Phenindamine (By mouth)
Treats runny nose and itchy, watery eyes that are caused by hay fever or the common cold. This medicine is an antihistamine.
Brand Name(s):There may be other brand names for this medicine.
When This Medicine Should Not Be Used:You should not use this medicine if you have had an allergic reaction to phenindamine, or if you are having an asthma attack. You should not use this medicine if you have narrow-angle glaucoma, a stomach ulcer, or if you are unable to urinate. Do not use this medicine if you have taken an MAO inhibitor (MAOI) such as Eldepryl®, Marplan®, Nardil®, or Parnate® within the past 14 days.
How to Use This Medicine:
- Take your medicine as directed.
- Follow the instructions on the medicine label if you are using this medicine without a prescription.
- You may take this medicine with food if it upsets your stomach.
If a dose is missed:
- Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.
How to Store and Dispose of This Medicine:
- Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
- Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
Drugs and Foods to Avoid:
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Tell your doctor if you use anything else that makes you sleepy. Some examples are allergy medicine, narcotic pain medicine, and alcohol.
Warnings While Using This Medicine:
- Make sure your doctor knows if you are pregnant or breast feeding. You should not breast feed while you are using this medicine.
- Tell your doctor if you have asthma, glaucoma, heart disease, high blood pressure, an overactive thyroid, a history of stomach ulcers, or an enlarged prostate.
- Your doctor should know about any allergies you have.
- This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
Possible Side Effects While Using This Medicine:
Call your doctor right away if you notice any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Problems with speech or walking.
- Problems with urination.
- Seizure or hallucinations.
- Tremors, shaking, or muscle movement that you cannot control (often in your tongue or eyes).
- Severe confusion, weakness, lightheadedness or fainting.
- Unusual behavior.
If you notice these less serious side effects, talk with your doctor:
- Dry mouth, nose, or throat.
- Feeling excited or irritable.
- Thickened mucus in your throat or nose.
If you notice other side effects that you think are caused by this medicine, tell your doctor
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088
Last Updated: 11/4/2014
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