Omalizumab is an antibody that helps decrease allergic responses in the body.
Omalizumab is used to treat moderate to severe asthma that is caused by allergies in adults and children who are at least 12 years old. Omalizumab is not a rescue medicine for treating an asthma attack.
Omalizumab is also used to treat chronic hives (idiopathic urticaria) in adults and children who are at least 12 years old.
Omalizumab is usually given after other medicines have been tried without success.
difficulty with swallowing
hives, itching, or skin rash
puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
tightness in the chest
unusual tiredness or weakness
Some omalizumab side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them:
body aches or pain
cold or flu-like symptoms
discoloration of the skin
dryness or soreness of the throat
feeling of pressure
muscle or joint pain
pain or tenderness around the eyes and cheekbones
stuffy or runny nose
tender, swollen glands in the neck
blistering, crusting, irritation, itching, or reddening of the skin
body produces substance that can bind to drug making it less effective or cause side effects
cracked, dry, or scaly skin
(subcutaneous powder for injection)