4 doctors weighed in:

How long does an alavert allergy usually last?

4 doctors weighed in
Dr. Jack Mutnick
Internal Medicine - Allergy & Immunology
1 doctor agrees

In brief: Variable

It all depends.
What were the allergic symptoms....Skin, breathing, GI tract, cardiac. Usually an allergic reaction can be between 2 hours to 7 days based on the reaction and many other factors.

In brief: Variable

It all depends.
What were the allergic symptoms....Skin, breathing, GI tract, cardiac. Usually an allergic reaction can be between 2 hours to 7 days based on the reaction and many other factors.
Dr. Jack Mutnick
Dr. Jack Mutnick
Thank
Dr. Stephen Kimura
Internal Medicine - Allergy & Immunology
1 doctor agrees

In brief: 24 hours

Alavert is approved as a once daily antihistamine.

In brief: 24 hours

Alavert is approved as a once daily antihistamine.
Dr. Stephen Kimura
Dr. Stephen Kimura
Thank
Get help from a real doctor now
Dr. Steven Seres
Board Certified, Internal Medicine
17 years in practice
497K people helped
Continue
108,000 doctors available
Read more answers from doctors