders like Stevens-Johnson syndrome (SJS).
Internal Bleeding, which is often triggered by blood thinners (like warfarin or rivaroxaban) or chronic NSAID use, leading to gastrointestinal or urinary bleeding.
Organ Damage which includes, acute liver or kidney failure associated with high doses or interactions of pain relievers, antibiotics, or chemotherapy drugs.
Neuropsychiatric Reactions which include having and experiencing severe confusion, suicidal ideation, hallucinations, or sleep-related behaviors caused by certain antidepressants, sleep aids, or asthma medications like montelukast.
Three common side effects when taking medications are drowsiness or fatigue, dry mouth and upset stomach or nausea.
The actual side effects that you may experience when taking medication will also depend on your tolerance and the medication you're taking.
Not everyone experiences the same side effects with the same medications and some people don't experience side effects with some medications.
For example, the possible side effects of Tylenol also known as acetaminophen are nausea or upset stomach, headache, although rare, because Tylenol is very often used in treating headaches and skin rash or itching can also occur, due to allergic or sensitivity reactions.
However when Tylenol is taken at the recommended dosages, it's generally safe and most people experience no side effects when taking Tylenol at all.
But when people do experience side effects when taking Tylenol they are often mild.
While the standard side effects of Tylenol are often mild and uncommon, taking more than the recommended dose of Tylenol or if you combine Tylenol with alcohol, it can lead to serious liver damage and even liver failure.
Side effects when taking medications are unwanted or unexpected secondary reactions that occur in addition to the main, intended effect of a medication.
Key Facts About Side Effects when taking medication include:
The side effects of medications can range from mild and temporary (such as drowsiness, dry mouth, or a minor upset stomach) to serious and life-threatening (such as severe allergic reactions or internal bleeding).
The medication side effects also often show up when you first start a new prescription or over-the-counter drug, when your dose is changed, or when you stop taking the medication.
Not everyone gets side effects from taking medication or gets the same side effects.
How a drug affects you depends on your age, weight, overall health, and any other medications, supplements, or foods you are taking at the same time.
Side Effects vs. Allergies:
A side effect is a physiological response to how the drug acts in the body, whereas a drug allergy involves your immune system and can cause hives, severe itching, or trouble breathing (anaphylaxis).