Common uses

This medicine is an antihistamine used to treat the symptoms of hay fever and other allergic conditions such as watery eyes, runny nose (rhinitis), itching eyes, and sneezing. It may also be used to treat hives.

Before using

Inform your doctor or pharmacist of all prescription and over-the-counter medicine that you are taking. Inform your doctor of any other medical conditions including kidney disease, liver disease, any allergies, pregnancy, or breast-feeding.

Directions

Follow the directions for using this medicine provided by your doctor. This medicine may be taken on an empty stomach or with food. Store this medicine at room temperature in a tightly closed container, away from heat and moisture. If you miss a dose of this medicine and you are using it regularly, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Cautions

Before you begin taking any new medicine, either prescription or over-the-counter, check with your doctor or pharmacist. Do not exceed the recommended dose or take this medicine more often than directed. Do not take this medicine for several days before allergy testing since test results can be affected. Caution should be used in the elderly since they may be more sensitive to the effects of this drug.

For women: if you plan on becoming pregnant, discuss with your doctor the benefits and risks of using this medicine during pregnancy. This medicine is excreted in breast milk. Do not breast-feed while taking this medicine.

Possible side effects

Side effects, that may go away during treatment, include headache, dry mouth, dry nose, hoarseness, and fatigue. If they continue or are bothersome, check with your doctor. Contact your doctor immediately if you develop a rapid or pounding heartbeat, dizziness, diarrhea, nervousness, wheezing, stomach pain, unusual weakness, or hyperactivity while taking this medicine. An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash, itching, swelling, severe dizziness, or trouble breathing.

This medicine does not usually cause drowsiness when used at recommended doses and under normal circumstances. However, use caution before engaging in activities that require alertness until you know how you react to this medicine. If you notice any unusual effects, check with your doctor, nurse, or pharmacist.

If you take too much

If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include unusual drowsiness, headache, and fast heartbeat.

Additional information

If your symptoms do not improve or if they become worse, contact your doctor. Do not share this medicine with others for whom it was not prescribed. Do not use this medicine for other health conditions. Keep this medicine out of the reach of children and pets. If using this medicine for an extended period of time, obtain refills before your supply runs out.

Drug interactions

Drug interactions can result in unwanted side effects or prevent a medicine from doing its job. Some medicines or medical conditions may interact with this medicine. Inform your doctor or pharmacist of all prescription and over-the-counter medicine that you are taking.