Before Using

Drug information provided by: Merative, Micromedex®

In deciding to use a vaccine, the risks of taking the vaccine must be weighed against the good it will do. This is a decision you and your doctor will make. For this vaccine, the following should be considered:

Allergies

Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Pediatric

Appropriate studies have not been performed on the relationship of age to the effects of influenza virus vaccine, H1N1 in the pediatric population. Safety and efficacy have not been established.

Appropriate studies have not been performed on the relationship of age to the effects of influenza virus vaccine, H1N1 in children below 4 years of age. Safety and efficacy have not been established.

Appropriate studies have not been performed on the relationship of age to the effects of influenza virus vaccine, H1N1 in children below 6 months of age. Safety and efficacy have not been established.

Geriatric

Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of influenza virus vaccine, H1N1 in the elderly.

Drug Interactions

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.

Other Interactions

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

Other Medical Problems

The presence of other medical problems may affect the use of this vaccine. Make sure you tell your doctor if you have any other medical problems, especially:

  • Allergy to eggs, egg products, or chicken products, history of—Should not be used in patients with these conditions.
  • Guillain-Barré syndrome, history of—May cause the symptoms of this condition to return.
  • Immune system problems (e.g., cancer, HIV)—This vaccine may not work as well if you have weak immune system.

Portions of this document last updated: Feb. 01, 2024

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