SIDE EFFECTS: May cause drowsiness, dizziness, headache, loss of appetite, stomach upset, vision changes, irritability, dry mouth and nose. These effects should subside as your body adjusts to the medication. If they persist or become bothersome, inform your doctor. Notify your doctor if you develop: breathing difficulties, pounding or irregular heartbeat, ringing in the ears, difficulty urinating. If you notice other effects not listed above, contact your doctor or pharmacist.
PRECAUTIONS: Tell your doctor your medical history, especially of: glaucoma (narrow angle), stomach ulcers, difficulty urinating (e.g., enlarged prostate), heart disease, high blood pressure, seizures, lung problems, overactive thyroid. Change from a seated or lying position slowly to avoid dizziness. Use caution in performing activities requiring alertness. Limit alcohol intake to avoid excessive drowsiness. Caution is advised when using this drug in the elderly because they may be more sensitive to the effects of the drug. Do not give long-acting antihistamines to a child younger than 12 years of age nor other dose forms of antihistamines to a child younger than 6 years of age without doctor approval. This drug should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. This medication may be excreted into breast milk. Consult your doctor before breast-feeding.
DRUG INTERACTIONS: Tell your doctor of all the medications you may use (both prescription and nonprescription), especially of: sleeping pills, sedatives, tranquilizers, muscle relaxants, medication for depression, seizure medications, narcotic pain relievers, other medications for colds/hay fever/allergies. Because this medication may affect allergy testing, you may have to stop using this medication for several days before the tests are performed. Consult your doctor about this. Do not start or stop any medicine without doctor or pharmacist approval.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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