Can I take 2 different allergy pills?
James Austin
Updated on March 04, 2026
Can I take 2 different allergy pills?
Most allergy medicines should not be combined with one another, according to Dr. Susan Besser, a primary care provider at Mercy Medical Center in Baltimore, Maryland. “You should not take multiple oral antihistamines together, such as Benadryl, Claritin, Zyrtec, Allegra or Xyzal. Pick one and take it daily.
Can I take 2 allergy pills a day?
As well as taking a non-drowsy antihistamine like loratadine during the day, your doctor may tell you to take a sedating antihistamine at night if the itching is making it difficult to sleep. Do not take 2 antihistamines together unless recommended by your doctor.
Can you take a Zyrtec and Claritin at the same time?
No interactions were found between Claritin and Zyrtec. This does not necessarily mean no interactions exist. Always consult your healthcare provider.
Can you take fexofenadine and cetirizine together?
No interactions were found between cetirizine and fexofenadine. This does not necessarily mean no interactions exist. Always consult your healthcare provider.
What happens if I take two Allegra?
Fexofenadine is generally very safe. Taking more than your usual dose is unlikely to harm you. If you take an extra dose, you might get some of the common side effects. If this happens or you’re concerned, contact your doctor.
What if I accidentally took 2 Allegra?
If a healthy adult takes only a slightly higher dose of antihistamine, such as accidentally taking two pills instead of one, their symptoms may not be serious, or they may not have any symptoms. However, a larger overdose, especially in children or older adults, may cause serious symptoms.
Can I take Zyrtec twice a day?
The usual dosage for adults younger than 65 years and children who are 6 years and older is one 10-milligram (mg) dose per day. You shouldn’t take more than 10 mg in 24 hours. Your doctor may recommend a 5-mg dose once or twice per day if your allergies are mild.
Should I switch from Zyrtec to Allegra?
Studies show both drugs to be better than placebo and various evidence shows that Allegra and Zyrtec are equally effective, or that Zyrtec may be slightly better. However, side effects vary as well and should be taken into consideration when selecting an allergy medication.
Do Allegra and Zyrtec work the same?
Allegra works within two hours and Zyrtec works within one hour. Several studies have found cetirizine (Zyrtec) to be more effective than fexofenadine (Allegra) at relieving symptoms of allergic rhinitis and urticaria, and it appears to have a longer duration of action.
What happens if you accidentally take two Zyrtec?
There have been reports of patients taking 15-18 times the recommended dose of Zyrtec (recommended dose is 10 mg) and having some adverse effects (restlessness, irritability, somnolence). Taking two 10mg tablets should not cause you to have any serious problems.
Can you take Allegra 180 mg twice a day?
Typical dosing for Allegra (fexofenadine) Don’t take more than 2 tablets a day. 24-hour tablet: The typical dose is one tablet (180 mg) with water once a day. Don’t take more than one tablet a day.
What happens if I take two Zyrtec?
Can you take claritan and Allegra at the same time?
Not necessary: Both Allegra (fexofenadine) and Claritin (loratadine) are new generation antihistamines. There is no particular advantage to taking both together. On the other hand, there is probably no harm either. If symptoms are not controlled with antihistamines, see your doctor to confirm your diagnosis and get appropriate treatment.
Can I take Allegra and Lexapro?
No, Lexapro is not Fexofenadine, it’s Escitalopram . Lexapro is an SSRI and Allegra is an antihistamine. You definitely cannot overdose from taking both, but it is still possible for them to negatively interact with each other.
Can I take my medications with Allegra?
Most antihistamines are generally safe to take with your blood pressure medication. However, keep in mind the following drug interactions if you are taking medication for your blood pressure: fexofenadine (Allegra): Carvedilol (Coreg) may increase the effects of fexofenadine. Use fexofenadine cautiously if you are taking carvedilol.
Can you take Allegra and Claritin in the same day?
Official Answer. If your allergy is particularly bad then yes you can take them on the same day, as there are no known interactions. This is a therapeutic duplication and it is usually recommended to take only one antihistamine at any time, however if you have been prescribed to take both together then it is appropriate.