Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
side effect of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "side effect of" is correct and usable in written English.
It is typically used in medical or scientific contexts to describe an unintended consequence or secondary effect of a treatment or medication. Example: "One common side effect of this medication is drowsiness, which may affect your ability to drive."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(5)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
54 human-written examples
Perhaps it's a side effect of parenthood.
News & Media
That is an unfortunate side effect of the change.
News & Media
The chief side effect of overcapacity is heat.
News & Media
"It's a side effect of the 21st century".
News & Media
Being broke is another side effect of endometriosis, Freedman says.
News & Media
Hair loss is the most visible side effect of chemotherapy.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
6 human-written examples
That's a welcome side-effect of Twilight".
News & Media
But it's also a side-effect of cocaine use.
News & Media
Konzo is but a single side-effect of global malnutrition.
News & Media
Nevertheless, information on side-effect of medications is essential.
Science
Cytotoxicity is a widely recognized side-effect of BCNU (49).
Expert writing Tips
Best practice
In scientific writing, quantify the probability and severity of the "side effect of" when possible to provide a comprehensive risk assessment.
Common error
Avoid attributing an effect as a "side effect of" something if there's no direct causal link established. Ensure a clear relationship between the cause and the observed outcome.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "side effect of" functions primarily as a noun phrase followed by a preposition, used to describe an unintended or secondary consequence resulting from a particular action, treatment, or condition. Ludwig's examples show its frequent use in medical and general contexts.
Frequent in
News & Media
47%
Science
42%
Wiki
8%
Less common in
Formal & Business
1%
Academia
1%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "side effect of" is a very common and grammatically correct construction used to describe unintended consequences, especially in medical and scientific contexts. Ludwig AI confirms its acceptability and widespread usage. While often associated with negative outcomes, it can also denote positive or neutral secondary effects. When writing, ensure a clear causal link and consider the potential nuances when choosing alternatives like "consequence of" or "byproduct of". Understanding the context is key to employing this phrase effectively.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
secondary effect of
Directly mirrors the structure but uses 'secondary' instead of 'side'.
consequence of
Replaces "side effect" with a more general term for a result or outcome.
result of
Similar to 'consequence', but focuses on the outcome or product of something.
outcome of
Emphasizes the final result or effect of a process or event.
byproduct of
Suggests an incidental or secondary result produced during a process.
ramification of
Implies a complex or far-reaching consequence.
aftermath of
Highlights the events or consequences that follow a significant event.
repercussion of
Focuses on the impact or consequence, often negative, that arises from an action or event.
upshot of
Refers to the final or eventual result; often used in summarizing a discussion.
unintended consequence of
Specifically indicates that the effect was not planned or expected.
FAQs
How can I use "side effect of" in a sentence?
You can use "side effect of" to describe unintended consequences, especially in medical or scientific contexts. For instance, "Drowsiness is a common "side effect of" this medication".
What are some alternatives to "side effect of"?
Alternatives include "consequence of", "result of", or "byproduct of", depending on the specific nuance you want to convey.
Is it always negative when referring to a "side effect of" something?
While often associated with negative or undesirable outcomes, "side effect of" can also refer to positive or neutral consequences. It simply denotes an effect that is secondary or not the primary intention.
How does "side effect of" differ from "direct effect of"?
"Side effect of" indicates an indirect or secondary result, whereas "direct effect of" describes a primary and intended outcome. Understanding this distinction is crucial for clarity in communication.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested