But
even rare side effects can be important when drugs are aggressively used.
Not exact matches
While it is
rare,
side effects can also appear weeks, months or
even years after the initial injection.
Though seen as the gold standard of medical research, such studies —
even ones involving thousands of participants — may be too small to ferret out
rare risk factors or
side effects.
Furberg says, «If only one in a thousand patients will die from a heart attack, an efficacy study of 200 or
even 2,000 patients is simply too small to get a reliable answer about
rare side effects.»
The penicillin - based antibiotics used to treat the infection can also cause
side effects such as stomach upsets, rashes and
even hepatitis in some
rare cases.
Though
rare, statin
side -
effects may include short - and long - term memory loss, behavioral changes, impaired concentration and attention, paranoia, and anxiety, as early as five days after starting the drugs, but sometimes
even months later, though folks should recover within a month of stopping the drugs.
Some of these
side effects, in
rare situations, may be serious, resulting in hospitalization, or
even death.
Some dogs have
even experienced more serious
side effects, like liver failure, kidney failure, intestinal and stomach perforations, ulcers and in
rare cases,
even death.