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Is it OK to take expired allergy medicine?
It may be fine to take an allergy medication that’s a month past its expiration date. But there is some risk in taking a heart rhythm medication that, if ineffective, could lead to an unstable and dangerous heart problem.
How long will Zyrtec last?
The onset of effect occurs within 20 minutes in 50% of people and within an hour in 95%. Effects persist for at least 24 hours following a single dose of Zyrtec.
How long can Zyrtec be kept after opening?
Even if there’s not, the medication should still be good after six months. Unopened in the original packaging, the medication is good for up to about three years, and opening the package shortens the shelf life, but not so much that it wouldn’t be good after six months.
Can you become immune to Zyrtec?
Antihistamines are another popular choice for treating allergies. Fortunately, studies have shown that people do not build up resistance to these drugs.
What are the long term side effects of taking Zyrtec?
Dizziness.
How long is Zyrtec good after expiration date?
Allergy medicine like Claritin, Zyrtec, and other antihistamine tablets typically expire after about two years. Allergy medicine expires, but it may still be effective for up to two or more years after the expiration date.
Can Zyrtec be taken daily?
Can be taken once a day. May be given daily on a regular basis when allergens are most prevalent (such as during spring or summer). Zyrtec does not appear to interact with many drugs (theophylline slightly decreased the clearance of Zyrtec). Zyrtec has been demonstrated to be safe in children older than 6 months.
Is it safe to take Zyrtec at night?
Taking Claritin In The Morning And Zyrtec At Night. If you are taking the Zytrec to aid in falling asleep (as it can cause drowsiness), I would recommend taking 10mg in the evening to cover the entire next 24 hours. Drowsiness from Zyrtec generally occurs closer to the time you take the medication versus later in the day.