The side-effects of a drug are the effects, usually bad ones, that the drug has on you in addition to its function of curing illness or pain.
The treatment has some unpleasant side-effects including skin rashes and headaches.
Most patients suffer no side-effects.
2. countable noun
A side-effectof a situation is something unplanned and usually unpleasant that happens in addition to the main effects of that situation.
One side effect of modern life is stress. [+ of]
An ability to understand and appreciate other cultures often has the welcome side-effectof making us less judgemental.
Synonyms: spin-off, result, consequence, outcome More Synonyms of side effect
side effect in British English
noun
1.
any unwanted nontherapeutic effect caused by a drug
Compare aftereffect (sense 2)
2.
any secondary effect, esp an undesirable one
side effect in the Pharmaceutical Industry
(saɪd ɪfɛkt)
Word forms: (regular plural) side effects
noun
(Pharmaceutical: Physiology)
A side effect is any reaction to a medication in addition to its therapeutic effects.
It is an effective analgesic but the side effects include nausea, tiredness, and dizziness.
All medicines can have unwanted side effects, from mild drowsiness to severe allergic reactions.
A side effect is any reaction to a medication in addition to its therapeutic effects.
Examples of 'side effect' in a sentence
side effect
One of the side effects of the drug is a runny nose.
Sanderson, Stephen K. Macrosociology: An Introduction to Human Societies (1995)
One of the side effects is memory loss.
Times, Sunday Times (2007)
That is one of the side effects of the decline in activism.
Times, Sunday Times (2006)
Those shot will not normally suffer any adverse side effects.
Times, Sunday Times (2012)
She does not seem to suffer any side effects.
Times, Sunday Times (2007)
But research shows two fifths of patients could suffer some side effects.
The Sun (2010)
In our research we have come across a number of people suffering side effects from using the regular powders available.
Lashford, Stephanie The Residue Report - an action plan for safer food (1988)
This is one side effect of increased equality we really don't want to see.
Times, Sunday Times (2008)
Most people don't suffer side effects.
Times, Sunday Times (2006)
But understandably many people don't like taking medication and quite a few suffer side effects.
The Sun (2013)
This research reflects the uncertainty that exists over which age groups could benefit from taking regular aspirin and who might suffer serious side effects.
Times, Sunday Times (2014)
They were no better than nicotine patches at helping people kick the habit - but users were more likely to suffer side effects.
The Sun (2015)
Thankfully, most side effects you'll suffer are less dramatic.
The Sun (2010)
But as a side effect, he suffers from epilepsy, which is controlled with daily drugs.
The Sun (2016)
No wonder another side-effect of these drugs is yawning.
The Sun (2015)
The project has also had at least one unexpected side-effect.
Times, Sunday Times (2014)
This does not have the unpleasant side-effects of other treatments.
Times, Sunday Times (2007)
One side-effect of the housing downturn has been the the proliferation in glossy volumes on gorgeous homes.
Times, Sunday Times (2009)
Experts said that the drug had few side-effects.
Times, Sunday Times (2013)
That is one of the side-effects of having so many good players.
Times, Sunday Times (2014)
They may also produce unpleasant side-effects or possible allergic reactions.
MacEoin, Beth Healthy By Nature (1994)
All slimming drugs have adverse side-effects that are potentially harmful to your health.
Colette Harris, With Theresa Cheung PCOS DIET BOOK: How you can use the nutritional approach to deal with polycysticovary syndrome (2002)
Their side-effects were unpleasant and justified only by the fact that the alternative was death.
Times, Sunday Times (2006)
The impact they have on local retailers is an unpleasant but unintended side-effect.
Times, Sunday Times (2010)
They will help you get over any possible unpleasant side-effects more easily and your immune system will work more efficiently.
Vera Peiffer POSITIVE THINKING: Everything you have always known about positive thinking but wereafraid to put into practice (2001)
One of the side-effects can be a dry mouth which may contribute to the chance of tooth decay or gum disease.
Martlew, Gillian & Silver, Shelley (ed) The Medicine Chest - your family's guide to prescription drugs (1988)
No effective drugs are without side-effects but the benefits of the treatment have to be assessed and may outweigh the risk.
Times, Sunday Times (2006)
But it has one positive side-effect.
Times, Sunday Times (2007)
But it can cause unpleasant side-effects.
Times, Sunday Times (2006)
This can be caused by dental problems, some illnesses and medication side-effects.
The Sun (2011)
This has brought the cancer down, but has resulted in a lot of bad side-effects.
Times, Sunday Times (2009)
Yet one of the side-effects of independence was that age-old ethnic disputes could now bubble over.
Times, Sunday Times (2012)
One side-effect of the credit crisis is forecast to be bumper bargains on the high street for anyone with spare cash and few or no borrowings.
Times, Sunday Times (2008)
It can be induced as a side-effect of drugs, or after a brain injury.
Times, Sunday Times (2008)
That's one of the side-effects with stopping breathing.
The Sun (2012)
All drugs have potential side-effects.
The Sun (2011)
Since one side-effect of the pills was extreme irritability, my floating calm quickly gave way to anger.
Christianity Today (2000)
In other languages
side-effect
British English: side effect /saɪd ɪˈfɛkt/ NOUN
The side effects of a drug are the effects, usually bad ones, that the drug has on you in addition to its job of curing illness or pain.
The treatment has several unpleasant side effects.