What are the dosage recommendations for antihistamines?

Stacy Wiegman, PharmD

Pharmacy

Because there are so many different types and combinations of antihistamines, there also are many different dosage recommendations. You should follow the directions of your doctor and those printed on the medication container. Since you may become drowsy after you take a dose, you should not drive or operate machinery until you know how if affects you..

Continue Learning about Nasal Agent

Donna Hill Howes, RN

Cromolyn nasal spray (NasalCrom) reduces allergy symptoms by preventing cells in the air passages fr...

Univ. of Nev. School of Medicine, Family Medicine

Antihistamine nasal sprays place the antihistamine in the nasal passages and the sinuses. As an anti...

Donna Hill Howes, RN

It is not known if cromolyn is safe or effective for children and adolescents under 18 years of age....

Dr. Jeanne Morrison, PhD

Oral antihistamines can help relieve environmental allergies, but like all drugs, they can have side...

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.