EXACERBATION of side effects. You get double the side effects of sleepiness, dullness, dry mouth and impaired judgement. It is better to take an antihistamine alone or a cold medication preparation, which contains this. Do not take both. Also, take it at bedtime, so that it would help by causing sleepiness.
Answer:
it increases the heart rate of the individual that gets tired while exercising.
Explanation:
It's a catalytic converter
Symptoms may worsen, and the illness may progress. This could result in a less positive outcome for the patient; example: longer recovery process, terminal/chronic illness, or even longer term, death.